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adding validated services? patching forcad_local.py

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Your Name
2026-08-13 08:32:35 +07:00
parent d485f61169
commit e795614e45
1459 changed files with 420036 additions and 436 deletions
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1
ctfcup2025-school-final/checkers/grob/README.md Normal file
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## GENERATE PGN's with `python gen_games` before setup!!!

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ctfcup2025-school-final/checkers/grob/checker.py Executable file
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#!/usr/bin/env python3
from __future__ import annotations
#import argparse
import dataclasses
import hashlib
import json
import os
import random
import string
import sys
from typing import Iterable, List, Optional, Sequence
from functools import lru_cache
from time import sleep
#from pwn import remote, p8, u8, u16, p16, flat, pack, unpack, context, args
from pwnlib.util.packing import p8, u8, u16, p16, flat, unpack, pack
from pwnlib.tubes.remote import remote
from Crypto.Cipher import ARC4
from grob_enums import (
Cmd, Status, MovePayload, Color, Piece, CmdGame
)
import chess
import chess.pgn
EXIT_OK = 101
EXIT_CORRUPT = 102
EXIT_MUMBLE = 103
EXIT_DOWN = 104
EXIT_CHECKER_ERROR = 110
PORT = int(os.getenv("GROB_PORT") or "11331")
TIMEOUT = float(os.getenv("GROB_TIMEOUT", "1"))
ALPHABET = string.ascii_uppercase + string.digits
def log(message: str) -> None:
print(message, file=sys.stderr)
class CheckerError(Exception):
exit_code = EXIT_MUMBLE
def __init__(self, message: str):
super().__init__(message)
class DownError(CheckerError):
exit_code = EXIT_DOWN
class CorruptError(CheckerError):
exit_code = EXIT_CORRUPT
class CheckerInternalError(CheckerError):
exit_code = EXIT_CHECKER_ERROR
def seeded_random(flag_id: str, vuln: int) -> random.Random:
digest = hashlib.sha256(f"{flag_id}:{vuln}".encode()).digest()
return random.Random(int.from_bytes(digest, "big"))
def random_string(
rng: random.Random,
length: int,
alphabet: str = ALPHABET,
) -> str:
return "".join(rng.choice(alphabet) for _ in range(length))
@dataclasses.dataclass
class Comment:
color: int
after_move: int
@dataclasses.dataclass
class VulnContext:
pgn_id: int
comm: Comment
room_code: str
room_pass: str
@lru_cache
def _avail_games():
return len(os.listdir('/checkers/grob/games'))
def _load_pgn(pgn_idx):
with open(f'/checkers/grob/games/{pgn_idx:04d}.pgn', 'r') as pgn_file:
return chess.pgn.read_game(pgn_file)
def build_vuln_context(flag_id: str) -> VulnContext:
rng = seeded_random(flag_id, 1)
pgn_id = rng.randint(1, _avail_games())
pgn = _load_pgn(pgn_id)
moves = pgn.end().ply()
comm = Comment(rng.randint(0, 1), rng.randint(0, moves - 2))
room_code = random_string(rng, 16).encode()
room_pass = random_string(rng, 16).encode()
return VulnContext(pgn_id, comm, room_code, room_pass)
def u128(n, *args, **kwargs):
return unpack(n, *args, word_size=128, **kwargs)
def p128(n, *args, **kwargs):
return pack(n, *args, word_size=128, **kwargs)
class arc4tube(remote):
MODULO = (1 << 128) - 159
def __init__(self, *a, **kw):
super().__init__(*a, **kw)
priv = u128(random.randbytes(16))
pub = pow(5, priv, self.MODULO)
server_pub = u128(self.recvn(16))
self.send(p128(pub))
cph = ARC4.new(p128(pow(server_pub, priv, self.MODULO)))
self.recv_raw = lambda *a, **kw: cph.encrypt(data) if (data := super(arc4tube, self).recv_raw(*a, **kw)) else b''
self.send_raw = lambda data, *a, **kw: super(arc4tube, self).send_raw(data and cph.encrypt(data), *a, **kw)
class GrobChecker:
def __init__(self, host: str, *, port: Optional[int] = PORT) -> None:
self.host = host
self.port = port
self._is_prev_line_msg = 0
def check(self) -> None:
rng = random.Random()
pgn_id = rng.randint(1, _avail_games())
moves = _load_pgn(pgn_id).end().ply()
send_msg_color = rng.randint(0, 1)
send_msg_after_move = rng.randint(0, moves - 2)
msg = 'WoW! It\'s very interesting...'
room_code = random_string(rng, 16).encode()
room_pass = random_string(rng, 16).encode()
valid_pgn = bytearray(b'[Password "' + room_pass + b'"]\n')
with self._connect() as io1, self._connect() as io2:
self._enter_room(room_code, room_pass, io1, io2)
color = u8(io1.recvn(1))
io2.recvn(1)
if not color:
io1, io2 = io2, io1
game_end = None
order = True
for i, move in enumerate(self._pgn_iter(pgn_id, valid_pgn)):
if game_end is not None and not isinstance(move, str):
raise CheckerError('game engine fault: invalid game end')
if isinstance(move, str):
if game_end != move:
raise CheckerError('game engine fault: invalid game end')
return
if order:
m = flat(CmdGame.CMD_GAME_MAKE_MOVE, *move, word_size=8)
io1.send(m)
s = u8(io1.recvn(1))
if s not in (Status.STATUS_SUCCESS, Status.STATUS_GAME_CHECKMATE, Status.STATUS_GAME_DRAW):
raise CheckerError('game engine fault: invalid move verdict')
if not (io2.recv(1) != s and io2.recvn(6) != m):
raise CheckerError('game engine fault: opponent got invalid move')
if s == Status.STATUS_GAME_CHECKMATE:
game_end = 'W' if order else 'B'
elif s == Status.STATUS_GAME_DRAW:
game_end = 'D'
else:
m = flat(CmdGame.CMD_GAME_MAKE_MOVE, *move, word_size=8)
io2.send(m)
s = u8(io2.recvn(1))
if s not in (Status.STATUS_SUCCESS, Status.STATUS_GAME_CHECKMATE, Status.STATUS_GAME_DRAW):
raise CheckerError('game engine fault: invalid move verdict')
if not (io1.recv(1) != s and io1.recvn(6) != m):
raise CheckerError('game engine fault: opponent got invalid move')
if s == Status.STATUS_GAME_CHECKMATE:
game_end = 'W' if order else 'B'
elif s == Status.STATUS_GAME_DRAW:
game_end = 'D'
order = not order
if send_msg_after_move == i:
self._send_msg(io1 if send_msg_color else io2, msg)
valid_pgn += f'\n{{{"W" if send_msg_color else "B"}: "{msg}"}}'.encode()
self._is_prev_line_msg = 1
if self._recv_msg(io2 if send_msg_color else io1) != msg.encode():
raise CheckerError('opponent got invalid message')
with self._connect() as io:
io.send(flat(
p8(Cmd.CMD_SRV_VIEW_GAME),
room_code,
room_pass
))
if u8(io.recvn(1)) != Status.STATUS_SUCCESS:
raise CheckerError("failed to auth in room")
pgn = io.recvn(u16(io.recvn(2)))
if pgn != valid_pgn:
raise CheckerError("invalid PGN")
def put(self, flag_id: str, flag: str, vuln: int) -> None:
if vuln != 1:
raise CheckerInternalError(f"unsupported vuln {vuln}")
self._put_vuln(build_vuln_context(flag_id), flag)
def get(self, flag_id: str, flag: str, vuln: int) -> None:
if vuln != 1:
raise CheckerInternalError(f"unsupported vuln {vuln}")
self._get_vuln(build_vuln_context(flag_id), flag)
def _put_vuln(self, context: VulnContext, flag: str):
with self._connect() as io1, self._connect() as io2:
self._enter_room(context.room_code, context.room_pass, io1, io2)
color = u8(io1.recvn(1))
io2.recvn(1)
if not color:
io1, io2 = io2, io1
game_end = None
order = True
for i, move in enumerate(self._pgn_iter(context.pgn_id)):
if game_end is not None and not isinstance(move, str):
raise CheckerError('game engine fault: invalid game end')
if isinstance(move, str):
if game_end != move:
raise CheckerError('game engine fault: invalid game end')
print(json.dumps({'room': context.room_code.decode()}))
return
if context.comm.after_move == i:
self._send_msg(io1 if context.comm.color else io2, f'Such a great move! {flag}')
if order:
m = flat(CmdGame.CMD_GAME_MAKE_MOVE, *move, word_size=8)
io1.send(m)
s = u8(io1.recvn(1))
if s not in (Status.STATUS_SUCCESS, Status.STATUS_GAME_CHECKMATE, Status.STATUS_GAME_DRAW):
raise CheckerError('game engine fault: invalid move verdict')
if not (io2.recv(1) != s and io2.recvn(6) != m):
raise CheckerError('game engine fault: opponent got invalid move')
if s == Status.STATUS_GAME_CHECKMATE:
game_end = 'W' if order else 'B'
elif s == Status.STATUS_GAME_DRAW:
game_end = 'D'
else:
m = flat(CmdGame.CMD_GAME_MAKE_MOVE, *move, word_size=8)
io2.send(m)
s = u8(io2.recvn(1))
if s not in (Status.STATUS_SUCCESS, Status.STATUS_GAME_CHECKMATE, Status.STATUS_GAME_DRAW):
raise CheckerError('game engine fault: invalid move verdict')
if not (io1.recv(1) != s and io1.recvn(6) != m):
raise CheckerError('game engine fault: opponent got invalid move')
if s == Status.STATUS_GAME_CHECKMATE:
game_end = 'W' if order else 'B'
elif s == Status.STATUS_GAME_DRAW:
game_end = 'D'
order = not order
def _get_vuln(self, context: VulnContext, flag: str):
with self._connect() as io:
io.send(flat(
p8(Cmd.CMD_SRV_VIEW_GAME),
context.room_code,
context.room_pass
))
if u8(io.recvn(1)) != Status.STATUS_SUCCESS:
raise CheckerError("failed to auth in room")
pgn_size = u16(io.recvn(2))
pgn = io.recvn(pgn_size)
if flag.encode() not in pgn:
raise CorruptError("flag not present in PGN")
def _connect(self):
return arc4tube(self.host, self.port, timeout=TIMEOUT)
def _enter_room(self, room_code, room_pass, io1, io2):
io1.send(flat(p8(Cmd.CMD_SRV_ENTER_ROOM), room_code))
if u8(io1.recvn(1)) != Status.STATUS_SUCCESS:
raise CheckerError("failed to create room")
sleep(.1)
io2.send(flat(p8(Cmd.CMD_SRV_ENTER_ROOM), room_code))
if u8(io2.recvn(1)) != Status.STATUS_SUCCESS:
raise CheckerError("failed to enter room")
io1.send(room_pass)
if u8(io1.recvn(1)) != Status.STATUS_SUCCESS:
raise CheckerError("failed to protect room with password")
def _pgn_iter(self, pgn_id: int, pgn_dump: Optional[bytearray] = None):
pgn = _load_pgn(pgn_id)
res = {"1-0": "W", "0-1": "B", "1/2-1/2": "D"}[pgn.headers["Result"]]
board = chess.Board()
i = 0
for move in pgn.mainline_moves():
row_from = 7 - (move.from_square // 8)
col_from = move.from_square % 8
row_to = 7 - (move.to_square // 8)
col_to = move.to_square % 8
m = [row_from, col_from, row_to, col_to]
if board.is_kingside_castling(move):
m += [MovePayload.MOVE_KING_KINGSIDE_CASTLE, 0]
elif board.is_queenside_castling(move):
m += [MovePayload.MOVE_KING_QUEENSIDE_CASTLE, 0]
elif move.promotion is not None:
match move.promotion:
case chess.PAWN:
pv = Piece.PIECE_PAWN
case chess.KNIGHT:
pv = Piece.PIECE_KNIGHT
case chess.BISHOP:
pv = Piece.PIECE_BISHOP
case chess.ROOK:
pv = Piece.PIECE_ROOK
case chess.QUEEN:
pv = Piece.PIECE_QUEEN
pv |= Color.COLOR_WHITE if board.turn is chess.WHITE else Color.COLOR_BLACK
m += [MovePayload.MOVE_PAWN_PROM, pv]
else:
m += [MovePayload.MOVE_NONE, 0]
if pgn_dump is not None:
if board.turn is chess.WHITE:
i += 1
pgn_dump += f'\n{i}. {board.lan(move)}'.encode()
else:
if self._is_prev_line_msg:
pgn_dump += f'\n{i}... '.encode()
pgn_dump += f' {board.lan(move)}'.encode()
self._is_prev_line_msg = 0
yield tuple(m)
board.push(move)
yield res
def _send_msg(self, io, msg: str):
io.send(flat(p8(CmdGame.CMD_GAME_SEND_MESSAGE), p16(len(msg)), msg.encode()))
if u8(io.recvn(1)) != Status.STATUS_SUCCESS:
raise CheckerError('failed to send message')
def _recv_msg(self, io):
io.send(p8(CmdGame.CMD_GAME_RECV_MESSAGE))
n = u8(io.recvn(1))
msg = b''
for i in range(n):
msg += io.recvn(u16(io.recvn(2)))
return msg
def parse_args():
# sigma patch
import sys
class Namespace:
pass
n = Namespace()
if len(sys.argv) >= 2:
n.action = sys.argv[1]
if len(sys.argv) >= 3:
n.host = sys.argv[2]
if len(sys.argv) >= 4:
n.flag_id = sys.argv[3]
if len(sys.argv) >= 5:
n.flag = sys.argv[4]
if len(sys.argv) >= 6:
