FEN
[Event " MrCohenOS simul"]
[Site "https://cohenchessclub.com/PMjN8r4r"]
[Date "2025.09.23"]
[White "MrCohenOS"]
[Black "Trekker"]
[Result "1-0"]
[UTCDate "2025.09.23"]
[UTCTime "14:32:08"]
[WhiteElo "1875"]
[BlackElo "1500"]
[WhiteTitle "👀"]
[BlackTitle "GM🎅"]
[Variant "Standard"]
[TimeControl "1800+60"]
[ECO "D04"]
[Opening "Queen's Pawn Game: Colle System"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d4 Nf6 2. Nf3 d5 3. e3 { D04 Queen's Pawn Game: Colle System } c5 4. c3 Bf5? { (-0.01 → 1.15) Mistake. e6 was best. } (4... e6 5. Bd3 b6 6. Nbd2 Bb7 7. Qe2 Nbd7 8. O-O Bd6 9. e4 Nxe4 10. Nxe4 dxe4 11. Bxe4) 5. Bd3? { (1.15 → -0.25) Mistake. dxc5 was best. } (5. dxc5 g6) 5... Bxd3 6. Qxd3 e6 7. Nbd2 Nc6 8. O-O Bd6 9. dxc5 Bxc5 10. Re1?! { (-0.27 → -0.85) Inaccuracy. Rd1 was best. } (10. Rd1 O-O 11. c4 Be7 12. b3 e5 13. cxd5 Qxd5 14. Qxd5 Nxd5 15. Bb2 f6 16. Kf1 Rfd8) 10... O-O 11. e4 dxe4 12. Qxd8 Raxd8 13. Nxe4 Nxe4 14. Rxe4 Rd1+ 15. Re1 Rfd8 16. Bg5 Rxe1+ 17. Rxe1 f6 18. Bf4 e5 19. Be3 Bxe3 20. Rxe3 Rd1+ 21. Re1 Rxe1+ 22. Nxe1 Kf7 23. f3 Ke6 24. Kf2 h5 25. Nd3 b6 26. Ke3 Kf5 27. Nf2 g5?! { (-0.31 → 0.34) Inaccuracy. Ke6 was best. } (27... Ke6 28. Kd3 Ne7 29. g3 Nd5 30. Ne4 f5 31. Ng5+ Kf6 32. h4 b5 33. Nh3 Ke7 34. Ng5) 28. h3?! { (0.34 → -0.53) Inaccuracy. g4+ was best. } (28. g4+ hxg4 29. fxg4+ Ke6 30. Ne4 b5 31. b3 Ne7 32. Ng3 Nd5+ 33. Kd2 Nf4 34. c4 bxc4) 28... h4 29. Ne4 Na5?! { (-0.53 → 0.00) Inaccuracy. Ne7 was best. } (29... Ne7 30. c4 Ng6 31. g4+ hxg3 32. Nxg3+ Ke6 33. Ne2 Kd6 34. Nc3 Kd7 35. Nb5 a6 36. Nc3) 30. b3 Nb7 31. b4 a6 32. c4 Ke6 33. a4 Nd6?! { (0.00 → 0.99) Inaccuracy. a5 was best. } (33... a5 34. c5 axb4 35. cxb6 f5 36. Nd2 Kd5 37. Nb3 Kc4 38. a5 Kb5 39. Kd3 Nd6 40. Nd2) 34. c5?? { (0.99 → -4.57) Blunder. Kd3 was best. } (34. Kd3 Nb7 35. Kc3 Nd6 36. c5 Nxe4+ 37. fxe4 bxc5 38. bxc5 f5 39. exf5+ Kxf5 40. Kd3 Ke6) 34... bxc5?? { (-4.57 → 4.28) Blunder. Nxe4 was best. } (34... Nxe4 35. fxe4 bxc5 36. b5 axb5 37. axb5 c4 38. b6 Kd7 39. Kd2 Kc6 40. b7 Kxb7 41. Kc3) 35. Nxc5+ Kd5 36. Nxa6 Kc6 37. b5+ Kb6 38. Kd3 f5 39. Nb4 Nxb5? { (3.77 → 7.37) Mistake. Ka5 was best. } (39... Ka5 40. Nc6+) 40. axb5 Kxb5 41. Nd5 Kc5 42. Ne7 Kd6 43. Nxf5+ Ke6 44. Ke4 Kf6 45. Nd6 Ke6 46. Nc4 Kf6 47. Nxe5 Kg7 48. Kf5 Kh6 49. Nf7+ Kh5?! { (64.93 → Mate in 2) Checkmate is now unavoidable. Kg7 was best. } (49... Kg7 50. Nxg5 Kf8 51. Kg6 Ke8 52. f4 Ke7 53. f5 Kd6 54. f6 Ke5 55. f7 Kf4 56. f8=Q+) 50. Nxg5?! { (Mate in 2 → 66.53) Lost forced checkmate sequence. Kf6 was best. } (50. Kf6 g4 51. fxg4#) 50... Kh6?! { (66.53 → Mate in 17) Checkmate is now unavoidable. Kh6 was best. } (50... Kh6 51. Kf6 Kh5 52. f4 Kh6 53. f5 Kh5 54. Nf3 Kh6 55. Nxh4 Kh5 56. Nf3 Kh6 57. Ke7) 51. Kf6?! { (Mate in 17 → 76.83) Lost forced checkmate sequence. Kf6 was best. } (51. Kf6 Kh5 52. f4 Kh6 53. f5 Kh5 54. Ne6 Kh6 55. Ke7 Kh7 56. f6 Kg6 57. f7 Kf5) 51... Kh5 52. f4 Kh6 53. Ne4 Kh5 54. Ke7 Kg6 55. Nf2?! { (Mate in 11 → 61.17) Lost forced checkmate sequence. Ke6 was best. } (55. Ke6 Kg7 56. f5 Kf8 57. f6 Ke8 58. Nd6+ Kf8 59. f7 Kg7 60. Ke7 Kg6 61. f8=Q Kg5) 55... Kf5 56. Nd3 Kg6?! { (56.69 → Mate in 15) Checkmate is now unavoidable. Ke4 was best. } (56... Ke4 57. Ke6 Kxd3 58. f5 Ke3 59. f6 Ke2 60. f7 Kf1 61. f8=Q+ Kxg2 62. Qb4 Kxh3 63. Qf4) 57. Ke6 Kh5 58. f5 Kg5 59. f6 Kh5 60. f7 Kg5 61. f8=Q Kh5 62. Qg8 Kh6 63. Kf5 Kh5 64. Qg5# { White wins by checkmate. } 1-0