CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/JhGuyZh8"] [Date "2025.09.14"] [White "Nikolai"] [Black "MegaPawn"] [Result "1-0"] [UTCDate "2025.09.14"] [UTCTime "17:11:56"] [WhiteElo "897"] [BlackElo "963"] [WhiteRatingDiff "+16"] [BlackRatingDiff "-20"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D05"] [Opening "Queen's Pawn Game: Colle System"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 { D05 Queen's Pawn Game: Colle System } Bd6 5. c3 c6?! { (0.02 → 0.72) Inaccuracy. b6 was best. } (5... b6 6. Nbd2) 6. Qe2?? { (0.72 → -0.81) Blunder. Nbd2 was best. } (6. Nbd2 Nbd7) 6... Bd7?? { (-0.81 → 1.29) Blunder. Nbd7 was best. } (6... Nbd7 7. b3 O-O 8. Ba3 Bxa3 9. Nxa3 Re8 10. O-O Qe7 11. Nc2 e5 12. dxe5 Nxe5 13. Nxe5) 7. Bd2? { (1.29 → 0.10) Mistake. Nbd2 was best. } (7. Nbd2) 7... Qe7 8. Na3?! { (0.15 → -0.39) Inaccuracy. c4 was best. } (8. c4 c5 9. dxc5 Bxc5 10. cxd5 exd5 11. Bc3 O-O 12. Bxf6 Qxf6 13. Qc2 Bb4+ 14. Nc3 Bxc3+) 8... Na6?! { (-0.39 → 0.35) Inaccuracy. O-O was best. } (8... O-O 9. O-O c5 10. c4 Nc6 11. Rfc1 a6 12. dxc5 Bxc5 13. cxd5 exd5 14. Nc2 Bg4 15. h3) 9. O-O O-O 10. h3?! { (0.39 → -0.22) Inaccuracy. Ne5 was best. } (10. Ne5) 10... b6?? { (-0.22 → 4.62) Blunder. Ne4 was best. } (10... Ne4 11. Be1 Be8 12. Nc4 Bc7 13. Ncd2 f5 14. Ne5 Nac5 15. Bc2 Nd7 16. f4 Nxe5 17. fxe5) 11. g3?? { (4.62 → -1.05) Blunder. Bxa6 was best. } (11. Bxa6 b5) 11... Bc8?? { (-1.05 → 3.87) Blunder. Nc7 was best. } (11... Nc7 12. c4 Ne4 13. Rfc1 Nxd2 14. Qxd2 c5 15. Nb1 Rad8 16. h4 dxc4 17. Bxc4 Bc6 18. Be2) 12. h4?? { (3.87 → -1.15) Blunder. Bxa6 was best. } (12. Bxa6 Bxa6 13. Qxa6 b5 14. Nc2 Rfb8 15. b4 Ne4 16. Be1 h5 17. Kg2 g5 18. Ne5 g4) 12... Rb8?? { (-1.15 → 2.96) Blunder. Nb8 was best. } (12... Nb8 13. c4 Nbd7 14. Rfc1 Bb7 15. Rc2 Ne4 16. Rac1 h6 17. Bc3 f5 18. Be1 Rac8 19. Nb1) 13. Bxa6 Bxa6 14. Qxa6 Rb7?? { (2.66 → 6.04) Blunder. b5 was best. } (14... b5) 15. Qe2 a6 16. Qxa6? { (7.11 → 3.69) Mistake. c4 was best. } (16. c4) 16... Ra7?! { (3.69 → 5.87) Inaccuracy. b5 was best. } (16... b5 17. c4) 17. Qxb6 Rc7 18. Qa6 Ra7 19. Qxc6 Ra5 20. c4 Kh8 21. cxd5 Rxd5 22. Qc3 Kg8 23. Qd3 Kh8 24. e4 Nxe4 25. Qxe4 Kg8 26. Ng5 Kh8?! { (10.97 → Mate in 1) Checkmate is now unavoidable. g6 was best. } (26... g6 27. Nc4) 27. Qxh7# { White wins by checkmate. } 1-0