n.vuln = int(sys.argv[5])
return n
parser = argparse.ArgumentParser(description="Grob ForcAD checker")
parser.add_argument(
"action",
choices=["check", "put", "get"],
help="Checker action",
)
parser.add_argument("host", help="Team IP address")
parser.add_argument("flag_id", nargs="?")
parser.add_argument("flag", nargs="?")
parser.add_argument("vuln", nargs="?", type=int)
return parser.parse_args()
def main() -> int:
args = parse_args()
checker = GrobChecker(args.host)
try:
if args.action == "check":
checker.check()
elif args.action == "put":
if not (args.flag_id and args.flag and args.vuln is not None):
raise CheckerInternalError("put requires flag_id flag vuln")
checker.put(args.flag_id, args.flag, args.vuln)
elif args.action == "get":
if not (args.flag_id and args.flag and args.vuln is not None):
raise CheckerInternalError("get requires flag_id flag vuln")
checker.get(args.flag_id, args.flag, args.vuln)
else:
raise CheckerInternalError("unknown action")
except CheckerError as exc:
log(str(exc))
return exc.exit_code
except Exception as exc: # EOF like errors
log(f"DOWN")
return EXIT_DOWN
return EXIT_OK
if __name__ == "__main__":
sys.exit(main())

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ctfcup2025-school-final/checkers/grob/games/0001.pgn Normal file
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[Result "1-0"]
1. d4 d5 2. Nf3 e6 3. c4 a6 4. cxd5 exd5 5. Nc3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 c6 9. Bh4 h6 10. Nd2 Bd6 11. O-O g5 12. Bg3 Bxg3 13. fxg3 g4 14. Ne2 Qb6 15. b4 h5 16. Qe1 Qxb4 17. Rb1 Qa3 18. Rb3 Qxa2 19. Qc1 Qa5 20. Rxb7 Rc8 21. e4 c5 22. e5 Ng8 23. Nb3 Qd8 24. Nxc5 Ne7 25. Nf4 Nxc5 26. dxc5 Rc6 27. Nxe6 Rxe6 28. Qg5 Qc8 29. c6 Rf8 30. Bxa6 Nxc6 31. Rfxf7 Rxf7 32. Rxf7 Qxa6 33. Qg8# 1-0

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ctfcup2025-school-final/checkers/grob/games/0002.pgn Normal file
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[Result "1-0"]
1. e4 e6 2. b3 d5 3. Bb2 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. g3 Be7 8. Bg2 O-O 9. O-O b5 10. Qe2 Qb6 11. f5 d4 12. d3 c4 13. f6 gxf6 14. exf6 Bxf6 15. bxc4 bxc4 16. Ba3 Rd8 17. Nbd2 Ba6 18. Ne4 Qa5 19. Bc1 cxd3 20. cxd3 Bg7 21. Nfg5 Nce5 22. Qh5 Nf8 23. Rxf7 Nxf7 24. Nf6+ Bxf6 25. Qxf7+ Kh8 26. Qxf6+ Kg8 27. Nf7 Qe1+ 28. Bf1 h5 29. Nh6+ Kh7 30. Qf7+ Kh8 31. Qg8# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0003.pgn Normal file
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[Result "0-1"]
1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Nc3 e5 6. O-O Be7 7. Nd5 d6 8. Nxe7 Nxe7 9. c3 O-O 10. d4 cxd4 11. cxd4 Ng6 12. Re1 b6 13. b3 Bb7 14. d5 Nd7 15. h4 h6 16. h5 Ne7 17. Nh4 f5 18. exf5 Nxf5 19. Ng6 Rf6 20. g4 Rxg6 21. hxg6 Nh4 22. g5 Nxg2 23. Kxg2 Qe8 24. Qh5 Qe6 25. gxh6 Rf8 26. hxg7 Qxd5+ 27. f3 Qxf3+ 28. Qxf3 Rxf3 29. Rf1 Rf6+ 30. Kg1 Rxg6+ 31. Kf2 Rg2+ 32. Ke3 d5 33. Rf2 Rg3+ 34. Kd2 e4 35. Rh2 e3+ 36. Kc2 d4 37. Ba3 Be4+ 38. Kb2 Kxg7 39. Rd1 d3 40. Kc3 d2 41. Re2 Nf6 42. Bd6 Nd5+ 43. Kd4 Rg4 44. Ke5 Rg2 45. Kxe4 Rxe2 46. Kd3 Re1 47. Kc2 Rxd1 48. Be5+ Kg6 49. Kxd1 Kf5 50. Bh8 Ke4 51. Bg7 Kd3 52. Bh8 e2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0004.pgn Normal file
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[Result "0-1"]
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be3 c5 7. dxc5 Qa5 8. Bd2 dxc5 9. e5 Nfd7 10. f4 Nc6 11. Nf3 f6 12. exf6 Nxf6 13. O-O Bf5 14. Kh1 Rad8 15. Na4 Qc7 16. Nxc5 b6 17. Nb3 Ne4 18. Qc1 Nxd2 19. Nfxd2 Nb4 20. c5 Nd3 21. Bxd3 Bxd3 22. Rf3 b5 23. Qe1 Bxb2 24. Qe6+ Rf7 25. Re1 Bc3 26. Rc1 Bf5 27. Qe3 Bb2 28. Rcf1 a5 29. Ne4 Bxe4 30. Qxe4 a4 31. Nc1 Bxc1 32. Rxc1 Qxc5 33. Rff1 Qd4 34. Qb1 Rf5 35. Rfd1 Qb6 36. Qe4 Kf7 37. g3 Rxd1+ 38. Rxd1 Qe6 39. Qc2 Rd5 40. Rf1 Qf5 41. Qe2 Rd3 42. Re1 Qd5+ 43. Kg1 e6 44. f5 Rd2 45. fxe6+ Ke7 46. Qf1 Qc5+ 47. Kh1 Qf5 48. Qxf5 gxf5 49. Rb1 Kxe6 50. Rxb5 Rxa2 51. Ra5 a3 52. Kg1 Kd6 53. Kf1 Kc6 54. Kg1 Kb6 55. Ra4 Kb5 56. Ra8 Kb4 57. Rb8+ Kc3 58. Ra8 Kb2 59. Rb8+ Kc1 60. Ra8 Kb1 61. Kf1 Ra1 62. Kg2 Ka2 63. Kh3 Rb1 64. Re8 Rb3 65. Kh4 Kb2 66. Re2+ Ka1 67. Re1+ Rb1 68. Re2 a2 69. Kg5 Rh1 70. Kxf5 Kb1 71. Rxa2 Kxa2 72. h4 Kb3 73. Kg5 Kc4 74. Kh6 Rh3 75. Kxh7 Kd5 76. Kg6 Ke6 77. h5 Rxg3+ 78. Kh7 Kf6 79. h6 Rh3 80. Kg8 Rxh6 81. Kf8 Rh8# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0005.pgn Normal file
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[Result "0-1"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Qd3 Nbd7 7. Be2 e6 8. a4 b6 9. Qg3 Bb7 10. O-O h5 11. h4 Qc7 12. Bg5 Be7 13. Rad1 g6 14. f3 Rc8 15. Kh1 Qb8 16. Rfe1 Kf8 17. Bf1 e5 18. Nb3 Kg7 19. Nd2 Rhe8 20. Nc4 Bf8 21. Rd2 Rc6 22. Qh3 Bc8 23. Qg3 Bb7 24. Qh3 Bc8 25. Red1 b5 26. axb5 Rxc4 27. Bxc4 Nb6 28. Qg3 Nxc4 29. Rf2 Nh7 30. Bc1 axb5 31. b3 b4 32. Nd5 Nb6 33. Nxb4 Be6 34. Nd3 Nd7 35. Rfd2 Kg8 36. Nf2 Rc8 37. Nh3 Qb4 38. Ng5 Nxg5 39. Qxg5 Nc5 40. Rf2 Qb7 41. Qg3 Rc6 42. Be3 Nd7 43. Rfd2 Rc3 44. Qf2 f5 45. Rd3 Rxd3 46. cxd3 Qxb3 47. Qe2 Be7 48. Bg5 Bxg5 49. hxg5 Kf7 50. exf5 Bxf5 51. d4 Qc2 52. Qf1 Qa4 53. dxe5 dxe5 54. Kg1 Ke7 55. Qe2 Qf4 56. Qd2 Qxd2 57. Rxd2 Nf8 58. g3 Nh7 59. f4 exf4 60. gxf4 Nf8 61. Kf2 Nd7 62. Kg3 Ke6 63. Re2+ Kd5 64. Re7 Kd4 65. Kh4 Nc5 66. Re5 Ne6 67. Kg3 Nxg5 68. Re1 h4+ 69. Kf2 Ne4+ 70. Kf3 Nd2+ 71. Kg2 Bg4 72. Kf2 Ne4+ 73. Kg2 h3+ 74. Kh2 Kd3 75. Rg1 Bf5 76. Rxg6 Bxg6 77. Kxh3 Bf5+ 78. Kh4 Ke3 79. Kh5 Kxf4 80. Kh6 Nd6 81. Kg7 Kg5 82. Kg8 Kg6 83. Kh8 Kf6 84. Kg8 Nf7 85. Kf8 Bh7 86. Ke8 Ne5 87. Kd8 Be4 88. Ke8 Bd5 89. Kf8 Nd7+ 90. Ke8 Ke6 91. Kd8 Kd6 92. Ke8 Bc4 93. Kd8 Bf7 94. Kc8 Nc5 95. Kd8 Nb7+ 96. Kc8 Kc6 97. Kb8 Be6 98. Ka7 Nc5 99. Kb8 Kb6 100. Ka8 Bf5 101. Kb8 Na6+ 102. Ka8 Be4# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0006.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 Nxd5 8. Bd2 O-O 9. Bd3 Nc6 10. O-O Be7 11. a3 Nf6 12. Bf4 b6 13. Qe2 Bb7 14. Rad1 Rc8 15. Rfe1 Re8 16. Bb5 Nd5 17. Bg3 Nxc3 18. bxc3 Bxa3 19. Qa2 Bf8 20. h4 a6 21. Bd3 h6 22. Be4 Na5 23. Bxb7 Nxb7 24. Qxa6 Nd6 25. d5 exd5 26. Rxe8 Qxe8 27. Rxd5 Nc4 28. Kh2 Qe6 29. Rd3 Qc6 30. Qa2 Bd6 31. Bxd6 Nxd6 32. Qe2 Re8 33. Re3 Rxe3 34. Qxe3 Nf5 35. Qe5 Qd6 36. g4 Qxe5+ 37. Nxe5 Nd6 38. Kg2 Ne4 39. c4 Nd2 40. g5 f6 41. gxf6 gxf6 42. Ng4 Nxc4 43. Nxh6+ Kh7 44. Nf5 b5 45. Kf3 b4 46. Nd4 Na5 47. Ke4 b3 48. Kd3 Kg6 49. Kc3 Kh5 50. Nxb3 Nxb3 51. Kxb3 Kxh4 52. Kc4 Kg4 53. Kd5 Kf5 54. Kd6 Ke4 55. Ke6 f5 56. f3+ Kxf3 57. Kxf5 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0007.pgn Normal file
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[Result "0-1"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O Bg6 7. Nbd2 Nh6 8. c4 Be7 9. b3 O-O 10. Bb2 Nf5 11. h3 h5 12. g3 Qe8 13. cxd5 cxd5 14. Rc1 Rb8 15. Ne1 f6 16. Nd3 fxe5 17. dxe5 Bg5 18. Kh2 h4 19. g4 Ne7 20. f4 Bxd3 21. fxg5 Rxf1 22. Qxf1 Bxe2 23. Qxe2 Rc8 24. Nf3 Rxc1 25. Bxc1 Ng6 26. Bd2 Qb8 27. Bc3 Qc7 28. Qe3 a6 29. Kg1 Qc5 30. Kf2 Nf4 31. Bd2 Ng6 32. Qxc5 Nxc5 33. Ke3 Ne4 34. Be1 Kf7 35. b4 Ke7 36. a4 Kd7 37. Kd4 Nf4 38. Bxh4 g6 39. Be1 Nxh3 40. Nh4 Nhxg5 41. Ke3 Kc6 42. Nxg6 a5 43. bxa5 Kc5 44. Nf4 Kc4 45. Ne2 Nf7 46. Kf4 Nc5 47. Bc3 Nd3+ 48. Ke3 Ndxe5 49. g5 Ng6 50. Bf6 e5 51. Ng3 Nd6 52. Kf3 d4 53. Kg4 Kd5 54. Kh5 Nf4+ 55. Kg4 d3 56. Nf1 Nc4 57. Kf5 d2 58. Nxd2 Ne3# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0008.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. g3 Qc7 6. Bg2 a6 7. O-O Nf6 8. Re1 Nxd4 9. Qxd4 Bc5 10. Qc3 O-O 11. Be3 Bd6 12. Qb3 Bc5 13. Bxc5 Qxc5 14. Qc3 Qxc3 15. Nxc3 d6 16. Red1 Ne8 17. Na4 b5 18. Nb6 Rb8 19. Nxc8 Rxc8 20. c3 Rb8 21. a4 bxa4 22. Rd2 Rb6 23. Rxa4 e5 24. Rb4 Rxb4 25. cxb4 Nc7 26. Rxd6 Rb8 27. Bh3 Kf8 28. Rc6 Rb7 29. Bc8 Ra7 30. Rd6 Ra8 31. Bh3 Rb8 32. Rc6 Rb7 33. Bc8 Ra7 34. Rb6 Ra8 35. Bg4 Rd8 36. Rc6 Nb5 37. Rxa6 Rd4 38. Be2 Nc7 39. Rc6 Rd2 40. Bc4 Ne8 41. b3 Rd8 42. Rc5 f6 43. b5 Nd6 44. f3 Rb8 45. Rc7 h5 46. h4 Rb6 47. Rc5 Ke7 48. Kf2 Kd7 49. Ke3 Rb8 50. Bd5 g5 51. Bc4 gxh4 52. gxh4 Ra8 53. Kd3 Nb7 54. Rc6 Nd6 55. Kc3 Ra1 56. Kb4 Rh1 57. Kc5 Nb7+ 58. Kb6 Nd6 59. Rc7+ Kd8 60. Kc6 Nc8 61. Rd7+ Ke8 62. Kc7 Nb6 63. Bf7+ Kf8 64. Kxb6 Rxh4 65. Kc7 Rf4 66. Bxh5 Rh4 67. b6 Rxh5 68. b7 Rh7 69. b8=Q# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0009.pgn Normal file
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[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. h3 d5 5. exd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd6 8. O-O O-O 9. d4 exd4 10. cxd4 h6 11. Re1 Qf6 12. Bb2 a6 13. Bd3 Bf5 14. Rb1 Bxd3 15. Qxd3 Ne7 16. c4 Qg6 17. Qc3 c6 18. Ba3 Nf5 19. Rxb7 Bxa3 20. Qxa3 Nd6 21. Rc7 Nxc4 22. Qc5 Nd6 23. Rxc6 Rfd8 24. Rd1 Qf6 25. Qa5 Nb7 26. Qc7 Nd6 27. Qa5 Nb7 28. Qb6 Nd6 29. Ne5 Qe6 30. Qa5 Nb7 31. Rxe6 Nxa5 32. Rb6 Rd5 33. Nf3 Nc4 34. Rc6 Na3 35. Rd3 Nb5 36. a4 Nd6 37. Rc5 Rf5 38. Rb3 Rf6 39. Rb6 Ne4 40. Rcc6 a5 41. Rxf6 Nxf6 42. Nd2 Nd5 43. Rb3 Nb4 44. Rc3 Nd5 45. Rc5 Nb6 46. Nc4 Nxa4 47. Rxa5 Rxa5 48. Nxa5 Kf8 49. Kf1 Ke7 50. Ke2 Kd6 51. Kd3 Kd5 52. Nc4 Ke6 53. Ne3 Nb6 54. Kc3 g6 55. Kb4 Nd7 56. Kc4 h5 57. d5+ Ke5 58. Kb5 Kd6 59. f4 h4 60. Kc4 Nc5 61. Kd4 Nb3+ 62. Kd3 Nc1+ 63. Ke4 f5+ 64. Kf3 Nd3 65. g4 hxg3 66. Kxg3 Kc5 67. Ng2 Kxd5 68. Nh4 Ke6 69. Nxg6 Kf6 70. Nh4 Nc5 71. Kf3 Nd3 72. Ke3 Nc5 73. Nf3 Ne4 74. Nd4 Kg6 75. Kf3 Nf6 76. Nc2 Ne4 77. Ne3 Nf6 78. Kg2 Ne4 79. Nd5 Kf7 80. Kf3 Kg6 81. Ke3 Kf7 82. h4 Kg6 83. Kd4 Nf2 84. Ke5 Nd3+ 85. Kd4 Nf2 86. Ne3 Kh5 87. Ke5 Nd3+ 88. Kxf5 Nxf4 89. Kxf4 Kxh4 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0010.pgn Normal file
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[Result "1-0"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. O-O Ne7 7. c3 a5 8. a4 Bg6 9. Na3 Nc8 10. Ne1 Ncb6 11. Nd3 Be7 12. Re1 Bg5 13. f4 Be7 14. b3 Qc7 15. Bf3 Bxd3 16. Qxd3 g6 17. Kh1 h5 18. Bd2 Nc8 19. c4 Na7 20. Rec1 Qb6 21. Nc2 Bf8 22. Rab1 Qa6 23. Be2 Nc8 24. Ne1 Ne7 25. Nf3 Nf5 26. cxd5 Qxd3 27. Bxd3 exd5 28. Bxf5 gxf5 29. Nh4 Bb4 30. Bxb4 axb4 31. Nxf5 O-O 32. Ng3 Rfc8 33. Nxh5 c5 34. dxc5 Nxc5 35. Nf6+ Kg7 36. Nxd5 Nxb3 37. Rxc8 Rxc8 38. h4 Nc5 39. Rxb4 Rd8 40. Ne3 Kg6 41. Kh2 Rd3 42. Rb6+ Kh7 43. Nf5 Ra3 44. Rf6 Rxa4 45. Rxf7+ Kg6 46. Rf6+ Kh5 47. Kh3 Ra3+ 48. g3 Ne4 49. Ng7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0011.pgn Normal file
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[Result "0-1"]
1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Qxd4 Nc6 6. Qf4 g6 7. Nc3 d4 8. Ne4 Bh6 9. Neg5 f6 10. exf6 exf6 11. Qe4+ Kf8 12. Ne6+ Bxe6 13. Bxh6+ Nxh6 14. Qxe6 Qa5+ 15. Kd1 Kg7 16. Qd7+ Nf7 17. Bc4 Rhf8 18. Qxb7 Rac8 19. a3 Qc5 20. Qb5 Qd6 21. Bxf7 Rxf7 22. Re1 Nd8 23. Re8 a6 24. Qe2 Rcc7 25. Qe4 Nb7 26. Nh4 Qc5 27. Qd3 Nd6 28. Re2 Nc4 29. Rb1 Ne5 30. Qg3 d3 31. cxd3 Nxd3 32. Rd2 Rfd7 33. Nf3 Nxf2+ 34. Ke2 Ne4 35. Rxd7+ Rxd7 36. Qe1 Qc4+ 37. Ke3 Rd3+ 38. Kf4 g5+ 39. Kf5 Nd6# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0012.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. O-O Ngf6 6. Qe2 e6 7. c3 Be7 8. d4 O-O 9. e5 Ne8 10. Bf4 cxd4 11. cxd4 dxe5 12. dxe5 Nc7 13. Nc3 Nb6 14. Rad1 Ncd5 15. Qe4 Rc8 16. Nxd5 Nxd5 17. Rd3 Qc7 18. Bg5 h6 19. Bd2 Qc2 20. Nd4 Qxb2 21. Qg4 Kh7 22. Rg3 Rg8 23. Rd1 g5 24. Rb3 Qxa2 25. Rxb7 Rc4 26. Qe4+ Kh8 27. Qd3 Qa4 28. Be3 Rd8 29. Rxa7 Qxa7 30. Qxc4 Nxe3 31. fxe3 Qc5 32. Qxc5 Bxc5 33. Kf2 Rd5 34. Kf3 Rxe5 35. g4 Rd5 36. Ke4 Bxd4 37. Rxd4 Rxd4+ 38. exd4 Kg7 39. d5 exd5+ 40. Kxd5 Kf6 41. Kd6 h5 42. gxh5 g4 43. h6 Kg6 44. Ke5 Kxh6 45. Kf6 Kh5 46. Kxf7 Kh4 47. Kg6 Kh3 48. Kg5 Kxh2 49. Kxg4 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0013.pgn Normal file
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[Result "0-1"]
1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be6 7. Bd3 Nbd7 8. Nge2 h6 9. Bh4 g5 10. Bg3 Nh5 11. Qc2 Nxg3 12. Nxg3 h5 13. h3 Qf6 14. Nge2 O-O-O 15. f3 Kb8 16. e4 Bh6 17. e5 Qe7 18. O-O-O c5 19. Rde1 Rc8 20. Kb1 Bg7 21. Nb5 cxd4 22. Qa4 a6 23. Nd6 Rc7 24. Nxd4 Bxe5 25. N6f5 Qf6 26. Qb4 Rc4 27. Bxc4 Bxf5+ 28. Ka1 dxc4 29. Nxf5 Qxf5 30. Qxc4 Rc8 31. Qb4 Rc2 32. Rb1 Nc5 33. g4 Qf6 34. Rhd1 Na4 35. Rd8+ Qxd8 36. Qxa4 Bxb2+ 37. Rxb2 Rc1+ 38. Rb1 Qf6+ 39. Qd4 Qxd4# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0014.pgn Normal file
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[Result "0-1"]
1. e4 d6 2. d4 Nf6 3. Bd3 Bg4 4. Ne2 g6 5. f3 Bd7 6. Be3 Bg7 7. c4 c5 8. d5 e6 9. Nbc3 O-O 10. O-O Na6 11. g4 Nb4 12. Bb1 exd5 13. cxd5 b5 14. Ng3 Na6 15. g5 Ne8 16. Qd2 Nec7 17. f4 b4 18. Nce2 c4 19. e5 Bg4 20. Be4 Nb5 21. a4 bxa3 22. bxa3 dxe5 23. f5 Re8 24. d6 Nd4 25. Bxa8 Qxa8 26. Nxd4 exd4 27. Bxd4 Qd5 28. f6 Bf8 29. Bc3 Qc6 30. Rf4 Bc8 31. Qg2 Qxd6 32. Rxc4 Qd3 33. Qf1 Qe3+ 34. Qf2 Qxg5 35. Re1 Rxe1+ 36. Qxe1 Be6 37. Re4 Qd5 38. Qd2 Qc6 39. Bb4 Nxb4 40. axb4 h5 41. Rd4 Qb6 42. Kg2 Bc8 43. Qf4 Bb7+ 44. Kf1 a5 45. Nf5 Qb5+ 46. Kf2 Qxf5 47. Qxf5 gxf5 48. Rd7 Be4 49. bxa5 Bc5+ 50. Kg3 Be3 51. Re7 f4+ 52. Kh3 Bh1 53. a6 f3 54. Rd7 Bf2 55. a7 Bg2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0015.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Nf6 7. O-O d5 8. e5 Nd7 9. Re1 Qb6 10. c4 Bc5 11. Qf3 Bd4 12. Qf4 g5 13. Qd2 Nxe5 14. Bf1 g4 15. c5 Qxc5 16. b4 Qb6 17. Bb2 Bxb2 18. Qxb2 f6 19. Nc3 Rb8 20. a3 O-O 21. Na4 Qc7 22. Nc5 a5 23. Qd4 axb4 24. axb4 Rf7 25. Ra4 Qd6 26. Ne4 Qe7 27. Nxf6+ Qxf6 28. Rxe5 Qf4 29. Qb2 Rg7 30. g3 Qf8 31. Qd4 Qd6 32. Be2 Bd7 33. Bxg4 Rxb4 34. Qxb4 Qxe5 35. Ra8+ Kf7 36. Rf8+ Kg6 37. Bf3 Qg5 38. h4 Qc1+ 39. Kg2 h5 40. Rh8 c5 41. Bxh5+ Kf5 42. Rf8+ Ke5 43. Qb8+ Kd4 44. Rf4+ Kd3 45. Qb3+ Kd2 46. Rf3 c4 47. Qe3+ Kc2 48. Qc3+ Kb1 49. Qxg7 Bc6 50. Bg6+ Ka2 51. Qa7+ Kb2 52. Qa3# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0016.pgn Normal file
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[Result "0-1"]
1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 4. e3 Bg4 5. Bxc4 e6 6. h3 Bh5 7. Nc3 Nc6 8. O-O Bd6 9. Re1 O-O 10. g4 Bg6 11. e4 Nd7 12. Bg5 Be7 13. d5 Nce5 14. Bxe7 Qxe7 15. Be2 f5 16. Nd4 fxg4 17. Bxg4 Qh4 18. Bxe6+ Kh8 19. Qd2 Nc5 20. Qe3 Nxe6 21. dxe6 c5 22. Nf5 Bxf5 23. exf5 Rxf5 24. e7 Rf3 25. Qe2 Rxh3 26. Qe4 Qh5 27. Re3 Nf3+ 28. Kf1 Nd2+ 29. Ke1 Nxe4 30. Rxe4 Rh1+ 31. Kd2 Rxa1 32. Kc2 Re8 33. Kb3 Qf7+ 34. Ka3 Rxe7 35. Rxe7 Qxe7 36. Nd5 Qe4 37. f3 Qxd5 38. b3 Qd2 39. f4 Rxa2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0017.pgn Normal file
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[Result "0-1"]
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3 Qc7 6. h3 e5 7. O-O Nf6 8. Nc3 Nh5 9. Be3 Be6 10. a3 b6 11. Na4 Rd8 12. Qd2 Bg7 13. Bh6 O-O 14. Bxg7 Kxg7 15. b4 c4 16. Nb2 Nf4 17. Rfe1 f6 18. Re3 c5 19. Qc3 cxd3 20. Nxd3 Nxd3 21. Rxd3 Rxd3 22. Qxd3 Rd8 23. Qc3 c4 24. Kf1 Qc6 25. Nd2 Rd4 26. Ke2 f5 27. exf5 Bxf5 28. Nf3 Qe4+ 29. Kf1 Qxc2 30. Qxc2 Bxc2 31. Nxd4 exd4 32. Re1 Bd3+ 33. Kg1 c3 34. f3 Bb5 35. Kf2 d3 36. Ke3 d2 37. Rh1 Kf6 38. h4 Ba4 39. Ke2 Ke5 40. Rg1 Kd4 41. Rh1 Bb5+ 42. Kd1 Kd3 43. h5 c2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0018.pgn Normal file
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[Result "1-0"]
1. Nf3 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Na3 Be7 6. Nxc4 O-O 7. O-O c5 8. d4 b5 9. Nfe5 Nd5 10. Ne3 Bb7 11. dxc5 Bxc5 12. Nxd5 Bxd5 13. Bxd5 Qxd5 14. Qxd5 exd5 15. Rd1 Rd8 16. Bf4 f6 17. Nd3 Bb6 18. Nb4 d4 19. Rac1 Re8 20. Kf1 Nd7 21. Nd5 Ne5 22. Nxb6 axb6 23. Rxd4 Rxa2 24. Bxe5 Rxe5 25. Rc7 h5 26. Rdd7 Rg5 27. f4 Rg4 28. Rc2 h4 29. Kf2 h3 30. Kf3 Rg6 31. Rc8+ Kh7 32. Rdd8 Rh6 33. f5 g6 34. Rd7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0019.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Qa4 Nd5 7. Qe4 Ndb4 8. Bb5 a6 9. Ba4 b5 10. Bb3 d5 11. exd6 Qxd6 12. O-O Bg7 13. Nc3 Bf5 14. Qe2 Na5 15. Rd1 Qc7 16. Bg5 Nxb3 17. axb3 Ra7 18. Nxb5 axb5 19. Rxa7 Qxa7 20. Qxb5+ Bd7 21. Qxb4 Bc6 22. Bxe7 Bd7 23. Bc5 Qc7 24. Re1+ Be6 25. Ng5 Be5 26. Qa4+ Kd8 27. Nxe6+ fxe6 28. Rd1+ Kc8 29. Qa8+ Qb8 30. Qa6+ Qb7 31. Qxe6+ Kb8 32. Qxe5+ Ka8 33. Ra1+ Qa6 34. Rxa6+ Kb7 35. Rb6+ Ka7 36. Qc7+ Ka8 37. Qb7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0020.pgn Normal file
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[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. d4 exd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. f4 Ne7 10. Bc5 O-O 11. Qd2 d6 12. O-O-O Nd5 13. Nxd5 cxd5 14. exd6 Rb8 15. c3 Be6 16. Kb1 cxd6 17. Bd4 Qa5 18. Bxg7 Kxg7 19. Qd4+ Kg8 20. Bd3 Qc5 21. Rhe1 Rfc8 22. f5 gxf5 23. Qxc5 dxc5 24. Rf1 Rb6 25. Bxf5 Rcb8 26. b3 a5 27. Kc1 a4 28. Bc2 axb3 29. axb3 Ra6 30. Kb2 d4 31. cxd4 c4 32. d5 cxb3 33. Bb1 Bd7 34. Rf3 Ra5 35. Rd4 Rbb5 36. Rg3+ Kf8 37. d6 Rd5 38. Bxh7 f5 39. Rxd5 Rxd5 40. Kxb3 Rxd6 41. Rf3 Rd5 42. g4 Kg7 43. Bxf5 Bxf5 44. gxf5 Kf6 45. h4 Rxf5 46. Rxf5+ Kxf5 47. h5 Kg5 48. h6 Kxh6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0021.pgn Normal file
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[Result "1/2-1/2"]
1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 Be7 6. e4 d6 7. a4 b4 8. Nbd2 O-O 9. Nc4 c5 10. Bf4 d5 11. exd5 Nxd5 12. Nfe5 Nd7 13. Re1 Rc8 14. Ng4 N7f6 15. Nxf6+ Bxf6 16. Nd6 Rc7 17. Nxb7 Rxb7 18. Be5 Rd7 19. Qh5 g6 20. Qh6 Bxe5 21. Rxe5 Qf6 22. Rae1 Rc8 23. b3 Ne7 24. Bh3 Rc6 25. Bg2 Rcc7 26. g4 Nc6 27. Bxc6 Rxc6 28. g5 Qd8 29. R1e3 Qf8 30. Qh3 Qd8 31. Qh6 Qf8 32. Qh3 Qd8 33. Qf3 Rcc7 34. h4 Rd5 35. Rxd5 Qxd5 36. Qxd5 exd5 37. Re8+ Kg7 38. Rb8 a5 39. Rb5 c4 40. Rxa5 cxb3 41. cxb3 Rc3 42. Rxd5 Rxb3 43. Kg2 Ra3 44. a5 h6 45. f4 hxg5 46. hxg5 f6 47. gxf6+ Kxf6 48. Kf3 b3 49. Rb5 b2 50. Ke4 Rxa5 51. Rb6+ Ke7 52. Rxb2 Ra1 53. Rb7+ Ke6 54. Rb6+ Kf7 55. d4 Re1+ 56. Kd5 Rf1 57. Ke5 Re1+ 58. Kd6 Re4 59. d5 Rxf4 60. Kc7 Rd4 61. d6 Ke6 62. Rc6 g5 63. Rc1 g4 64. Re1+ Kf5 65. d7 g3 66. d8=Q Rxd8 67. Kxd8 Kf4 68. Rg1 Kf3 69. Rxg3+ Kxg3 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0022.pgn Normal file
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[Result "1-0"]
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bg7 7. g3 O-O 8. Bg2 d6 9. Nf3 Nxa6 10. O-O Bf5 11. Ne1 Qb6 12. Nc2 Bxc2 13. Qxc2 Rfb8 14. h3 Nd7 15. Nd1 Nb4 16. Qb1 Qa6 17. a3 Nb6 18. Ne3 Rb7 19. Bf3 Rba7 20. Bd2 Qa4 21. Bc3 Qb3 22. Bxg7 Kxg7 23. Qc1 N4xd5 24. Nxd5 Nxd5 25. Rd1 e6 26. Rd3 Qb5 27. Bxd5 exd5 28. Rxd5 Ra6 29. Qc3+ Kg8 30. Rd2 Rb8 31. Rad1 Rab6 32. e3 Qd7 33. Qf6 Qd8 34. Qf4 Qe7 35. h4 h5 36. Kg2 Qb7+ 37. Kh2 Qe7 38. b3 Rd8 39. Qc4 Rdb8 40. Rd3 Qe5 41. Kg2 Ra8 42. Rd5 Qe6 43. a4 Rb4 44. Qc3 Rd8 45. a5 Re8 46. Rxd6 Qxb3 47. Qxc5 Rbb8 48. a6 Ra8 49. Qd5 Qa4 50. Rxg6+ Kf8 51. Rf6 Ra7 52. Rd4 Qa1 53. Rdf4 Ree7 54. Qxh5 Rxe3 55. Rxf7+ Ke8 56. Rxa7+ Kd8 57. Rf8+ Re8 58. Qxe8# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0023.pgn Normal file
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[Result "1/2-1/2"]
1. Nf3 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 d6 6. d3 e6 7. h4 h6 8. Bd2 Nge7 9. Qc1 Nf5 10. O-O Rb8 11. Rb1 b6 12. a3 Bb7 13. b4 Qd7 14. Re1 Ncd4 15. e4 Nxf3+ 16. Bxf3 Nd4 17. Bg2 h5 18. Ne2 Nc6 19. f4 O-O 20. Rf1 Ne7 21. Bc3 Bxc3 22. Qxc3 d5 23. bxc5 dxc4 24. dxc4 bxc5 25. Qf6 Rfd8 26. f5 exf5 27. exf5 Bxg2 28. fxg6 Nxg6 29. Kxg2 Rxb1 30. Rxb1 Re8 31. Rb2 Qg4 32. Nf4 Nxf4+ 33. Qxf4 Qxf4 34. gxf4 Re4 35. Rb5 Rxc4 36. Ra5 Kg7 37. Kf3 Kg6 38. Rxa7 f6 39. Ra5 Kf5 40. Ke3 Kg4 41. Ra6 Rxf4 42. a4 Rb4 43. a5 Ra4 44. Ra8 Kxh4 45. a6 Kg4 46. a7 Kf5 47. Rh8 Rxa7 48. Rxh5+ Kg4 49. Rxc5 Ra3+ 50. Kf2 f5 51. Rc2 f4 52. Rb2 Rf3+ 53. Kg2 Rg3+ 54. Kf2 Rh3 55. Rb8 Rh2+ 56. Kg1 Re2 57. Kf1 Kf3 58. Rh8 Rf2+ 59. Kg1 Rg2+ 60. Kf1 Rg7 61. Rh3+ Rg3 62. Rh8 Rg6 63. Rh3+ Ke4 64. Ra3 Rg3 65. Rxg3 fxg3 66. Kg2 Kf4 67. Kg1 Kf3 68. Kf1 g2+ 69. Kg1 Kg3 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0024.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Nb3 e6 7. g4 b5 8. a3 Bb7 9. Bg2 Nc6 10. g5 Nd7 11. Be3 Rb8 12. h4 Be7 13. f4 Nb6 14. Qe2 Nc4 15. O-O-O Qc7 16. f5 Bc8 17. Bh3 Nxe3 18. Qxe3 b4 19. axb4 Nxb4 20. Rhf1 e5 21. f6 gxf6 22. gxf6 Bf8 23. Bxc8 Rxc8 24. Kb1 a5 25. Qe2 Rb8 26. Rg1 h5 27. Rg3 Rh6 28. Rf1 Rh8 29. Nd2 Qc5 30. Nc4 Nc6 31. Nd5 Nd4 32. Qd3 a4 33. c3 Nb3 34. Rd1 Qf2 35. Nxd6+ Kd7 36. Nb5 Nc5 37. Qc4 a3 38. Ne7+ Ke8 39. Nc7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0025.pgn Normal file
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@@ -0,0 +1,3 @@
[Result "1-0"]
1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. O-O e5 6. Bc2 Bg4 7. d3 Be7 8. Nbd2 O-O 9. h3 Be6 10. Re1 Qc7 11. Nf1 d5 12. Ng5 h6 13. Nxe6 fxe6 14. Qe2 Rf7 15. Ne3 Raf8 16. Rf1 Qd7 17. Ng4 Kh8 18. exd5 Nxd5 19. Ba4 Bd6 20. Bxc6 Qxc6 21. Nxe5 Bxe5 22. Qxe5 Rf5 23. Qe4 Qd6 24. Bd2 e5 25. Rae1 b6 26. Re2 Qd7 27. Ree1 Qf7 28. Qe2 Qg6 29. Qe4 Qf7 30. f3 Qd7 31. c4 Nc7 32. Bc3 Ne6 33. Bxe5 Ng5 34. Qd5 Qa4 35. f4 Nf7 36. Bxg7+ Kxg7 37. Qxf5 Qc2 38. Re7 Qxb2 39. Rf3 Qc1+ 40. Kh2 Kg8 41. Rg3+ Ng5 42. Qh7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0026.pgn Normal file
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[Result "0-1"]
1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 g6 5. e4 d6 6. Nge2 Ne5 7. d3 Bg4 8. f4 Nf3+ 9. Kf2 Nd4 10. h3 Bxe2 11. Nxe2 Nd7 12. Nxd4 cxd4 13. Bd2 Bg7 14. b4 e6 15. a4 Rb8 16. a5 g5 17. fxg5 h6 18. Bf4 hxg5 19. Bxd6 Be5 20. Bxb8 Qxb8 21. Qg4 Nf6 22. Qf3 Nh5 23. Rhf1 Nxg3 24. Kg1 Nxf1 25. Rxf1 Bf4 26. a6 bxa6 27. e5 Qxe5 28. Qa8+ Ke7 29. Qxa7+ Kf6 30. c5 Qe3+ 31. Rf2 Qe1+ 32. Rf1 Qe3+ 33. Rf2 Kg6 34. Qe7 Bh2+ 35. Kf1 Qc1+ 36. Ke2 Qe3+ 37. Kf1 Qxd3+ 38. Ke1 Qb1+ 39. Ke2 d3+ 40. Ke3 Qe1+ 41. Kxd3 Qxf2 42. Be4+ Kh6 43. c6 Be5 44. Qd7 Kg7 45. Kc4 Rxh3 46. Bd3 Qc2+ 47. Bxc2 Rc3# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0027.pgn Normal file
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[Result "1-0"]
1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nxc6 bxc6 7. Bd3 e6 8. O-O Ne7 9. Re1 Qb6 10. c3 Ba6 11. Bc2 Ng6 12. Qg4 Be7 13. Nd2 h5 14. Qg3 Bh4 15. Qf3 Bg5 16. Nc4 Bxc4 17. Bxg5 Ne7 18. b3 Ba6 19. b4 Qc7 20. a4 Bc4 21. Rad1 a5 22. Rd4 Nc8 23. Rh4 Nb6 24. Rxh5 Rg8 25. Be3 Nd7 26. Qh3 O-O-O 27. Bd4 c5 28. bxc5 Nxc5 29. Qe3 Nd7 30. Rb1 Rh8 31. Rxh8 Rxh8 32. h3 Qc6 33. Qg5 Rg8 34. Qe7 f6 35. Bh7 Rf8 36. Rb6 Qxa4 37. Qd6 Bb5 38. Rb8+ Nxb8 39. Qxf8+ Kb7 40. Qxg7+ Nd7 41. exf6 Qd1+ 42. Kh2 Kc6 43. f7 e5 44. Bxe5 Qh5 45. f8=Q Nxf8 46. Qc7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0028.pgn Normal file
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[Result "1/2-1/2"]
1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. O-O g6 5. c4 Bg7 6. Nc3 O-O 7. d4 cxd4 8. Nxd4 Qa5 9. Nc2 d6 10. Bd2 Qh5 11. e4 Ng4 12. h3 Nge5 13. Qxh5 gxh5 14. b3 Bxh3 15. f4 Bxg2 16. Kxg2 Ng4 17. Rh1 a6 18. Rac1 b5 19. cxb5 axb5 20. Rxh5 b4 21. Na4 Nf6 22. Rhh1 Nxe4 23. Nxb4 Nd4 24. Rhd1 Rab8 25. Be1 Rfc8 26. Na6 Ra8 27. Nc7 Ra7 28. Nd5 Rxc1 29. Rxc1 f5 30. Nb4 h5 31. Nb6 Kf7 32. Rc8 Rb7 33. Nc4 Nc5 34. a4 Ndxb3 35. a5 Nd4 36. a6 Ra7 37. Bf2 Nde6 38. Na3 Nxa6 39. Bxa7 Nxb4 40. Nb5 Nd5 41. Bf2 h4 42. Kf3 hxg3 43. Bxg3 Nc5 44. Nc7 Nxc7 45. Rxc7 Bf6 46. Bf2 Ne4 47. Bg1 Ke6 48. Ra7 Nd2+ 49. Ke2 Ne4 50. Kd3 Nc3 51. Ra5 Nd5 52. Be3 Bh4 53. Bd2 Bg3 54. Ra4 Kf6 55. Rd4 Ke6 56. Ra4 Nf6 57. Ra5 Ne4 58. Be3 Bh2 59. Ra2 Bg3 60. Ra5 Bh4 61. Rb5 Nf6 62. Ra5 Nd5 63. Bd2 Bg3 64. Ra4 Bf2 65. Ra1 Bc5 66. Re1+ Kf6 67. Rh1 Ke6 68. Rh6+ Kf7 69. Rh7+ Kg6 70. Rh2 Nf6 71. Rg2+ Ng4 72. Bc3 Bf2 73. Ke2 Bb6 74. Rg3 Kf7 75. Rh3 Bc5 76. Rh7+ Ke6 77. Rg7 Ba3 78. Bd2 Bb2 79. Rh7 Bf6 80. Rh5 Bd4 81. Be1 Nf6 82. Rg5 Kd5 83. Rxf5+ Ke4 84. Ra5 Kxf4 85. Ra4 Ke5 86. Kd3 Bc5 87. Bc3+ Kf5 88. Bxf6 Kxf6 89. Ra1 e6 90. Rf1+ Ke5 91. Re1+ Kd5 92. Rh1 e5 93. Re1 Bf2 94. Re2 Bg3 95. Ra2 Be1 96. Re2 Bb4 97. Re4 Bc5 98. Rh4 Bd4 99. Rg4 Kc5 100. Rh4 d5 101. Rg4 Bf2 102. Ke2 Bd4 103. Kd3 Bb2 104. Rh4 Bc1 105. Rg4 Bf4 106. Rg8 e4+ 107. Ke2 d4 108. Rc8+ Kd5 109. Rd8+ Bd6 110. Kd2 Ke5 111. Ke2 Bb4 112. Re8+ Kd5 113. Rd8+ Kc4 114. Re8 Kd5 115. Rd8+ Ke5 116. Re8+ Kf4 117. Rd8 Bc3 118. Rd5 Bb2 119. Rd8 Ke5 120. Re8+ Kd5 121. Rd8+ Kc4 122. Rc8+ Kb3 123. Re8 Kc2 124. Rxe4 d3+ 125. Kf3 d2 126. Re2 Kd3 127. Rxd2+ Kxd2 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0029.pgn Normal file
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[Result "1-0"]
1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. a3 Bxc5 6. b4 Bb6 7. Nf3 a5 8. b5 a4 9. c4 Ne7 10. Be2 Qc7 11. Nbd2 Ba5 12. O-O Bc3 13. Rb1 Nd7 14. Qc2 Bxd2 15. Bxd2 Nxe5 16. Nxe5 Qxe5 17. Bb4 Qc7 18. b6 Qd8 19. cxd5 Nxd5 20. Rfd1 Bd7 21. Rxd5 exd5 22. Re1 Qxb6 23. Bb5+ Kd8 24. Be7+ Ke8 25. Bc5+ Qe6 26. Rxe6+ fxe6 27. Qe2 Bxb5 28. Qxe6+ Kd8 29. Bb6# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0030.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 h5 7. Nf4 Bh7 8. Nxh5 c5 9. dxc5 Nc6 10. h4 Bxc5 11. Bg5 Qb6 12. Qd2 Nxe5 13. O-O-O d4 14. Na4 Qc6 15. Nxc5 Qxc5 16. Rh3 f6 17. Bf4 Rc8 18. c3 Nxg4 19. Qe2 Bf5 20. Nxg7+ Kf7 21. Nxf5 Qxf5 22. Rxd4 e5 23. Qb5 Ne7 24. Bc4+ Rxc4 25. Qxc4+ Qe6 26. Qxe6+ Kxe6 27. Bxe5 Nxe5 28. f4 N5c6 29. Re3+ Kf7 30. Rd7 Rxh4 31. Re4 b6 32. Rc7 Kf8 33. b4 f5 34. Re1 b5 35. a4 a6 36. axb5 axb5 37. c4 Rxf4 38. cxb5 Rc4+ 39. Kd2 Ne5 40. Rxc4 Nxc4+ 41. Kd3 Nb6 42. Kd4 f4 43. Kc5 Ned5 44. Re4 Kf7 45. Rxf4+ Nxf4 46. Kxb6 Ke7 47. Ka6 Nd5 48. b6 Nxb4+ 49. Kb5 Kd7 50. Kxb4 Kc6 51. Ka5 Kb7 52. Kb5 Kb8 53. Ka6 Ka8 54. b7+ Kb8 55. Kb6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0031.pgn Normal file
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[Result "0-1"]
1. e4 d6 2. d4 c6 3. Nc3 Nd7 4. f4 g6 5. Nf3 Bg7 6. e5 Nb6 7. Bd3 Nh6 8. Qe2 Bg4 9. h3 Bxf3 10. Qxf3 f5 11. Be3 e6 12. O-O d5 13. Ne2 Qe7 14. b3 Nf7 15. g4 Nh6 16. g5 Nf7 17. h4 h6 18. c4 hxg5 19. hxg5 O-O-O 20. c5 Nd7 21. Kg2 Rh4 22. Rh1 Rg4+ 23. Kf2 Bxe5 24. Rag1 Rxg1 25. Kxg1 Bc7 26. Qg2 e5 27. fxe5 Nfxe5 28. dxe5 Nxe5 29. Bb1 Ng4 30. Bd2 Qxc5+ 31. Kf1 d4 32. Qf3 Nh2+ 33. Rxh2 Bxh2 34. Bd3 Be5 35. b4 Qd6 36. Nc1 Rh8 37. Nb3 Bg3 38. Kg1 a6 39. Bf1 Bh2+ 40. Kg2 Rh4 41. Bd3 Rg4+ 42. Kf1 Rg3 43. Qe2 Rg1+ 44. Kf2 Qg3# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0032.pgn Normal file
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[Result "1/2-1/2"]
1. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf3 Qxd5 5. Be2 Nc6 6. O-O O-O-O 7. c3 e5 8. dxe5 Qxd1 9. Rxd1 Rxd1+ 10. Bxd1 Bxf3 11. gxf3 Nxe5 12. Be3 Nd5 13. b4 Be7 14. Bd2 Bf6 15. a3 Rd8 16. Be2 Nb6 17. f4 Nec4 18. Bc1 Nd6 19. Ra2 Ne4 20. Rc2 Nd5 21. c4 Ndc3 22. Nxc3 Nxc3 23. Bf3 c6 24. Be3 Kb8 25. Kg2 g6 26. Bd2 Rd3 27. f5 gxf5 28. Bf4+ Kc8 29. b5 c5 30. a4 Ne4 31. Bh5 Rd7 32. a5 Bd8 33. b6 axb6 34. axb6 Bxb6 35. Ra2 Re7 36. Ra8+ Kd7 37. Rh8 f6 38. Rb8 Ke6 39. Bc1 Nd6 40. Be2 Rg7+ 41. Kf3 Bc7 42. Rh8 Nf7 43. Rc8 Kd7 44. Rf8 Bd6 45. Ra8 Bxh2 46. Ba3 Bd6 47. Ke3 Ne5 48. Rh8 Ng6 49. Ra8 Kc7 50. Bf3 Ne5 51. Be2 Re7 52. Kd2 Nc6 53. Bb2 Bf4+ 54. Kd1 Bg5 55. Rf8 Rd7+ 56. Ke1 Ne7 57. Bc3 Ng6 58. Ra8 Nf4 59. Bf3 Kd6 60. Rb8 h5 61. Rxb7 Rxb7 62. Bxb7 h4 63. Kf1 h3 64. Bc8 Ne6 65. Kg1 Bh4 66. Kh2 Bxf2 67. Bxf6 Bd4 68. Bh4 Ke5 69. Kxh3 Nf4+ 70. Kg3 Ng6 71. Bg5 Ke4 72. Bb7+ Kd3 73. Bc8 Be5+ 74. Kf3 Kxc4 75. Bxf5 Nf8 76. Be7 Bg7 77. Bxf8 Bxf8 78. Be6+ Kd3 79. Bf7 c4 80. Bxc4+ Kxc4 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0033.pgn Normal file
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[Result "1/2-1/2"]
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d6 6. Re1 Nbd7 7. e4 e5 8. Nc3 Re8 9. h3 a6 10. a4 b6 11. b3 exd4 12. Nxd4 Bb7 13. Bb2 Nc5 14. f3 d5 15. exd5 Rxe1+ 16. Qxe1 Nxd5 17. Rd1 Qf8 18. Nxd5 Bxd5 19. Ne2 Bxb2 20. Rxd5 Re8 21. Qd1 Qe7 22. Kf1 Be5 23. f4 Bf6 24. Bf3 c6 25. Rd2 Qe3 26. Ng1 Re6 27. Re2 Qc3 28. Kg2 b5 29. axb5 cxb5 30. Bd5 Rxe2+ 31. Qxe2 Kg7 32. Nf3 h6 33. g4 Kf8 34. h4 Bd4 35. g5 h5 36. Kg3 Be3 37. b4 Nd7 38. Qd3 Qxd3 39. cxd3 Bb6 40. Bb7 Nb8 41. Ne5 Bc7 42. Bd5 Kg7 43. Nxf7 Nd7 44. Be6 Nf8 45. Bb3 Nd7 46. d4 a5 47. bxa5 Bxa5 48. Nd6 Be1+ 49. Kh3 Bf2 50. Nxb5 Nb8 51. d5 Nd7 52. d6 Nc5 53. Bc2 Ne6 54. f5 gxf5 55. d7 f4 56. Nc7 Nd8 57. Ne8+ Kf8 58. Nf6 Ke7 59. Bf5 f3 60. Nxh5 Be1 61. Nf4 Nf7 62. g6 Nh6 63. Ne6 Kxd7 64. Nd4+ Ke7 65. Nxf3 Nxf5 66. Nxe1 Kf6 67. Kg4 Nxh4 68. Kxh4 Kxg6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0034.pgn Normal file
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[Result "1-0"]
1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 O-O 8. Bd3 c6 9. Qc2 Nbd7 10. h3 Re8 11. Bg3 a5 12. Nf3 b5 13. O-O Bb7 14. Bf5 Bf8 15. Ne5 Ra6 16. f4 Bc8 17. Bh4 Be7 18. Rac1 Bb7 19. Be1 Bb4 20. Bh4 Nf8 21. Qf2 Be7 22. Bg3 N6d7 23. Bd3 a4 24. a3 Nb6 25. Qf3 f6 26. Ng6 Nc4 27. Nd1 Nd7 28. Nh4 Nd2 29. Qg4 Bf8 30. Bf5 Bc8 31. Qg6 Nxf1 32. Qh7+ Kf7 33. Bg6+ Ke6 34. Nf5 Nb8 35. Kxf1 Ra7 36. Nxh6 Kd7 37. Bxe8+ Qxe8 38. f5 Qh5 39. Qg8 gxh6 40. Qxf8 Qxf5+ 41. Kg1 Rb7 42. Qf7+ Kd8 43. Qf8+ Kd7 44. Nf2 h5 45. Qf7+ Kd8 46. Qf8+ Kd7 47. e4 dxe4 48. Qf7+ Kd8 49. Qf8+ Kd7 50. Re1 c5 51. Nxe4 Kc6 52. Qd6# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0035.pgn Normal file
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[Result "0-1"]
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. a3 Nh6 7. b4 cxd4 8. cxd4 Nf5 9. Be3 f6 10. b5 Nxe5 11. dxe5 Nxe3 12. fxe3 Qxe3+ 13. Qe2 Qc1+ 14. Qd1 Qh6 15. Qd2 fxe5 16. Qxh6 gxh6 17. Nbd2 e4 18. Nxe4 dxe4 19. Nd2 Bg7 20. Rd1 Bc3 21. Rc1 Ba5 22. Ke2 Bd7 23. a4 Ke7 24. Ke3 Bb6+ 25. Kxe4 Be8 26. Nc4 Bg6+ 27. Kf3 Rhf8+ 28. Kg3 Bf2+ 29. Kh3 h5 30. Be2 Bf5+ 31. g4 hxg4+ 32. Bxg4 Bxg4+ 33. Kxg4 Rf5 34. h4 Rg8+ 35. Kh3 Rf4 36. Ne5 Rxh4# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0036.pgn Normal file
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[Result "1-0"]
1. Nf3 d5 2. g3 Nd7 3. d4 Ngf6 4. Bg2 e6 5. O-O c5 6. c4 cxd4 7. cxd5 Nxd5 8. Nxd4 Be7 9. e4 N5f6 10. Qe2 Nb6 11. Rd1 Bd7 12. a4 Rc8 13. Nc3 Bb4 14. Ndb5 O-O 15. Nxa7 Ra8 16. Ncb5 Qe7 17. Bg5 e5 18. a5 Bxb5 19. Nxb5 Rxa5 20. Rxa5 Bxa5 21. Nd6 Rd8 22. Nf5 Rxd1+ 23. Qxd1 Qd7 24. Qf3 Ne8 25. Ne7+ Kf8 26. Qa3 Qd6 27. Qxa5 Nc4 28. Qc3 Qd1+ 29. Bf1 Ncd6 30. Nf5 Nxe4 31. Qb4+ N8d6 32. Nxd6 Nxd6 33. Be3 Kg8 34. Bc5 Nf5 35. Qxb7 g6 36. Qb8+ Kg7 37. Qxe5+ f6 38. Qc7+ Kh6 39. Bf8+ Kg5 40. Qf4+ Kh5 41. h3 h6 42. g4+ Kh4 43. gxf5+ Kh5 44. Qxh6# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0037.pgn Normal file
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[Result "1/2-1/2"]
1. d4 f5 2. g3 Nf6 3. Bg2 d6 4. Nf3 g6 5. O-O Bg7 6. c4 O-O 7. Nc3 c6 8. d5 e5 9. dxe6 Bxe6 10. Qd3 Qe7 11. Bf4 d5 12. Ng5 dxc4 13. Qe3 Re8 14. Nb5 Bd5 15. Qxe7 Rxe7 16. Nc7 Bxg2 17. Kxg2 Rxc7 18. Bxc7 Nd5 19. Bxb8 Rxb8 20. Rac1 b5 21. Rc2 Re8 22. Rd1 a5 23. a4 c3 24. bxc3 Nxc3 25. Rd6 Rc8 26. Rcd2 Be5 27. Re6 Bg7 28. Rdd6 bxa4 29. Rxc6 Rxc6 30. Rxc6 a3 31. Rc8+ Bf8 32. Rxc3 a2 33. Rc1 Bg7 34. Rc8+ Bf8 35. Ne6 Kf7 36. Rc1 Kxe6 37. Ra1 a4 38. Rxa2 a3 39. Rc2 Kd5 40. Rc8 Bc5 41. Kf3 Kc4 42. e4 fxe4+ 43. Kxe4 a2 44. Ra8 Kb3 45. Rxa2 Kxa2 46. f4 Kb3 47. h4 Bf2 48. f5 Bxg3 49. fxg6 hxg6 50. h5 gxh5 51. Kf3 Be5 52. Kg2 Kc4 53. Kh1 Kd3 54. Kg2 Ke2 55. Kh1 Kf3 56. Kg1 h4 57. Kh1 h3 58. Kg1 Kg3 59. Kh1 Bd6 60. Kg1 Be7 61. Kh1 h2 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0038.pgn Normal file
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[Result "0-1"]
1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. c4 O-O 5. Bg2 d6 6. O-O c6 7. Nc3 Bf5 8. Nh4 Be6 9. b3 d5 10. cxd5 Nxd5 11. Nxd5 Bxd5 12. e3 Bxg2 13. Kxg2 c5 14. Nf3 Nc6 15. Bb2 Qd5 16. Rc1 Rfd8 17. Qe2 cxd4 18. exd4 Bxd4 19. Rfd1 e5 20. Kg1 Re8 21. Nxd4 exd4 22. Qd2 Ne5 23. Rc3 Rad8 24. Qc2 Nf3+ 25. Kf1 Ne1 26. Qe2 Qh1# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0039.pgn Normal file
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[Result "0-1"]
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 bxc6 5. O-O Bg7 6. Re1 Qc7 7. e5 f6 8. d4 cxd4 9. Bf4 fxe5 10. Nxe5 d6 11. Nc4 Kf7 12. c3 Nf6 13. cxd4 Rf8 14. Nc3 Kg8 15. Rc1 Rb8 16. Qd2 Rf7 17. h3 Ba6 18. b3 Rbf8 19. Bh2 Qd7 20. Rcd1 Qc8 21. Qg5 Nh5 22. Rd2 Qf5 23. Qe3 Nf6 24. Bg3 Qh5 25. Rdd1 Bh6 26. Qe6 Bc8 27. Qe2 Qf5 28. Bh4 g5 29. Bg3 g4 30. hxg4 Nxg4 31. d5 Bf4 32. Rd3 c5 33. Rf3 Qh5 34. Bxf4 Rxf4 35. Rh3 Qg6 36. Rg3 Rxf2 37. Qxe7 Qh5 38. Rh3 Qf5 39. Ne3 Rxg2+ 40. Nxg2 Qf2+ 41. Kh1 Qf1+ 42. Rxf1 Rxf1# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0040.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c5 2. Nf3 Nc6 3. Bb5 e5 4. O-O Bd6 5. c3 a6 6. Ba4 b5 7. Bb3 c4 8. Bc2 Nf6 9. a4 b4 10. Qe2 a5 11. d3 cxd3 12. Bxd3 h6 13. Rd1 O-O 14. Nbd2 Qe7 15. Nh4 Bc7 16. Bc4 Rd8 17. Nf1 d6 18. Ne3 Kh7 19. Nhf5 Qf8 20. Qf3 Ne7 21. Nxe7 Qxe7 22. cxb4 axb4 23. Nd5 Nxd5 24. Bxd5 Rb8 25. Qxf7 Qxf7 26. Bxf7 Rf8 27. Bd5 Bb6 28. Be3 Bxe3 29. fxe3 Ba6 30. Rac1 Rbc8 31. h3 Rc5 32. b3 Rc3 33. Be6 Rf6 34. Rxc3 bxc3 35. Bc4 Bxc4 36. bxc4 Rf7 37. Rc1 Ra7 38. Rxc3 Rxa4 39. c5 dxc5 40. Rxc5 Rxe4 41. Kf2 Kg6 42. Kf3 Ra4 43. Rxe5 Kf6 44. Rc5 Ra6 45. h4 Rb6 46. Rd5 Ke6 47. Ra5 Kf6 48. g3 Rc6 49. e4 Rc1 50. Kf4 Rf1+ 51. Kg4 Re1 52. Ra6+ Kf7 53. Kf5 Rf1+ 54. Ke5 h5 55. Ra5 Rf3 56. Kd6 Rxg3 57. Ra7+ Kg6 58. e5 Rd3+ 59. Ke7 Rd4 60. e6 Rxh4 61. Kf8 Rb4 62. e7 Rf4+ 63. Kg8 Re4 64. Ra6+ Kf5 65. Kf7 Rxe7+ 66. Kxe7 h4 67. Kf7 h3 68. Ra3 Kg4 69. Kg6 h2 70. Ra1 Kg3 71. Kg5 Kg2 72. Kg4 h1=Q 73. Ra2+ Kf1 74. Ra1+ Kg2 75. Rxh1 Kxh1 76. Kg5 g6 77. Kxg6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0041.pgn Normal file
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[Result "1-0"]
1. e4 c6 2. d4 d5 3. e5 c5 4. Nf3 Bg4 5. dxc5 Nc6 6. c3 e6 7. b4 Bxf3 8. Qxf3 Nxe5 9. Bb5+ Nc6 10. Nd2 Be7 11. Nb3 Bf6 12. h4 Ne7 13. Bg5 Be5 14. Na5 Qc7 15. Bxe7 Kxe7 16. Bxc6 bxc6 17. Kf1 Rhe8 18. Re1 Bf6 19. g4 g6 20. g5 Bg7 21. h5 Kf8 22. hxg6 hxg6 23. Rh7 e5 24. Re3 Qd7 25. Qh1 Qg4 26. Rh8+ Ke7 27. Nxc6+ Ke6 28. Rxe8+ Rxe8 29. Nd4+ Ke7 30. Qxd5 Kf8 31. Rf3 Re7 32. Nc6 Rd7 33. Rxf7+ Rxf7 34. Qd8# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0042.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 d6 3. Nc3 a6 4. a4 Nf6 5. Be2 e5 6. Bc4 Be7 7. d3 h6 8. h3 Nc6 9. Bd2 O-O 10. Nh2 Be6 11. Ng4 Rb8 12. Ne3 Nd4 13. a5 Kh8 14. O-O Nh7 15. Ncd5 Bg5 16. Nb6 Nf6 17. b4 cxb4 18. Bxb4 Nc6 19. Qb1 Nxb4 20. Qxb4 Nh5 21. Bxe6 fxe6 22. Nbc4 Be7 23. Qb6 Qd7 24. g3 Rfc8 25. Qb3 Qb5 26. Rab1 Rc5 27. Qa2 Qc6 28. Rb6 Qc7 29. Rfb1 d5 30. Nd2 Bg5 31. Ndf1 Qf7 32. Ng4 dxe4 33. dxe4 Qf3 34. Rxb7 Rf8 35. Rb8 Bd8 36. Qb3 Rc3 37. Qb4 Rxc2 38. Rb3 Qf7 39. Rd3 Rxf2 40. Qxf8+ Qxf8 41. Nxf2 Kh7 42. Rdxd8 Qc5 43. Kg2 Nf6 44. Nd2 Qxa5 45. Nf3 Qc3 46. Nh4 Nxe4 47. Rh8# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0043.pgn Normal file
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[Result "0-1"]
1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Bxc4 Nc6 6. O-O Be6 7. Bb5 Bc5 8. b4 Bb6 9. a4 a6 10. Bxc6+ bxc6 11. Bb2 Bg4 12. a5 Ba7 13. Qd3 Bxf3 14. Qxf3 Nf6 15. Rc1 O-O 16. Nd2 Qd7 17. Qd3 Rfb8 18. Ba3 Rb5 19. Rc4 Rab8 20. Rac1 Ng4 21. Nf3 c5 22. h3 Nf6 23. Nd2 cxb4 24. Rxc7 Qd6 25. R1c6 Qf8 26. Bb2 Bc5 27. Nb3 Bd6 28. Ra7 Re5 29. Raxa6 Nxe4 30. Qxd4 Re6 31. g3 Rbe8 32. Qc4 Nxg3 33. Nd4 Re1+ 34. Kg2 Qe7 35. Nf3 Re4 36. Qd5 Bb8 37. Qg5 Qxg5 38. Nxg5 Re2 39. Bd4 Nf5 40. Nf3 h5 41. Rc5 Nxd4 42. Nxd4 R2e4 43. Nf3 g6 44. Rb5 Bf4 45. Rab6 Re2 46. Kf1 Ra2 47. Rxb4 Bc7 48. Rb7 Ree2 49. Rxc7 Rxf2+ 50. Kg1 Rxf3 51. Rb5 Rg3+ 52. Kf1 Rxh3 53. Kg1 h4 54. Rbb7 Rg3+ 55. Kh1 Rf3 56. Rc1 h3 57. a6 Rff2 58. a7 Rh2+ 59. Kg1 Rag2+ 60. Kf1 Rh1# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0044.pgn Normal file
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[Result "1-0"]
1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Nc6 6. Bd3 Bd7 7. dxc5 Qc7 8. Qe2 Bxc5 9. O-O f6 10. Bf4 Qb6 11. b4 Be7 12. a4 a5 13. b5 Nxe5 14. Nxe5 fxe5 15. Qh5+ Kf8 16. Bxe5 Nf6 17. Qf3 Kf7 18. Qg3 Nh5 19. Qf3+ Nf6 20. Qg3 Nh5 21. Qh3 Nf6 22. Nd2 h5 23. Nf3 Bd6 24. Rae1 Ng4 25. Qg3 Bxe5 26. Rxe5 Qd8 27. Rg5 Qb8 28. h3 Qxg3 29. fxg3 Nf6 30. Ne5+ Ke8 31. Rxg7 Rf8 32. Bg6+ Kd8 33. Rxf6 Rxf6 34. Rxd7+ Kc8 35. b6 Rxg6 36. Rc7+ Kb8 37. Nd7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0045.pgn Normal file
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[Result "1/2-1/2"]
1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. g3 Be7 5. Bg2 Ne4 6. O-O f5 7. b3 Nc6 8. Na3 O-O 9. Nc2 a5 10. Bb2 b6 11. Nce1 dxc4 12. bxc4 Ba6 13. Nd2 Nxd2 14. Qxd2 Qd6 15. Qc3 Rad8 16. c5 Qxd4 17. Bxc6 Qxc3 18. Bxc3 Bxe2 19. cxb6 cxb6 20. Rc1 Bf6 21. Bxf6 Rxf6 22. Nf3 Bxf1 23. Kxf1 Rd3 24. Rb1 Ra3 25. Rxb6 Rxa2 26. Ne5 f4 27. Bd7 Kf8 28. Ng4 Rg6 29. Ne5 Rf6 30. Ng4 Ra1+ 31. Ke2 f3+ 32. Ke3 Re1+ 33. Kd2 Re2+ 34. Kd3 Rg6 35. Bc6 e5 36. Rb8+ Ke7 37. Bxf3 Ra2 38. Rb5 e4+ 39. Kxe4 Re6+ 40. Kf5 g6+ 41. Kg5 Ra6 42. Rb7+ Kd6 43. Rxh7 a4 44. Rg7 Ra5+ 45. Kxg6 a3 46. Ne3 Ra6 47. Kh7 Ra4 48. Rg6+ Kc5 49. Rg5+ Kd6 50. Rg6+ Kc5 51. Nc2 Rxc2 52. Rc6+ Kd4 53. Rxc2 a2 54. Rc1 a1=Q 55. Rxa1 Rxa1 56. Kg6 Ra2 57. h4 Rxf2 58. Bc6 Ke5 59. Bd7 Rf6+ 60. Kg5 Rf7 61. Be8 Rf5+ 62. Kg6 Rf6+ 63. Kg7 Rf3 64. g4 Kf4 65. Bd7 Rh3 66. h5 Kg5 67. Be8 Kxg4 68. Bd7+ Kxh5 69. Bxh3 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0046.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qe3 g6 6. c4 Bg7 7. Nc3 Nf6 8. Be2 O-O 9. O-O Bg4 10. Rb1 Nd7 11. b3 Qb6 12. Nd5 Qxe3 13. Bxe3 Rfc8 14. Nd4 Bxe2 15. Nxe2 Kf8 16. Rfd1 Rab8 17. Rbc1 b6 18. Nec3 Nc5 19. f3 Be5 20. Kf2 e6 21. Nf4 Nb4 22. a3 Nc6 23. b4 Nb3 24. Rb1 Ncd4 25. Nce2 Rxc4 26. Rd3 g5 27. Nh3 Rc2 28. Ng1 h6 29. g3 Rbc8 30. f4 Bf6 31. Rbxb3 Nxb3 32. Rxb3 g4 33. Rd3 Ke7 34. Bd2 Ra2 35. Ke3 Ra1 36. b5 Ke8 37. h3 h5 38. hxg4 hxg4 39. Bb4 Be7 40. Bxd6 Bxd6 41. Rxd6 Rxa3+ 42. Rd3 Ra1 43. Rb3 Ke7 44. e5 Rc5 45. Rb2 Kd7 46. Kf2 Ra4 47. Rd2+ Kc7 48. Nd4 Rd5 49. Nge2 Kb7 50. Ke3 a6 51. Nc3 Ra3 52. Rd3 Rd7 53. bxa6+ Kxa6 54. Ne4 Rxd3+ 55. Kxd3 Ka5 56. Nd6 Rc7 57. Nc4+ Kb4 58. Nxb6 Rc3+ 59. Ke4 Rxg3 60. Nc8 Rc3 61. Nd6 g3 62. Ne2 g2 63. Nxf7 Rc1 64. Kf3 Re1 65. Kxg2 Rxe2+ 66. Kf3 Ra2 67. Ng5 Ra6 68. f5 exf5 69. Kf4 Kc4 70. Kxf5 Ra5 71. Kf6 Rxe5 72. Kxe5 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0047.pgn Normal file
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[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 Qe7 5. Qxe4 d6 6. d4 dxe5 7. dxe5 Nc6 8. Nc3 Qxe5 9. Qxe5+ Nxe5 10. Bf4 Bd6 11. Bg3 h5 12. O-O-O f6 13. Nb5 h4 14. Nxd6+ cxd6 15. Bf4 g5 16. Be3 Ke7 17. h3 Bf5 18. Rd4 Rac8 19. c3 Be6 20. Kb1 Bc4 21. f4 gxf4 22. Rxf4 Bd5 23. Bf2 Rcg8 24. Bxh4 Rh6 25. Rh2 Ke6 26. g3 f5 27. Bg2 Bxg2 28. Rxg2 Rc8 29. Re2 b5 30. Kc2 Rc4 31. Rd4 a6 32. Kb3 Rh7 33. Rxc4 bxc4+ 34. Ka4 Kd5 35. Rf2 Rb7 36. b4 cxb3 37. axb3 Nd3 38. Rd2 Ke4 39. b4 d5 40. Bf6 Ke3 41. Bg5+ f4 42. Rc2 d4 43. gxf4 dxc3 44. Rxc3 Rxb4+ 45. Ka5 Rb5+ 46. Kxa6 Rf5 47. h4 Kd4 48. Ra3 Nxf4 49. Kb7 Ne6 50. Rg3 Nxg5 51. hxg5 Rf7+ 52. Kc6 Ke5 53. Re3+ Kf5 54. Rf3+ Kg6 55. Rxf7 Kxf7 56. g6+ Kxg6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0048.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 e6 8. Ne5 Bh7 9. Qh5 Qc7 10. Bd3 Bxd3 11. Nxd3 Nf6 12. Qe2 Bd6 13. Ne4 Nbd7 14. Bd2 Nxe4 15. Qxe4 Nf6 16. Qf3 Qb6 17. c3 Qa6 18. O-O O-O 19. b3 Rfd8 20. c4 Be7 21. Bc3 Nd7 22. Qg3 Bf8 23. a4 Qb6 24. b4 Rac8 25. Rfe1 Qc7 26. Qf3 Nb6 27. Ne5 Qe7 28. Re4 f5 29. Re2 Qxh4 30. a5 Nd7 31. Ng6 Qg4 32. Qxg4 fxg4 33. Rxe6 Re8 34. d5 cxd5 35. cxd5 Red8 36. Bd4 Rc4 37. Rd1 Bxb4 38. a6 bxa6 39. Ne7+ Kf7 40. Nf5 Nb6 41. Bxg7 Rxd5 42. Rf6+ Kg8 43. Rxd5 Nxd5 44. Rg6 Nf4 45. Nxh6+ Kh7 46. Rxg4 Bd6 47. g3 Nh3+ 48. Kg2 Rxg4 49. Nxg4 Kxg7 50. Kxh3 a5 51. Ne3 a4 52. Kg4 Kf6 53. Kf3 a3 54. Ke4 a2 55. Nc2 Ke6 56. Kd4 Be5+ 57. Kc5 Kd7 58. Kb5 Kc7 59. Ka6 Kb8 60. f4 a1=Q+ 61. Nxa1 Bxa1 62. g4 Bb2 63. g5 Bc1 64. g6 Bb2 65. f5 Bc3 66. Kb5 Kb7 67. Kc4 Bb2 68. Kd5 a5 69. Ke6 a4 70. f6 a3 71. g7 a2 72. g8=Q a1=Q 73. Qg2+ Kb6 74. Qd5 Qe1+ 75. Kd7 Qc3 76. Qd6+ Kb7 77. Qd5+ Ka7 78. Qc6 Qh3+ 79. Qe6 Qd3+ 80. Ke8 Qb5+ 81. Qd7+ Qxd7+ 82. Kxd7 Bxf6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0049.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. c4 Nc6 3. Ne2 Nf6 4. Nbc3 e6 5. d4 cxd4 6. Nxd4 Bb4 7. Nxc6 bxc6 8. Bd3 d5 9. cxd5 exd5 10. exd5 Nxd5 11. O-O O-O 12. Nxd5 cxd5 13. Be3 Be6 14. a3 Be7 15. b4 Bf6 16. Rc1 d4 17. Bf4 g6 18. Qf3 Bd5 19. Qg3 Bh4 20. Qh3 Be6 21. Qf3 Bd5 22. Be4 Bxe4 23. Qxe4 Re8 24. Qd3 Qd5 25. Rfd1 Bf6 26. Rc5 Qe4 27. Qxe4 Rxe4 28. g3 Rd8 29. Rc7 Re7 30. Rxe7 Bxe7 31. Be5 Rd5 32. Bc7 d3 33. Kg2 Bf6 34. Kf3 Bb2 35. a4 Bc3 36. b5 Rd7 37. Bf4 Rd4 38. Be3 Rxa4 39. Rxd3 Be5 40. Rd7 Ra5 41. Rb7 a6 42. b6 Rb5 43. Ke4 Kg7 44. f4 Bd6 45. Bd4+ Kf8 46. Bf6 Ba3 47. Rb8# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0050.pgn Normal file
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[Result "1-0"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc5 5. Nxe5 Nxe5 6. d4 Bd6 7. dxe5 Bxe5 8. f4 Bxc3+ 9. bxc3 Nxe4 10. Qd4 O-O 11. O-O d5 12. c4 Qf6 13. Qxf6 Nxf6 14. Ba3 a6 15. Ba4 dxc4 16. Bxf8 Kxf8 17. c3 Bf5 18. Bd1 Bd3 19. Re1 Nd5 20. Bf3 Rd8 21. Re5 c6 22. Bxd5 cxd5 23. Kf2 Rd6 24. Ke3 f6 25. Rh5 Re6+ 26. Kd4 Ke7 27. Rh3 Kd6 28. Re3 Be4 29. a4 b6 30. g4 f5 31. gxf5 Rh6 32. Ra2 Bxf5 33. Rb2 Kc6 34. Re5 Be4 35. f5 Rh3 36. Re6+ Kd7 37. Rbxb6 Bxf5 38. Re3 Rxh2 39. Kxd5 Rd2+ 40. Kc5 a5 41. Rb7+ Kc8 42. Rxg7 h5 43. Rg8+ Kc7 44. Rh8 Bd3 45. Re7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0051.pgn Normal file
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[Result "1/2-1/2"]
1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 c6 9. Ne5 h6 10. Bh4 Qb6 11. Nxd7 Nxd7 12. Qc2 Be7 13. Bxe7 Kxe7 14. O-O Rhe8 15. Na4 Qc7 16. Rfc1 Kf8 17. b4 Kg8 18. Nc5 Nxc5 19. Qxc5 Qd7 20. a4 Rec8 21. Rab1 Qd8 22. h3 Qg5 23. Kf1 Qd8 24. Qc2 Qd6 25. Kg1 Bd7 26. Qd2 Ra7 27. Rc5 Raa8 28. h4 Re8 29. g3 h5 30. Rcc1 g6 31. Re1 Re7 32. Qc3 Rae8 33. Bf1 Qf6 34. b5 axb5 35. axb5 Kg7 36. Rec1 g5 37. bxc6 bxc6 38. hxg5 Qxg5 39. Bg2 h4 40. e4 hxg3 41. fxg3 Rxe4 42. Bxe4 Rxe4 43. Re1 Rg4 44. Rb3 Bf5 45. Re5 Qg6 46. Qe3 Be4 47. Kf2 Qf6+ 48. Ke1 c5 49. Rb8 cxd4 50. Qxd4 Bf3 51. Rg5+ Rxg5 52. Rg8+ Kxg8 53. Qxf6 Rxg3 54. Kf2 Rg6 55. Qd8+ Kg7 56. Kxf3 Re6 57. Kf4 Rg6 58. Kf5 Re6 59. Qh4 Rg6 60. Qd4+ Kg8 61. Qxd5 Re6 62. Qd4 Rg6 63. Ke5 Re6+ 64. Kd5 Rg6 65. Qb2 Re6 66. Qb8+ Kg7 67. Qf4 Rg6 68. Qf5 Kg8 69. Ke5 Re6+ 70. Kf4 Rg6 71. Qc2 Kg7 72. Qc3+ Kg8 73. Qc8+ Kg7 74. Qd8 Re6 75. Kf5 Rg6 76. Qe7 Kg8 77. Qe5 Re6 78. Qg3+ Rg6 79. Qxg6+ fxg6+ 80. Kxg6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0052.pgn Normal file
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[Result "1/2-1/2"]
1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O Nf6 6. c4 dxc4 7. Qa4 Bd7 8. Qxc4 cxd4 9. Nxd4 Rc8 10. Nc3 Nxd4 11. Qxd4 Bc5 12. Qh4 Bc6 13. Rd1 Qa5 14. Bg5 Be7 15. Bxc6+ Rxc6 16. Ne4 Qe5 17. Nxf6+ Bxf6 18. Bxf6 Qxf6 19. Qxf6 gxf6 20. Rac1 Rxc1 21. Rxc1 Kd7 22. Kg2 Rg8 23. f4 f5 24. Rc3 f6 25. Ra3 a6 26. Rd3+ Kc7 27. Kh3 Rg6 28. Rc3+ Kd7 29. Rd3+ Kc7 30. b4 Rh6+ 31. Kg2 Rg6 32. a4 Rg7 33. Kh3 Rd7 34. Re3 Kd6 35. Kh4 Ke7 36. Kh5 Rd4 37. Kh6 Rxb4 38. a5 Rb5 39. Rc3 Rxa5 40. Rc7+ Kd6 41. Rxb7 Ra2 42. Rb6+ Kd5 43. Kxh7 Rxe2 44. Rxa6 Rxh2+ 45. Kg6 Rh3 46. Ra3 e5 47. Kxf6 exf4 48. Ra5+ Ke4 49. Ra4+ Kf3 50. Rxf4+ Kxg3 51. Kxf5 Rh5+ 52. Kg6 Kxf4 53. Kxh5 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0053.pgn Normal file
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[Result "1/2-1/2"]
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. Qc2 Nbd7 8. O-O c6 9. Rd1 b6 10. Bf4 Bb7 11. Ne5 Nxe5 12. dxe5 Nd7 13. cxd5 exd5 14. e4 d4 15. Rxd4 Bc5 16. Rd1 Qe7 17. Qc3 Rfe8 18. Nd2 g5 19. e6 fxe6 20. Be3 Bxe3 21. Qxe3 Ne5 22. f4 Ng4 23. Qc3 c5 24. Bf3 Nh6 25. Nc4 Rad8 26. Qe3 gxf4 27. gxf4 Rxd1+ 28. Rxd1 Rd8 29. Rxd8+ Qxd8 30. f5 Qf6 31. Qf4 Nf7 32. e5 Qg7+ 33. Kf1 Ba6 34. Be2 Bxc4 35. Bxc4 Qxe5 36. Qxe5 Nxe5 37. Bxe6+ Kg7 38. Ke2 Kf6 39. Ke3 Ng4+ 40. Kf4 Nxh2 41. Bc4 h5 42. Be2 Ng4 43. Bxg4 hxg4 44. Kxg4 b5 45. Kf4 c4 46. a3 a5 47. Ke4 b4 48. axb4 axb4 49. Kd4 c3 50. bxc3 bxc3 51. Kxc3 Kxf5 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0054.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. Qd2 Nbd7 9. f3 h5 10. O-O-O Be7 11. Kb1 b5 12. a4 bxa4 13. Nxa4 O-O 14. Na5 d5 15. exd5 Bxd5 16. c4 Be6 17. Nc6 Qe8 18. Nxe7+ Qxe7 19. Qd6 Qd8 20. Bd3 Qa5 21. Qa3 Rfc8 22. b3 Rab8 23. Ka2 e4 24. fxe4 Nxe4 25. Bd4 Ne5 26. Bxe5 Qxe5 27. Rhe1 Nc3+ 28. Nxc3 Qxc3 29. Re2 Rd8 30. Rc2 Qe5 31. Rcd2 g6 32. Bc2 Rdc8 33. Rd4 Rc5 34. Qb2 Qc7 35. Qc3 a5 36. Qg3 Qxg3 37. hxg3 Kg7 38. Re1 a4 39. Re3 axb3+ 40. Bxb3 Rbc8 41. Rc3 Re5 42. Rd2 Re4 43. Rdc2 Rc5 44. Ka3 Rg4 45. Kb4 Rcg5 46. Ba4 Kf8 47. Bc6 Rxg3 48. Bf3 h4 49. c5 h3 50. gxh3 Rxh3 51. c6 Rgg3 52. Rf2 Ke7 53. c7 g5 54. Re2 Rh8 55. Ra3 Rc8 56. Rc2 g4 57. Bb7 Rxa3 58. Kxa3 f5 59. Kb4 f4 60. Bxc8 Bxc8 61. Kc5 g3 62. Kd4 f3 63. Ke3 f2 64. Rc1 Bb7 65. Rd1 Ke6 66. Ke2 Ke7 67. Ke3 Ke6 68. Ke2 Ke7 69. Rb1 Ba6+ 70. Kf3 Kd7 71. Kxg3 f1=Q 72. c8=Q+ Kxc8 73. Rxf1 Bxf1 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0055.pgn Normal file
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[Result "1-0"]
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 a6 6. Be3 Nbd7 7. Qd2 O-O 8. h4 h5 9. O-O-O b5 10. e5 Ne8 11. g4 c5 12. exd6 cxd4 13. Bxd4 Ne5 14. gxh5 Nxd6 15. Bxe5 Bxe5 16. hxg6 fxg6 17. Qd5+ Nf7 18. Qe4 Qb6 19. Nd5 Qd6 20. f4 Bf5 21. fxe5 Nxe5 22. Qe3 bxc4 23. Nf3 Nd3+ 24. Bxd3 Bxd3 25. Nxe7+ Kg7 26. Ng5 Rfe8 27. Ne6+ Kh7 28. h5 Rg8 29. hxg6# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0056.pgn Normal file
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[Result "0-1"]
1. Nf3 c5 2. c4 Nc6 3. Nc3 e5 4. g3 g6 5. Bg2 Bg7 6. d3 Nge7 7. h4 h6 8. Bd2 O-O 9. Qc1 Kh7 10. Ne4 d6 11. h5 g5 12. Nfxg5+ hxg5 13. h6 Bh8 14. Nxg5+ Kg6 15. Bf3 Kf5 16. Bh5 f6 17. g4# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0057.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O 9. Qd3 Be6 10. Rd1 Nbd7 11. a4 Qc7 12. Nd5 Bxd5 13. exd5 Rac8 14. c4 a5 15. Qh3 Rfe8 16. Be3 g6 17. Ra3 h5 18. Rf1 Bf8 19. Qh4 Bg7 20. h3 e4 21. Nd4 Ne5 22. Rc3 Qd7 23. Nb5 Nh7 24. Bd4 f5 25. Qg3 Kh8 26. f4 exf3 27. gxf3 f4 28. Qxf4 Qxh3 29. Qh2 Qxh2+ 30. Kxh2 Ng4+ 31. fxg4 Rxe2+ 32. Kh1 hxg4 33. Bxg7+ Kxg7 34. Nxd6 Rh8 35. Rf7+ Kg8 36. Rxb7 Ng5+ 37. Kg1 Rhh2 38. Rbb3 Nh3+ 39. Rxh3 gxh3 40. Rg3 Rxb2 41. Rxg6+ Kh7 42. Rg3 Rhg2+ 43. Rxg2 Rxg2+ 44. Kh1 Rc2 45. Nb7 Rxc4 46. d6 Rd4 47. Kh2 Rd3 48. Nxa5 Kg6 49. Nc4 Kf6 50. a5 Rc3 51. d7 Ke7 52. Ne5 Re3 53. Ng6+ Kxd7 54. Nf4 Ra3 55. Nxh3 Ke6 56. Kg2 Kf5 57. Nf2 Rxa5 58. Kf3 Ra3+ 59. Ke2 Kf4 60. Nd3+ Ke4 61. Nf2+ Kd4 62. Ng4 Rb3 63. Nf2 Re3+ 64. Kd2 Re8 65. Nd3 Ra8 66. Ne1 Ra2+ 67. Kd1 Kc3 68. Nf3 Rf2 69. Ne1 Rd2+ 70. Kc1 Rd7 71. Nf3 Rf7 72. Ne1 Ra7 73. Kd1 Re7 74. Nf3 Re6 75. Ne1 Re3 76. Ng2 Re7 77. Ne1 Rxe1+ 78. Kxe1 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0058.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 a6 7. Qf3 Nf6 8. O-O-O Bb4 9. Nxc6 bxc6 10. Bd4 Bd6 11. Na4 Be5 12. Bxe5 Qxe5 13. Nb6 Rb8 14. Nc4 Qg5+ 15. Kb1 O-O 16. e5 Nd5 17. h4 Qe7 18. Kc1 a5 19. Rh3 Ba6 20. Qa3 Rb4 21. Nxa5 Bxf1 22. Rxf1 Qc5 23. Nb3 Qc4 24. Nd2 Qe2 25. c3 Rf4 26. Qc5 Ra4 27. a3 Rb8 28. c4 Rxb2 29. Kxb2 Qxd2+ 30. Kb3 Ra8 31. Qd6 Qa5 32. Rc1 Qb6+ 33. Kc2 Qxf2+ 34. Kb1 Qxg2 35. Ka1 Rb8 36. Qxb8# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0059.pgn Normal file
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@@ -0,0 +1,3 @@
[Result "0-1"]
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Be7 6. Nc3 O-O 7. Ne5 c5 8. dxc5 Qc7 9. Nxc4 Qxc5 10. Qb3 Nc6 11. Be3 Nd4 12. Bxd4 Qxd4 13. O-O Rb8 14. Rfd1 Qc5 15. Rac1 Bd7 16. Ne4 Nxe4 17. Bxe4 Rfd8 18. Nd6 Qe5 19. f4 Qa5 20. Nxb7 Qa6 21. Kh1 Rdc8 22. Qd3 Bb5 23. Rxc8+ Rxc8 24. Qe3 Bxe2 25. Rd7 Qa4 26. Rd4 Qb5 27. b3 Qb6 28. Qd2 Bb5 29. Nd6 Rc1+ 30. Kg2 Bf1+ 31. Kf3 Qc5 32. Nc4 Qh5+ 33. Ke3 g5 34. Qxc1 Qe2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0060.pgn Normal file
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[Result "0-1"]
1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 h6 6. Bf4 Nf6 7. e3 Bd6 8. Bxd6 Qxd6 9. Bd3 O-O 10. O-O Nc6 11. Rc1 Ne7 12. Qc2 c6 13. Na4 g6 14. Nc5 Qc7 15. b4 Bf5 16. a4 Rfc8 17. Qb3 Bxd3 18. Qxd3 Nf5 19. b5 cxb5 20. axb5 a5 21. b6 Qe7 22. Qb3 Nd6 23. Ne5 Qd8 24. h3 Qe7 25. Rc2 Rd8 26. Rfc1 Rdc8 27. Ra1 Nf5 28. Ng4 Rc6 29. Nxf6+ Rxf6 30. Rca2 Kg7 31. Qb5 Rc6 32. Rxa5 Nd6 33. Qb3 Rxa5 34. Rxa5 Nc4 35. Rb5 f5 36. Nd3 Qd6 37. Nf4 Nxb6 38. g3 h5 39. Nxd5 Nxd5 40. Rxd5 Rc1+ 41. Kg2 Qa6 42. Rb5 Qa1 43. Rxb7+ Kh6 44. Kf3 Rg1 45. Rf7 g5 46. Qb7 Qd1# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0061.pgn Normal file
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[Result "0-1"]
1. d4 d6 2. Nf3 g6 3. c4 Bg7 4. Nc3 Nd7 5. e4 e5 6. Be2 Nh6 7. O-O O-O 8. h3 c6 9. dxe5 dxe5 10. Qc2 f5 11. Bg5 Qe8 12. Rad1 Nf7 13. Bc1 f4 14. b4 Nf6 15. Ba3 Kh8 16. c5 g5 17. Bc4 g4 18. hxg4 Nxg4 19. Qb3 Qe7 20. Nb1 Ng5 21. Nbd2 Ne6 22. Bb2 b5 23. cxb6 axb6 24. a4 Rf6 25. Nxe5 Nxe5 26. Bxe5 Rg6 27. Nf3 Ng5 28. Bxg7+ Rxg7 29. Be2 Be6 30. Qc3 Rg8 31. Qe5 Nf7 32. Qc3 Bh3 33. Ne1 Bxg2 34. Nxg2 Ne5 35. Bf3 Rxg2+ 36. Bxg2 f3 37. Rd8 Rxd8 38. Bh3 Rd6 39. Kh2 Qg7 40. Qe3 Rh6 41. Qf4 Qg2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0062.pgn Normal file
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[Result "1/2-1/2"]
1. Nf3 Nf6 2. g3 b5 3. Bg2 Bb7 4. O-O e6 5. d3 d5 6. b3 Be7 7. c4 a6 8. cxd5 Bxd5 9. Nc3 Bb7 10. d4 O-O 11. a3 c5 12. dxc5 Bxc5 13. b4 Be7 14. Qxd8 Rxd8 15. Be3 Nbd7 16. h3 h6 17. Rac1 Rdc8 18. Rfd1 Bc6 19. Bd4 Kf8 20. Nd2 Bxg2 21. Kxg2 Rc7 22. Nce4 Rac8 23. Rxc7 Rxc7 24. Nxf6 Bxf6 25. Ne4 Bxd4 26. Rxd4 Ke7 27. f4 f5 28. Nf2 Rc2 29. e4 Nb6 30. exf5 exf5 31. Kf3 Ra2 32. Rd3 Nc4 33. g4 g6 34. h4 h5 35. gxh5 gxh5 36. Nh1 Nd2+ 37. Ke3 Ne4 38. Kd4 Ke6 39. Ng3 Nd6 40. Kc5 Rc2+ 41. Kb6 Rg2 42. Kxa6 Ne4 43. Nxh5 Rg4 44. Kxb5 Kf7 45. Rd7+ Kg6 46. Ng7 Rxf4 47. h5+ Kh6 48. Kc6 Rf3 49. a4 Rc3+ 50. Kb6 f4 51. Nf5+ Kxh5 52. Nd4 Rd3 53. a5 f3 54. Rf7 f2 55. Nc6 Rd1 56. Rxf2 Nxf2 57. a6 Ra1 58. a7 Rxa7 59. Kxa7 Ne4 60. b5 Nd6 61. b6 Nc8+ 62. Ka6 Nxb6 63. Kxb6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0063.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. h4 h5 5. d4 cxd4 6. Nxd4 e5 7. Nb3 d6 8. Nc3 Be6 9. Bg5 Be7 10. Qd2 a6 11. Bxc6+ bxc6 12. O-O-O f6 13. Be3 Rb8 14. f4 Bxb3 15. cxb3 exf4 16. Bxf4 Qa5 17. Kb1 Rd8 18. Qe2 Qc5 19. Be3 Qa5 20. Qc4 Rc8 21. b4 Qc7 22. Qxa6 Nh6 23. Bxh6 Rxh6 24. b5 Rh7 25. Rc1 Bf8 26. Nd5 cxd5 27. Qxc8+ Qd8 28. b6 dxe4 29. b7 Qxc8 30. bxc8=Q+ Ke7 31. Rc6 e3 32. Rc7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0064.pgn Normal file
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[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 a6 6. O-O d6 7. a4 Ba7 8. Re1 O-O 9. h3 h6 10. Nbd2 Re8 11. b4 Be6 12. Bxe6 Rxe6 13. Bb2 Ne7 14. Nf1 Ng6 15. c4 Nf4 16. Ng3 N6h5 17. Nxh5 Nxh5 18. Bc1 Qf6 19. Be3 Nf4 20. Kh2 Ree8 21. a5 Ne6 22. Ra2 c6 23. Bxa7 Rxa7 24. g3 Raa8 25. Kg2 Rad8 26. Qe2 Ng5 27. Nxg5 Qxg5 28. Qf3 Qf6 29. Qxf6 gxf6 30. b5 cxb5 31. cxb5 axb5 32. Rb1 d5 33. Rxb5 dxe4 34. dxe4 Re7 35. Rb6 Kg7 36. a6 bxa6 37. Raxa6 Re6 38. Rxe6 fxe6 39. Rxe6 h5 40. Ra6 Rd4 41. Kf3 Rd3+ 42. Kg2 Rd4 43. Kf3 Rd3+ 44. Ke2 Rb3 45. Rd6 Rb1 46. Rd3 Rh1 47. Kf3 Kg6 48. Ra3 Kg7 49. Kg2 Re1 50. Re3 Ra1 51. Rf3 Ra4 52. Re3 Ra1 53. f4 exf4 54. gxf4 h4 55. e5 fxe5 56. Rxe5 Ra3 57. Rh5 Kg6 58. Rxh4 Kf5 59. Rg4 Rb3 60. Kh2 Ra3 61. Rh4 Rf3 62. Rh8 Kxf4 63. Rf8+ Ke4 64. Re8+ Kf5 65. Rf8+ Ke4 66. Rg8 Ra3 67. Rf8 Rf3 68. Rg8 Ra3 69. h4 Kf4 70. Kg2 Ra2+ 71. Kh3 Ra3+ 72. Kg2 Ra2+ 73. Kf1 Rh2 74. Rh8 Kg4 75. Rg8+ Kxh4 76. Rh8+ Kg3 77. Rxh2 Kxh2 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0065.pgn Normal file
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[Result "0-1"]
1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Nf3 e6 5. O-O a6 6. Bd3 Nc6 7. b3 d6 8. Bb2 Nf6 9. Qe2 Be7 10. e5 dxe5 11. Nxe5 Nb4 12. Rae1 O-O 13. Ne4 Nfd5 14. a3 Nxd3 15. Nxd3 b6 16. Qf3 Bb7 17. c4 Nc7 18. Qg4 Ne8 19. Qe2 Rc8 20. f4 Rc7 21. Bc3 a5 22. a4 Bxe4 23. Qxe4 Nd6 24. Qf3 Nf5 25. Kh1 Bf6 26. g4 Nd4 27. Bxd4 Bxd4 28. f5 exf5 29. Qxf5 Re7 30. Nf4 Rxe1 31. Rxe1 Qh4 32. Ng2 Qh3 33. d3 g6 34. Qe4 h5 35. gxh5 Qxh5 36. Nf4 Qh6 37. Rf1 Qh4 38. Rf3 Qg4 39. Rf1 Kg7 40. Qe7 Kg8 41. Nd5 Qh3 42. Qe2 Kg7 43. Rf3 Qh5 44. Nf4 Qg4 45. Nh3 Kg8 46. Qf1 Be5 47. Re3 Bd6 48. Re4 Qh5 49. Kg2 Kg7 50. Qa1+ f6 51. Qe1 Rh8 52. Qe3 Be5 53. d4 cxd4 54. Qd3 Qf5 55. Nf4 Bxf4 56. Re7+ Kh6 57. Qxd4 Kg5 58. Qd5 Rxh2+ 59. Kf3 Be5+ 60. Ke3 Qf4+ 61. Kd3 Rd2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0066.pgn Normal file
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[Result "1-0"]
1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 c6 5. g3 d5 6. Bg2 O-O 7. O-O a5 8. d3 a4 9. Nbd2 Bg4 10. cxd5 a3 11. Bd4 cxd5 12. Ne5 Bf5 13. Ndf3 Na6 14. b4 Nxb4 15. Rb1 Qd6 16. Qb3 Nc6 17. Nxc6 bxc6 18. Qc3 Bg4 19. Ne5 Bd7 20. Rb7 Rfb8 21. Rxb8+ Rxb8 22. Nxd7 Qxd7 23. Rc1 Rb2 24. Qxa3 Rxe2 25. Bf1 Qg4 26. Qa8+ Bf8 27. Bxf6 exf6 28. Bxe2 Qxe2 29. Qxc6 Qxa2 30. Qxf6 Qe2 31. Rc7 Qe8 32. Kg2 h5 33. Qc6 Qe5 34. Rd7 d4 35. Qe4 Qf6 36. Qxd4 Qf5 37. h4 Qe6 38. Rd8 Qe7 39. Qd7 Qa3 40. Qe8 Kg7 41. d4 Be7 42. Qh8# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0067.pgn Normal file
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[Result "0-1"]
1. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd2 d6 5. e4 Qa5 6. Qc2 a6 7. b3 g6 8. Bb2 Bg7 9. Bd3 O-O 10. Nf3 bxc4 11. bxc4 e5 12. dxe6 Bxe6 13. Bc3 Qc7 14. O-O Nc6 15. a3 h6 16. Rae1 Nd7 17. Bxg7 Kxg7 18. Qc3+ f6 19. Nh4 Qa5 20. Qc1 Nde5 21. Bb1 Qa4 22. Bc2 Qa5 23. Bb1 Bf7 24. f4 Nd7 25. Ndf3 Qc7 26. Qc2 Nd4 27. Qd3 Nxf3+ 28. Rxf3 Rfd8 29. Rg3 Nf8 30. Nxg6 Bxg6 31. f5 Qe7 32. fxg6 Qe5 33. Qf1 Rab8 34. Kh1 Rb2 35. Qf5 Ne6 36. Qg4 Rdb8 37. Bd3 Ra2 38. Bf1 Rf2 39. Rf3 Rxf3 40. gxf3 Rb2 41. Be2 Nf8 42. h4 h5 43. Qc8 Qg3 44. Qc7+ Kh6 45. Qa5 Qxh4+ 46. Kg1 Nxg6 47. Qc3 Nf4 48. Kf1 Qg5 49. Rc1 Qg2+ 50. Ke1 Qxe2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0068.pgn Normal file
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[Result "0-1"]
1. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. Nc3 Nge7 7. a3 d5 8. cxd5 exd5 9. d3 O-O 10. Bd2 b6 11. Rb1 a5 12. Re1 Rb8 13. Na2 Nf5 14. b4 axb4 15. axb4 Ra8 16. Qb3 Be6 17. Nc1 c4 18. Qc2 Nfd4 19. Nxd4 Nxd4 20. Qd1 Rc8 21. Bc3 Nf3+ 22. Bxf3 Bxc3 23. Rf1 Bg7 24. dxc4 dxc4 25. Qc2 b5 26. e3 Re8 27. Ne2 Qd3 28. Be4 Qxc2 29. Bxc2 Bg4 30. Nf4 Bf3 31. Rfe1 Bc3 32. Rec1 Bd2 33. Rf1 Re5 34. h4 Ra8 35. Rb2 Bc3 36. Rbb1 Ra2 37. Rfc1 Bd2 38. Ra1 Rb2 39. Bd1 Bxc1 40. Bxf3 Bd2 41. h5 gxh5 42. Ra8+ Kg7 43. Nxh5+ Rxh5 44. Bxh5 c3 45. Ra7 c2 46. Rxf7+ Kg8 47. Kg2 c1=Q 48. Rd7 Qc6+ 49. Rd5 Qxd5+ 50. Bf3 Qf7 51. g4 Bxe3 52. Bd5 Qxd5+ 53. Kh3 Rxf2 54. g5 Qf3+ 55. Kh4 Rh2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0069.pgn Normal file
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[Result "0-1"]
1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d5 Na6 8. Nc3 Nc5 9. Re1 Nfe4 10. Nxe4 Nxe4 11. Qc2 f5 12. Ng5 Nxg5 13. Bxg5 h6 14. Bd2 e5 15. b4 e4 16. Bc3 a5 17. a3 Qe7 18. Qd2 d6 19. f4 axb4 20. axb4 b5 21. cxb5 Bxc3 22. Qxc3 Qg7 23. Qxg7+ Kxg7 24. Rec1 Rxa1 25. Rxa1 Bxd5 26. Ra7 Rb8 27. Rxc7+ Kf6 28. Rd7 Rb6 29. e3 Be6 30. Rd8 Ke7 31. Rh8 Rxb5 32. Rxh6 Rxb4 33. Rxg6 Rb1+ 34. Kf2 Rb2+ 35. Kf1 Bc4+ 36. Kg1 d5 37. Rg5 d4 38. exd4 e3 39. Bf3 Rb1+ 40. Kg2 Bf1+ 41. Kg1 Bh3+ 42. Bd1 Rxd1# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0070.pgn Normal file
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[Result "1-0"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. h4 h6 7. h5 Bh7 8. Bd3 Bxd3 9. cxd3 Qb6 10. Ne2 Ne7 11. Nd2 Nd7 12. Nf3 O-O-O 13. Rb1 f6 14. b4 Nf5 15. exf6 g5 16. g4 Nd6 17. a4 Nxf6 18. Ne5 Bg7 19. b5 cxb5 20. Ba3 Qa5+ 21. Bb4 Qxa4 22. Qc1+ Kb8 23. Nc3 Qa6 24. Ra1 Qb6 25. Bc5 Qc7 26. Bxa7+ Kc8 27. Bb6 Qxb6 28. Ra8+ Kc7 29. Nxd5# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0071.pgn Normal file
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[Result "0-1"]
1. e4 c5 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 Nc6 6. Be3 Nd4 7. Nce2 Nxe2 8. Nxe2 Bxb2 9. Rb1 Bg7 10. d4 cxd4 11. Bxd4 Nf6 12. O-O O-O 13. Qd2 e5 14. Bc3 Qc7 15. Bb4 Rd8 16. Rfd1 Be6 17. Nc3 Qc6 18. Qe3 b6 19. Rd2 Rac8 20. Nd5 Bxd5 21. exd5 Qc4 22. Qa3 Bh6 23. Rdd1 Qxc2 24. Qxa7 Ng4 25. Rf1 Nxf2 26. Rb3 Ra8 27. Qxb6 Ng4 28. Ra3 Rab8 29. Qa7 Rxb4 30. Qxf7+ Kh8 31. Qe7 Rg8 32. Rf7 Rb1+ 33. Bf1 Qxh2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0072.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c6 2. Nf3 d5 3. d3 g6 4. e5 Bg7 5. d4 Nh6 6. Be2 O-O 7. O-O Qb6 8. h3 Kh8 9. c4 dxc4 10. Bxc4 Na6 11. Nc3 Rd8 12. Qe2 Nb4 13. Bb3 Bf5 14. Rd1 Nd5 15. Ng5 f6 16. Nge4 Nf7 17. Nxd5 cxd5 18. exf6 exf6 19. Nc3 Qc6 20. Bf4 Ng5 21. Rac1 Qe6 22. Qxe6 Bxe6 23. h4 Nf7 24. Re1 Bf5 25. Bxd5 Rd7 26. Bxf7 Rxf7 27. Nb5 Rd7 28. Rc7 Bf8 29. Rxd7 Bxd7 30. Nc7 Rc8 31. d5 Kg8 32. a3 Kf7 33. b4 a6 34. Re3 Rd8 35. Ne6 Bxe6 36. dxe6+ Ke7 37. Bc7 Rd5 38. g3 Ke8 39. Kg2 Bd6 40. Bxd6 Rxd6 41. e7 Rc6 42. Kf3 Rd6 43. g4 Rd7 44. Re6 Rd3+ 45. Kg2 Rxa3 46. Rxf6 b5 47. Re6 Rb3 48. Rxa6 Rxb4 49. Kg3 Rd4 50. Rb6 b4 51. Rb7 h5 52. gxh5 gxh5 53. f3 Kf7 54. Rb5 Kxe7 55. Rxh5 Kd6 56. Rb5 Kc6 57. Rb8 Kc7 58. Re8 b3 59. Re2 Rb4 60. Rb2 Kd6 61. h5 Ke5 62. h6 Kf6 63. Kf2 Kg6 64. Ke3 Kxh6 65. Kd3 Kg5 66. Kc3 Rb8 67. Rxb3 Rxb3+ 68. Kxb3 Kf4 69. Ka2 Kxf3 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0073.pgn Normal file
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[Result "1/2-1/2"]
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. g3 O-O 9. Bg2 Nc6 10. O-O Nb4 11. Re1 Re8 12. a5 Nc6 13. Nd5 Nxd5 14. Qxd5 Be6 15. Qd2 b6 16. axb6 Qxb6 17. b3 a5 18. Ba3 a4 19. bxa4 Rxa4 20. Bc5 Qa6 21. Rxa4 Qxa4 22. Be3 Na5 23. Qc3 Rc8 24. Qa1 Qxa1 25. Rxa1 Nc4 26. Bc1 Nb6 27. Be3 Bd8 28. Ng5 Bxg5 29. Bxg5 Rxc2 30. Be3 Nc8 31. Bf1 f6 32. Ba6 Ne7 33. Bb5 Ra2 34. Rd1 Kf7 35. f4 Rb2 36. Bf1 Nc8 37. Rc1 Ke8 38. Ba6 Ne7 39. Rd1 exf4 40. Bxf4 d5 41. Bd3 Kf7 42. exd5 Bxd5 43. Rd2 Rb6 44. Be3 Rc6 45. Kf2 Be6 46. Be4 Rc4 47. Rd4 Rc8 48. Rd2 Bf5 49. Bf3 h6 50. Bh5+ g6 51. Bd1 h5 52. Bf3 Be6 53. Be4 g5 54. Rc2 Rxc2+ 55. Bxc2 Bf5 56. Bb3+ Kg6 57. Bc5 Nc6 58. Ba4 Ne5 59. Bd4 Nd3+ 60. Ke3 Nb4 61. Bc5 Nd5+ 62. Kd4 Nc7 63. Bd6 Ne6+ 64. Ke3 Ng7 65. Bf8 Kf7 66. Bxg7 Kxg7 67. Kf2 Bg6 68. Bd1 f5 69. Ba4 Kf6 70. Ke3 Ke5 71. Bb3 h4 72. gxh4 f4+ 73. Kf2 g4 74. Bd1 Bf5 75. Be2 Kf6 76. Bd1 Be6 77. Be2 Kg6 78. Bd1 Kf5 79. Bc2+ Kf6 80. Bd1 Kg6 81. Be2 Kh5 82. h3 Kxh4 83. hxg4 Bxg4 84. Bxg4 Kxg4 85. Kg2 f3+ 86. Kf2 Kf4 87. Kf1 Ke4 88. Kf2 Kf4 89. Kf1 Kg3 90. Kg1 f2+ 91. Kf1 Kf3 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0074.pgn Normal file
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[Result "1-0"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Bd3 Qc7 10. Bb2 b6 11. Qe2 Bb7 12. e4 c4 13. Bc2 e5 14. d5 Nbd7 15. Nf3 Ne8 16. O-O Nd6 17. Rad1 f6 18. Nh4 Rae8 19. Bc1 Bc8 20. Qe3 Nc5 21. Qe1 Qe7 22. f3 g5 23. Nf5 Nxf5 24. exf5 Nb7 25. a4 Nd6 26. Ba3 Qc7 27. h4 h6 28. g4 Rd8 29. Kg2 Kg7 30. Qe2 Rh8 31. Rh1 Ba6 32. Rh3 Qd7 33. Qe3 Bb7 34. a5 bxa5 35. Bxd6 Qxd6 36. Qxa7 Rd7 37. hxg5 fxg5 38. Ba4 Rc7 39. Qxa5 Rc5 40. Qa7 Rc7 41. Qa5 Rc5 42. Qa7 Rc7 43. Bc2 Ra8 44. Qf2 Rf7 45. Be4 Ra3 46. Qb2 Rb3 47. Qd2 Qb6 48. Kg3 Rb2 49. Bc2 Qd6 50. Qc1 Ra2 51. Qb1 Ra5 52. Be4 Ba8 53. Rh2 Rb7 54. Rb2 Raa7 55. Rb4 Kf6 56. Rxb7 Bxb7 57. Qb5 Ba6 58. Qe8 Qe7 59. Qg6# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0075.pgn Normal file
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[Result "1/2-1/2"]
1. c4 e6 2. Nc3 d5 3. d4 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Be7 8. Bd3 O-O 9. Nge2 Re8 10. O-O Nbd7 11. a4 Nh5 12. Bxe7 Qxe7 13. a5 Ndf6 14. Qd2 g6 15. Rfe1 Rb8 16. Rab1 Bd7 17. b4 b6 18. Bc2 Qd6 19. h3 Ne4 20. Nxe4 dxe4 21. Nc3 Nf6 22. Red1 Bf5 23. axb6 axb6 24. b5 c5 25. Bb3 cxd4 26. Qxd4 Qxd4 27. Rxd4 Kg7 28. g4 Be6 29. Nxe4 Nxe4 30. Rxe4 Bxb3 31. Rxe8 Rxe8 32. Rxb3 Re5 33. f4 Rc5 34. Kf2 f5 35. gxf5 gxf5 36. Kg3 Kg6 37. Kh4 Rd5 38. Rc3 Rxb5 39. Rc6+ Kg7 40. Kh5 Rb3 41. Rg6+ Kf7 42. Rxh6 Rxe3 43. Kg5 Kg7 44. Rg6+ Kh7 45. Rh6+ Kg7 46. Rg6+ Kh7 47. Rxb6 Rxh3 48. Kxf5 Rh5+ 49. Kg4 Rh1 50. Kg5 Kg7 51. Rb7+ Kg8 52. f5 Rg1+ 53. Kf6 Rf1 54. Ra7 Rf2 55. Ra8+ Kh7 56. Rf8 Ra2 57. Rf7+ Kg8 58. Re7 Rf2 59. Re5 Kf8 60. Rd5 Kg8 61. Rd8+ Kh7 62. Ke6 Kg7 63. Rd7+ Kg8 64. Rd4 Kg7 65. Rg4+ Kf8 66. Kf6 Rf1 67. Kg6 Kg8 68. Ra4 Rg1+ 69. Kf6 Rf1 70. Ra8+ Kh7 71. Rf8 Ra1 72. Rd8 Rf1 73. Rd5 Kg8 74. Ke6 Re1+ 75. Re5 Rxe5+ 76. Kxe5 Kf7 77. f6 Kf8 78. Ke6 Ke8 79. f7+ Kf8 80. Kf6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0076.pgn Normal file
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@@ -0,0 +1,3 @@
[Result "1/2-1/2"]
1. d4 d5 2. Nf3 Nf6 3. g3 e6 4. Bg2 Be7 5. O-O O-O 6. c4 c6 7. Qc2 b6 8. cxd5 cxd5 9. Ne5 Bb7 10. f4 Nbd7 11. Nc3 Rc8 12. Be3 b5 13. a3 Ne4 14. Bxe4 dxe4 15. Qb3 a6 16. f5 Nxe5 17. dxe5 Bd5 18. Nxd5 Qxd5 19. Qxd5 exd5 20. Rac1 Rc4 21. Rxc4 dxc4 22. f6 Bd8 23. fxg7 Re8 24. Bd4 Bc7 25. Rf5 Rd8 26. e3 Re8 27. Kf2 Re6 28. h4 h6 29. g4 a5 30. Ke2 b4 31. axb4 axb4 32. Kd2 Kxg7 33. Kc2 Ba5 34. b3 c3 35. Rf4 Kg6 36. Rxe4 Bc7 37. h5+ Kg5 38. Rf4 Ra6 39. Rxf7 Ra2+ 40. Kd3 Rd2+ 41. Ke4 Bd8 42. e6 Rd1 43. Rf5+ Kxg4 44. Rc5 Bh4 45. Be5 Rb1 46. Bd6 Rxb3 47. e7 Bxe7 48. Bxe7 Rb2 49. Bf6 Rd2 50. Bg7 c2 51. Bxh6 b3 52. Bg7 Rd1 53. h6 Rh1 54. Rc6 Rxh6 55. Rc4 Rh1 56. Bb2 Rb1 57. Kd3+ Kf3 58. Kc3 c1=Q+ 59. Bxc1 Rxc1+ 60. Kxb3 Rxc4 61. Kxc4 Kxe3 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0077.pgn Normal file
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[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O cxd5 10. Qf3 c6 11. h3 Re8 12. Bf4 Nd7 13. Rfe1 Bf8 14. Bf1 Nc5 15. Bh2 g6 16. b4 Ne6 17. b5 Nd4 18. Qf4 Rxe1 19. Rxe1 c5 20. Rd1 Be6 21. Ne2 Nxe2+ 22. Bxe2 Qa5 23. Qd2 Qxd2 24. Rxd2 Bg7 25. a4 Bc3 26. Rd1 d4 27. Bf4 c4 28. Be5 Rd8 29. g4 f5 30. gxf5 gxf5 31. f4 Kf7 32. Kf2 Rd7 33. Bf3 Kf8 34. Bc6 Rd8 35. Bc7 Rc8 36. Bd6+ Kf7 37. Bc5 Bd7 38. Bd5+ Be6 39. Bxe6+ Kxe6 40. Bxa7 Kd5 41. b6 Kc6 42. b7 Kxb7 43. Bxd4 Bxd4+ 44. Rxd4 Kb6 45. Rd5 Ra8 46. Rxf5 Rxa4 47. Rd5 Kc6 48. Rd8 Ra3 49. Kg2 Re3 50. f5 Re5 51. Rd4 Rxf5 52. Rxc4+ Kd5 53. Rc7 Kd6 54. Rc8 h5 55. Kg3 Kd5 56. Re8 Kd4 57. Kh4 Rc5 58. Re2 Rc3 59. Rh2 Rc5 60. Rh1 Rxc2 61. Kxh5 Ke5 62. Rf1 Rc8 63. Rf3 Ke4 64. Rf6 Rh8+ 65. Rh6 Rxh6+ 66. Kxh6 Kf5 67. h4 Kf6 68. h5 Kf7 69. Kh7 Kf8 70. Kg6 Kg8 71. h6 Kh8 72. h7 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0078.pgn Normal file
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[Result "0-1"]
1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O c6 8. Qc2 Nbd7 9. Bf4 a5 10. Rd1 a4 11. Nc3 Qa5 12. Ne5 Nxe5 13. dxe5 Nd7 14. cxd5 exd5 15. e4 dxe4 16. Bxe4 h6 17. Re1 a3 18. bxa3 Nc5 19. Bg2 Rd8 20. Ne4 Nxe4 21. Bxe4 Qxa3 22. Bh7+ Kh8 23. Bf5 Qc5 24. Qb1 Bxf5 25. Qxf5 Qd5 26. a4 Bb4 27. Red1 Qe6 28. Qe4 Be7 29. Rxd8+ Rxd8 30. Qb1 g5 31. Be3 Qxe5 32. a5 Bf6 33. Ra4 Qd5 34. Bb6 Re8 35. Be3 c5 36. a6 bxa6 37. Rxa6 Kg7 38. Qb5 Re5 39. Rc6 Qf3 40. Rxc5 Rxe3 41. fxe3 Qxe3+ 42. Kf1 Qf3+ 43. Ke1 Qh1+ 44. Kd2 Qxh2+ 45. Kd1 Qxg3 46. Qc4 Qf3+ 47. Qe2 Qb3+ 48. Rc2 Qd5+ 49. Rd2 Qh1+ 50. Kc2 h5 51. Qc4 Qf3 52. Rd7 Qf5+ 53. Qd3 Qc5+ 54. Kd1 h4 55. Ke2 Qe5+ 56. Kd1 g4 57. Qc4 Qa1+ 58. Ke2 Qb2+ 59. Kf1 Qb1+ 60. Ke2 Qb2+ 61. Kf1 Qa1+ 62. Ke2 Qe5+ 63. Kd1 Qh5 64. Rxf7+ Qxf7 65. Qxg4+ Kh6 66. Qf4+ Kg6 67. Qe4+ Kg5 68. Qg2+ Kh6 69. Qg4 Bg5 70. Ke2 Qb3 71. Qf3 Qe6+ 72. Kf1 Be3 73. Kg2 Kg5 74. Kh1 Bf4 75. Qg2+ Kh6 76. Qg4 Qe1+ 77. Kg2 Qg3+ 78. Kh1 Qh2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0079.pgn Normal file
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[Result "1/2-1/2"]
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nc3 a6 8. g3 h5 9. h4 c5 10. d5 b5 11. dxe6 Qxd1+ 12. Rxd1 fxe6 13. Bg2 Ra7 14. Nge2 Nd7 15. Nf4 Ne5 16. O-O Kf7 17. Ne4 Rd7 18. Rxd7 Bxd7 19. Rd1 Bc8 20. b3 f5 21. Nd6+ Bxd6 22. Rxd6 Ke7 23. Rd1 Rh7 24. Re1 Kf6 25. Rd1 Ke7 26. a4 bxa4 27. bxa4 Bd7 28. Re1 Ng4 29. Bf1 Kd6 30. Bxa6 Ne5 31. Rd1+ Ke7 32. Bb5 Bxb5 33. axb5 Rh8 34. Ra1 Rb8 35. Ra7+ Nd7 36. c4 Kd6 37. Ra6+ Nb6 38. Nd3 e5 39. Nb2 Kc7 40. Na4 Nxc4 41. Rc6+ Kd8 42. Rxc5 Nd6 43. b6 e4 44. Rc7 Rxb6 45. Nxb6 Kxc7 46. Nd5+ Kd7 47. Nf6+ Ke7 48. Nxh5 Nc4 49. Kf1 Kf7 50. Ke2 Kg6 51. Nf4+ Kf6 52. Nd5+ Kg6 53. Ne3 Ne5 54. h5+ Kg5 55. h6 Ng6 56. h7 f4 57. gxf4+ Nxf4+ 58. Kd2 Ng6 59. Kc3 Kh6 60. Kd4 Kxh7 61. Kxe4 Kg7 62. Ng4 Ne7 63. Ne5 Kf6 64. f4 Ke6 65. Nf3 Kf6 66. Nh2 Ke6 67. Ng4 Nf5 68. Ne3 Nxe3 69. Kxe3 Kf5 70. Kf3 Kf6 71. Ke4 Ke6 72. f5+ Kf6 73. Kf4 Kf7 74. Kf3 Kf6 75. Kf4 Kf7 76. Kg5 Kg7 77. f6+ Kf7 78. Kf5 Kf8 79. Ke6 Ke8 80. Kd6 Kf7 81. Ke5 Kf8 82. Ke6 Ke8 83. f7+ Kf8 84. Kf6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0080.pgn Normal file
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[Result "1-0"]
1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Ne7 6. O-O h6 7. Nbd2 a5 8. Nb3 Nd7 9. Be3 Bh7 10. Bd3 Nf5 11. g4 Nxe3 12. fxe3 Bxd3 13. cxd3 a4 14. Nc1 Be7 15. Ne2 h5 16. gxh5 Rxh5 17. a3 Qb6 18. Rb1 Rh6 19. Kh1 Qa6 20. Rg1 g6 21. Nc3 b5 22. Qc2 Rc8 23. Rbf1 Qb7 24. Ng5 Bxg5 25. Rxg5 c5 26. Qf2 Rh7 27. Rg4 b4 28. Nxa4 cxd4 29. exd4 bxa3 30. bxa3 Qb3 31. Nc5 Nxc5 32. dxc5 Qxa3 33. Rh4 Rxh4 34. Qxf7+ Kd8 35. Qf8+ Kc7 36. Qd6+ Kb7 37. c6+ Rxc6 38. Qxa3 Rh7 39. Ra1 Rhc7 40. Qa8+ Kb6 41. Qb8+ Kc5 42. Qb2 d4 43. Ra5# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0081.pgn Normal file
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[Result "0-1"]
1. d4 Nf6 2. Nf3 d5 3. e3 c5 4. Nbd2 cxd4 5. exd4 Nc6 6. b3 Bf5 7. a3 e6 8. Bb2 Bd6 9. Be2 O-O 10. Nh4 Be4 11. O-O Qb6 12. Nhf3 Rfd8 13. Ra2 Qc7 14. c4 Bxf3 15. Nxf3 dxc4 16. Bxc4 Rac8 17. Qe2 Na5 18. Rc1 b5 19. Bd3 Qxc1+ 20. Bxc1 Rxc1+ 21. Ne1 Nxb3 22. Rb2 Nxd4 23. Qe3 Bf4 24. Qxf4 Rxe1+ 25. Bf1 e5 26. Qg3 Rc8 27. h3 Rxf1+ 28. Kh2 Re1 29. Qd3 Ne4 30. f3 Rc3 31. Rxb5 h5 32. Rb8+ Kh7 33. Qa6 Nxf3+ 34. gxf3 Rc2+ 35. Qe2 Rcxe2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0082.pgn Normal file
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[Result "1/2-1/2"]
1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 4. c4 d5 5. cxd5 Nxd5 6. d4 Nf6 7. Qa4 Bd7 8. dxc5 e6 9. O-O Bxc5 10. Nc3 O-O 11. Bg5 h6 12. Bxf6 Qxf6 13. Ne4 Qe7 14. Nxc5 Qxc5 15. Rac1 Qb6 16. Qa3 Rfd8 17. Rfd1 Be8 18. e3 Rac8 19. Rxd8 Rxd8 20. Qc3 Qa6 21. a3 Qe2 22. h4 Rd3 23. Qc2 Qxc2 24. Rxc2 Rd1+ 25. Kh2 Kf8 26. Nd2 Ke7 27. Nc4 f6 28. Rd2 Rxd2 29. Nxd2 b6 30. f4 Kd6 31. Bxc6 Bxc6 32. Kg1 Kd5 33. Kf2 e5 34. Ke2 Bb5+ 35. Kf3 exf4 36. gxf4 Bd7 37. Kg3 Ke6 38. Kg4 Bb5 39. Kf3 Bc6+ 40. Kg4 Bd5 41. Nf1 Bc4 42. Nd2 Be2+ 43. Kg3 Kf5 44. e4+ Ke6 45. Kf2 Bd1 46. Ke3 g5 47. hxg5 fxg5 48. fxg5 hxg5 49. Kd4 g4 50. Nf1 Ba4 51. Ng3 Bd7 52. Nh5 Bc8 53. Ng3 Kd6 54. Ne2 Kc6 55. Ng3 Kb5 56. Ne2 Ka4 57. Kc3 b5 58. Ng3 Bd7 59. Ne2 Be6 60. Ng3 Bc8 61. Ne2 Bb7 62. Ng3 a5 63. e5 Bd5 64. Kd4 Bc4 65. Kc3 Bf7 66. Nf5 b4+ 67. axb4 axb4+ 68. Kd4 Kb3 69. Kc5 Bg8 70. Ng3 Kxb2 71. Kxb4 Kc2 72. Kc5 Kd3 73. Kd6 Ke3 74. e6 Bxe6 75. Kxe6 Kf3 76. Nh5 g3 77. Nxg3 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0083.pgn Normal file
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[Result "1-0"]
1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. Nc3 O-O 5. e3 c6 6. Nge2 Bb6 7. d4 exd4 8. Nxd4 d5 9. cxd5 cxd5 10. O-O Nc6 11. Nde2 d4 12. exd4 Nxd4 13. Nxd4 Bxd4 14. Bf4 Bxc3 15. bxc3 Qa5 16. Qd4 Rd8 17. Qe5 Qa4 18. Rfe1 a5 19. Qc7 Be6 20. Qxb7 Bd5 21. Bxd5 Nxd5 22. Be5 Qc4 23. Qb3 Rac8 24. Rac1 Rc6 25. Bd4 Rdc8 26. Re5 Rd8 27. Rce1 h6 28. Re8+ Rxe8 29. Rxe8+ Kh7 30. Qb1+ Rg6 31. Qb8 Rg5 32. h4 Rh5 33. Rg8 Nf6 34. Qf8 Kg6 35. Qxg7+ Kf5 36. Qxf6+ Ke4 37. Re8+ Kd3 38. Qf3+ Kd2 39. Qxh5 a4 40. a3 f5 41. Qxf5 Qb3 42. Be3+ Kxc3 43. Qc5+ Kd3 44. Rd8+ Ke4 45. Rd4+ Kf3 46. Qh5# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0084.pgn Normal file
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[Result "1-0"]
1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Bb4+ 5. Bd2 Be7 6. Bg2 O-O 7. O-O Nbd7 8. Qc2 a5 9. Rd1 c6 10. Bf4 h6 11. Nc3 b6 12. Ne5 Nxe5 13. dxe5 Nd7 14. h4 Ba6 15. cxd5 cxd5 16. e4 d4 17. Rxd4 Qc7 18. Rd6 Rac8 19. Rad1 Rfd8 20. Qd2 Nc5 21. Qe3 Nb7 22. Rxd8+ Rxd8 23. Rxd8+ Nxd8 24. Bf1 Bb7 25. a3 Kh7 26. Qd2 Bc6 27. Be3 Kg8 28. f4 Be8 29. Qf2 Bc5 30. Bxc5 bxc5 31. Qd2 Nb7 32. Bc4 Bc6 33. Qc2 a4 34. Kh2 Qd8 35. Qd3 Qb6 36. Bb5 c4 37. Qxc4 Qf2+ 38. Kh3 Bxb5 39. Qxb5 Nc5 40. Qe2 Qg1 41. Qg2 Qd4 42. Kh2 h5 43. Qe2 g6 44. Nb5 Qd8 45. Nd6 Qb6 46. Qb5 Qa7 47. Nc8 Qd7 48. Qxd7 Nxd7 49. Nd6 Nc5 50. Kg2 Kf8 51. Kf3 Ke7 52. Nc4 Kd7 53. Ke3 Kc6 54. Nd6 f5 55. exf5 exf5 56. Kd4 Nb3+ 57. Kc3 Nc1 58. Kd2 Nb3+ 59. Ke3 Nc5 60. Nf7 Kd5 61. Ng5 Nb3 62. e6 Kd6 63. Kd3 Nc1+ 64. Kd2 Nb3+ 65. Kc3 Nc1 66. Kb4 Ne2 67. Kxa4 Nxg3 68. b4 Ne2 69. b5 Nxf4 70. b6 Nd5 71. Kb5 f4 72. a4 Nc3+ 73. Ka5 Nd5 74. Ka6 Nb4+ 75. Ka7 Nc6+ 76. Ka8 f3 77. Nxf3 Kxe6 78. b7 Kf5 79. b8=Q Nxb8 80. Kxb8 Kg4 81. Ne5+ Kxh4 82. Nxg6+ Kg5 83. a5 Kxg6 84. a6 Kg5 85. a7 Kg4 86. a8=Q Kg3 87. Qh1 h4 88. Kc7 h3 89. Kd6 h2 90. Ke5 Kf2 91. Qxh2+ Kf3 92. Qh3+ Kf2 93. Kf4 Kg1 94. Qa3 Kg2 95. Qa2+ Kh3 96. Qb2 Kh4 97. Qh2# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0085.pgn Normal file
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[Result "0-1"]
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. h3 O-O 6. Bf4 Nc6 7. e3 Nd7 8. Be2 e5 9. Bh2 f5 10. O-O e4 11. Nd2 Nf6 12. Rb1 a5 13. a3 Qe7 14. b4 axb4 15. axb4 b6 16. Qb3 Kh8 17. Ra1 Rb8 18. b5 Na5 19. Qc2 Be6 20. Na4 Rbc8 21. Rac1 g5 22. Nb3 Nxb3 23. Qxb3 Qf7 24. Qc2 Qg6 25. Nc3 f4 26. Rfe1 Bh6 27. Bf1 fxe3 28. fxe3 g4 29. hxg4 Nxg4 30. Qxe4 Rxf1+ 31. Rxf1 Bxe3+ 32. Kh1 Qh5 33. Qxe6 Qxh2# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0086.pgn Normal file
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[Result "1/2-1/2"]
1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be3 a6 8. a3 Qb6 9. dxc5 Bxc5 10. Na4 Qa5+ 11. b4 Qxa4 12. bxc5 O-O 13. c4 Qa5+ 14. Qd2 Qxd2+ 15. Kxd2 Rd8 16. Kc3 Ne7 17. Bd3 Nf8 18. Rab1 Rd7 19. Rhc1 Rc7 20. Kd2 Bd7 21. Nd4 Be8 22. Ke2 Rd8 23. g3 Nfg6 24. Rb6 dxc4 25. Bxc4 Nc6 26. Nb3 Nge7 27. Nd2 Na5 28. Rd6 Ra8 29. Bd3 Bb5 30. Bxb5 axb5 31. Rb6 Nac6 32. Rxb5 Rxa3 33. Nc4 Ra2+ 34. Rb2 Rxb2+ 35. Nxb2 f6 36. exf6 gxf6 37. Nc4 Nd5 38. Bf2 Kf7 39. Ra1 Ke7 40. Ra8 Nd8 41. Nd6 Kd7 42. Kf3 Rc6 43. Ra3 Ra6 44. Rb3 Kc6 45. Nb5 Ra4 46. Rb2 h5 47. Nd4+ Kd7 48. Re2 Rc4 49. Nb5 Nf7 50. Kg2 e5 51. Rd2 exf4 52. Nd6 Ne3+ 53. Bxe3 fxe3 54. Nxc4+ exd2 55. Nxd2 Ke6 56. Nb3 Kd5 57. Kh3 Kc4 58. Na5+ Kxc5 59. Nxb7+ Kb6 60. Kh4 Kxb7 61. Kxh5 Ne5 62. Kh6 Kc6 63. Kg7 Nd7 64. h4 Kd6 65. h5 Ke7 66. h6 Ne5 67. h7 Nf7 68. h8=Q Nxh8 69. Kxh8 Ke6 70. Kg7 Kf5 71. g4+ Kg5 72. Kf7 Kxg4 73. Kxf6 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0087.pgn Normal file
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[Result "1/2-1/2"]
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 Nc6 5. a3 Ba5 6. b4 Bb6 7. Bb2 Nge7 8. Qd2 O-O 9. Na4 e5 10. Nxb6 axb6 11. exd5 Qxd5 12. dxe5 Qxd2+ 13. Kxd2 Rd8+ 14. Kc1 Ng6 15. f4 Bg4 16. g3 Rd7 17. Bc3 Rad8 18. Kb2 Rd1 19. Nc1 Bf3 20. Rg1 Nd4 21. Bxd4 R8xd4 22. Nd3 Rxa1 23. Kxa1 c5 24. bxc5 bxc5 25. Bg2 Bxg2 26. Rxg2 b6 27. Kb2 Ne7 28. Rd2 g5 29. c3 Rd7 30. Kc1 Ra7 31. Kb2 Rd7 32. c4 Nc6 33. Kc3 Ra7 34. Ra2 gxf4 35. gxf4 Nd4 36. a4 Kf8 37. a5 Rxa5 38. Rxa5 bxa5 39. Nxc5 Ne2+ 40. Kb3 Nxf4 41. Ka4 Ke7 42. Kxa5 f6 43. exf6+ Kxf6 44. Kb5 Kf5 45. Kc6 h5 46. Kd6 h4 47. Nb3 Nd3 48. Kd5 Nb2 49. c5 Nd3 50. Nd4+ Kg4 51. c6 Nb4+ 52. Ke4 Nxc6 53. Nxc6 Kh3 54. Kf3 Kxh2 55. Kf2 Kh3 56. Ne5 Kh2 57. Ng4+ Kh3 58. Ne5 Kh2 59. Ng4+ Kh3 60. Nh6 Kh2 61. Ng4+ Kh3 62. Nf6 Kh2 63. Nd5 Kh3 64. Kf3 Kh2 65. Kf2 Kh3 66. Ne3 Kh2 67. Ng2 Kh3 68. Kf3 Kh2 69. Nxh4 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0088.pgn Normal file
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[Result "1-0"]
1. Nf3 d5 2. d4 Nf6 3. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. O-O a6 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. Be2 Nbd7 10. Nbd2 b5 11. Nb3 Be7 12. Nfd4 Bb7 13. Na5 Bd5 14. Ndc6 Bc5 15. Bd2 Rc8 16. Nb4 Bxb4 17. Bxb4 Rc2 18. Rac1 Rxc1 19. Rxc1 Kd8 20. a4 bxa4 21. Bxa6 Nb6 22. f3 Ba8 23. e4 Nfd7 24. Nc4 Kc7 25. Nd6+ Kb8 26. Nb5 Bb7 27. Bd6+ Ka8 28. Rc7 Rb8 29. Bg3 f6 30. Bf2 g6 31. Rxd7 Nxd7 32. Nc7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0089.pgn Normal file
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[Result "1/2-1/2"]
1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Bg5 Nc6 5. Nc3 h6 6. Bh4 Nf6 7. Bxf6 exf6 8. e3 Be6 9. Nge2 Bd6 10. g3 g5 11. Bg2 Ne7 12. Qb3 Qa5 13. O-O O-O 14. a3 Rfc8 15. Rfc1 Rc6 16. Qb5 Qd8 17. Nxd5 Nxd5 18. Bxd5 Rb6 19. Qc4 Bxd5 20. Qxd5 Rxb2 21. Nc3 Rb6 22. Qf5 Ra6 23. Ne4 Kg7 24. Rc3 Ra5 25. Qf3 Rb8 26. h4 Be7 27. hxg5 fxg5 28. Rac1 Bd6 29. Kg2 a6 30. Rh1 Qe7 31. g4 Rd8 32. Rh5 Qe6 33. Rc1 Re8 34. Nxd6 Qxd6 35. Qxb7 Rxa3 36. Qc6 Qe6 37. Qxe6 Rxe6 38. Rh3 a5 39. Rf3 Kg6 40. Rc7 f6 41. Ra7 a4 42. Rf5 Re4 43. Kf3 Rxd4 44. Ra6 Rf4+ 45. Rxf4 gxf4 46. Kxf4 Ra2 47. f3 Ra3 48. Ra7 Ra1 49. Ke4 a3 50. Kf4 Ra2 51. e4 Ra1 52. Ra6 a2 53. Ra7 h5 54. gxh5+ Kh6 55. Ra5 Kh7 56. Ra7+ Kh6 57. Ra8 Kh7 58. Ra6 Kg7 59. Ra3 Kh7 60. Ra6 Kg7 61. h6+ Kh7 62. Kf5 Rf1 63. Rxa2 Rxf3+ 64. Kg4 Rf1 65. Rh2 Re1 66. Kf5 Rf1+ 67. Ke6 Rf4 68. Kd5 Rf1 69. Rh5 Rd1+ 70. Ke6 Re1 71. Rh4 Rf1 72. Kd6 Rd1+ 73. Ke7 Rf1 74. Ke6 Rf2 75. Rh1 Rf4 76. Kd5 Rf2 77. Kd4 Rf3 78. Rh5 Rf1 79. Ke3 Re1+ 80. Kf3 Rf1+ 81. Ke2 Rf4 82. Ke3 Rf1 83. Kd4 Rd1+ 84. Kc5 Re1 85. Kd5 Rd1+ 86. Ke6 Re1 87. Rh4 Rf1 88. Kf7 Rf2 89. Rg4 Rf3 90. Rg7+ Kxh6 91. Rg6+ Kh5 92. Rxf6 Re3 93. Re6 Kg5 94. e5 Kf5 95. Rf6+ Kxe5 96. Re6+ Kd4 97. Rxe3 Kxe3 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0090.pgn Normal file
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[Result "0-1"]
1. e4 c5 2. c3 d5 3. exd5 Nf6 4. d4 Nxd5 5. Nf3 cxd4 6. Nxd4 a6 7. a4 e5 8. Nf3 Nc6 9. Bc4 Be6 10. Ng5 Nxc3 11. Qd2 Bxc4 12. Qxd8+ Rxd8 13. bxc3 Na5 14. Nd2 Bd3 15. Ba3 Be7 16. Nge4 Bxa3 17. Rxa3 Ke7 18. f3 Rd5 19. Kf2 f5 20. Ng3 Bc2 21. Ngf1 Rhd8 22. Ra2 Rxd2+ 23. Nxd2 Rxd2+ 24. Kg3 f4+ 25. Kh4 Rxg2 26. Raa1 Rg6 27. Rhe1 Kf6 28. Re2 Rh6+ 29. Kg4 Bf5# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0091.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. O-O e5 5. c3 Bd7 6. d4 exd4 7. cxd4 cxd4 8. Nxd4 Nxd4 9. Bxd7+ Qxd7 10. Qxd4 Nf6 11. Nc3 Be7 12. Bg5 h6 13. Bh4 O-O 14. e5 Ne8 15. Bg3 f6 16. Qd5+ Kh8 17. exd6 Bxd6 18. Rad1 Rd8 19. Nb5 f5 20. Be5 Bxe5 21. Qxd7 Rxd7 22. Rxd7 Bxb2 23. Rxb7 f4 24. Nxa7 Bd4 25. Rd1 Be5 26. Re1 Bc3 27. Rc1 Bd4 28. Rc8 Kg8 29. Nc6 Bf6 30. Ne7+ Bxe7 31. Rxe7 Nf6 32. Rxf8+ Kxf8 33. Rb7 Kg8 34. a4 Ne8 35. a5 Nd6 36. Rb8+ Kf7 37. a6 g5 38. a7 g4 39. a8=Q Kg6 40. Qc6 Kg5 41. Qxd6 f3 42. Qe5+ Kg6 43. Rg8+ Kf7 44. Rg7+ Kf8 45. Qe7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0092.pgn Normal file
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[Result "1-0"]
1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d5 6. a3 Bxc3+ 7. bxc3 dxc4 8. Bxc4 c5 9. Ne2 Qc7 10. Bd3 Nc6 11. O-O e5 12. Ng3 Rd8 13. f4 exd4 14. cxd4 Bg4 15. Qc2 cxd4 16. e4 Nh5 17. Qf2 Qe7 18. e5 f6 19. Nxh5 Bxh5 20. Qh4 Bg6 21. f5 Be8 22. Bc4+ Kh8 23. exf6 gxf6 24. Re1 Ne5 25. Bf4 Qg7 26. Rxe5 fxe5 27. Bh6 Rd7 28. Bxg7+ Rxg7 29. Qf6 Bc6 30. g3 Re8 31. Be6 e4 32. Qxd4 h5 33. f6 Rxe6 34. fxg7+ Kg8 35. Rf1 Re8 36. Qf6 e3 37. Qf7+ Kh7 38. g8=Q+ Kh6 39. Qgg6# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0093.pgn Normal file
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[Result "1/2-1/2"]
1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 dxc4 5. Bg2 c6 6. a4 b5 7. Ne5 Nd5 8. O-O Bb7 9. b3 cxb3 10. Qxb3 a6 11. Nc3 b4 12. Ne4 Be7 13. a5 c5 14. Nxc5 Bxc5 15. dxc5 Qc7 16. Bb2 O-O 17. e4 Nf6 18. Qxb4 Nbd7 19. Nxd7 Nxd7 20. Qc3 e5 21. Ba3 Bc6 22. Rfd1 Nf6 23. Re1 Rfd8 24. Bb2 Rd4 25. Qc2 Rb4 26. Qc3 Rd4 27. Qa3 Ra4 28. Qc3 Rd4 29. Rad1 Rad8 30. Rxd4 exd4 31. Qb4 d3 32. Rd1 Qd7 33. Rd2 Bb5 34. h3 Qe6 35. Kh2 h6 36. e5 Ne8 37. Be4 f5 38. exf6 Nxf6 39. Bg2 Kf7 40. Qc3 Rc8 41. Bf1 Qe7 42. Bxd3 Bxd3 43. Qxd3 Qxc5 44. Bxf6 Kxf6 45. Qxa6+ Rc6 46. Qb7 Qc4 47. Qb2+ Kg6 48. Rd7 Rf6 49. Qb1+ Kh5 50. Qd1+ Kg6 51. Qb1+ Kh5 52. Rxg7 Rxf2+ 53. Kg1 Rf1+ 54. Qxf1 Qxf1+ 55. Kxf1 1/2-1/2

3
ctfcup2025-school-final/checkers/grob/games/0094.pgn Normal file
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[Result "1-0"]
1. e4 e5 2. d4 Nc6 3. dxe5 Nxe5 4. Nc3 Bb4 5. Qd4 Bxc3+ 6. Qxc3 f6 7. f4 Nc6 8. Bc4 Qe7 9. Nf3 Qxe4+ 10. Kf2 Qf5 11. Re1+ Nge7 12. b4 d5 13. Bd3 Qd7 14. b5 d4 15. bxc6 bxc6 16. Qxd4 Kf7 17. Bc4+ Nd5 18. Ba3 Re8 19. Rxe8 Kxe8 20. Re1+ Kd8 21. Qe4 f5 22. Qd4 h6 23. Ne5 Qe6 24. Nxc6+ Qxc6 25. Bxd5 Qxc2+ 26. Re2 Qb1 27. Bc6+ Bd7 28. Qxd7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0095.pgn Normal file
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[Result "1-0"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. c3 Bd7 5. O-O a6 6. Ba4 b5 7. Bc2 Nf6 8. Re1 g6 9. d4 Bg4 10. h3 Bxf3 11. Qxf3 Bg7 12. Be3 O-O 13. Qd1 d5 14. Bg5 h6 15. Bxf6 Bxf6 16. exd5 Qxd5 17. Be4 Qd6 18. dxe5 Bxe5 19. Qxd6 Bxd6 20. Bxc6 Rad8 21. Nd2 f5 22. Nb3 Rf6 23. Bf3 Bf8 24. Rad1 Rxd1 25. Rxd1 Be7 26. Re1 Bd6 27. Bd5+ Kf8 28. Re6 Rf7 29. Rxg6 Re7 30. Rg8# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0096.pgn Normal file
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[Result "1-0"]
1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. a4 Nf6 5. Qe2 g6 6. O-O Bg7 7. c3 O-O 8. d4 b6 9. e5 Nh5 10. Qe4 Bxb5 11. axb5 d5 12. Qe2 c4 13. g4 Nf4 14. Bxf4 e6 15. Bg5 Qd7 16. Bf6 Qxb5 17. Na3 Qd7 18. Qe3 h6 19. Qf4 Nc6 20. h4 Ne7 21. Nc2 a5 22. Ne3 b5 23. h5 g5 24. Nxg5 hxg5 25. Qxg5 Ng6 26. h6 Bxf6 27. Qxf6 Qd8 28. Qg7# 1-0

3
ctfcup2025-school-final/checkers/grob/games/0097.pgn Normal file
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[Result "0-1"]
1. d4 g6 2. e4 Bg7 3. Ne2 d6 4. c3 Nf6 5. Nd2 c5 6. Nf3 Nxe4 7. Qd3 d5 8. Bf4 Nc6 9. Be3 c4 10. Qd1 b5 11. b3 Bg4 12. Nd2 Nxc3 13. Qc2 Nxe2 14. Bxe2 Bxe2 15. Kxe2 Bxd4 16. Nf3 Bxe3 17. fxe3 O-O 18. h4 e5 19. h5 e4 20. Ng1 Qg5 21. h6 Qxg2+ 22. Kd1 Qf1+ 23. Kd2 Qxa1 24. bxc4 Ne5 25. cxb5 Rac8 26. Qa4 Qc1+ 27. Ke2 Qb2+ 28. Ke1 Rc1+ 29. Qd1 Nd3+ 30. Kf1 Rxd1# 0-1

3
ctfcup2025-school-final/checkers/grob/games/0098.pgn Normal file
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[Result "1/2-1/2"]
1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 4. e3 Be7 5. b3 O-O 6. Bb2 c5 7. cxd5 exd5 8. d4 Nc6 9. Be2 a6 10. O-O Be6 11. Rc1 cxd4 12. Nxd4 Rc8 13. Nxc6 Rxc6 14. Bf3 Qd6 15. Qd4 Rd8 16. Rcd1 Qc5 17. Qd3 Qb4 18. e4 d4 19. e5 Ng4 20. Bxc6 Nxe5 21. Qe4 Nxc6 22. Ne2 d3 23. Qxb4 Nxb4 24. Nd4 Bf6 25. Nxe6 fxe6 26. Bxf6 gxf6 27. Rd2 e5 28. f3 f5 29. Re1 Rd5 30. a3 Nc2 31. Rc1 e4 32. fxe4 fxe4 33. Rcxc2 dxc2 34. Rxc2 b5 35. Rc3 Kg7 36. Kf2 Rd2+ 37. Kg3 Kf6 38. Kf4 Rxg2 39. Rc6+ Ke7 40. Rxa6 Rxh2 41. Kxe4 b4 42. axb4 Rh4+ 43. Kd3 Rxb4 44. Kc3 Rh4 45. b4 h5 46. Rh6 Rh1 47. b5 Kd7 48. Kb4 h4 49. Kc5 h3 50. Rh7+ Ke6 51. Kb6 h2 52. Kb7 Kf5 53. b6 Kg4 54. Kb8 Rb1 55. b7 h1=Q 56. Rxh1 Rxh1 57. Kc7 Rh7+ 58. Kc8 Rxb7 59. Kxb7 1/2-1/2

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