CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/PIjBESPF"] [Date "2026.07.21"] [White "Gus"] [Black "Gabriel1"] [Result "1-0"] [UTCDate "2026.07.21"] [UTCTime "20:34:13"] [WhiteElo "1306"] [BlackElo "1444"] [WhiteRatingDiff "+101"] [BlackRatingDiff "-10"] [WhiteTitle "IM"] [BlackTitle "GM🏈"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D20"] [Opening "Queen's Gambit Accepted: Accelerated Mannheim Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. c4 dxc4 3. Qa4+? { (0.67 → -0.40) Mistake. e4 was best. } { D20 Queen's Gambit Accepted: Accelerated Mannheim Variation } (3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Qxd4 Qxd4 8. Nxd4 Bd7 9. Nc3 Nc6) 3... Bd7?! { (-0.40 → 0.54) Inaccuracy. Nd7 was best. } (3... Nd7 4. Nf3 a6 5. Qxc4 e6 6. Bg5 Ngf6 7. Bxf6 gxf6 8. g3 b5 9. Qc6 Rb8 10. Bg2) 4. Qxc4 a6 5. Nf3 b5?! { (0.71 → 1.72) Inaccuracy. Bc6 was best. } (5... Bc6 6. Nbd2 e6 7. g3 Nf6 8. Bg2 Be7 9. Qc2 Bb4 10. O-O O-O 11. b3 Bxd2 12. Qxd2) 6. Qd3?! { (1.72 → 0.67) Inaccuracy. Qc2 was best. } (6. Qc2) 6... Nc6?! { (0.67 → 1.59) Inaccuracy. Bc6 was best. } (6... Bc6 7. g3 e5 8. Qe3 Nf6 9. Nxe5 Be7 10. Nxc6 Nxc6 11. Bg2 Nxd4 12. Qd3 Rc8 13. Be3) 7. Bf4?! { (1.59 → 0.63) Inaccuracy. e4 was best. } (7. e4 e6) 7... h6?! { (0.63 → 1.19) Inaccuracy. Nb4 was best. } (7... Nb4 8. Qd2 Nf6 9. Be5 Nbd5 10. a3 Bf5 11. g3 e6 12. Nc3 c5 13. Nxd5 Qxd5 14. dxc5) 8. h4 f6?? { (0.84 → Mate in 1) Checkmate is now unavoidable. e6 was best. } (8... e6 9. a3 Bd6 10. g3 Nge7 11. Bg2 O-O 12. Nbd2 Ng6 13. Be3 f5 14. Rc1 Rc8 15. b4) 9. e3?? { (Mate in 1 → 2.48) Lost forced checkmate sequence. Qg6# was best. } (9. Qg6#) 9... g5?? { (2.48 → Mate in 1) Checkmate is now unavoidable. f5 was best. } (9... f5 10. d5) 10. hxg5?? { (Mate in 1 → 6.73) Lost forced checkmate sequence. Qg6# was best. } (10. Qg6#) 10... fxg5?? { (6.73 → Mate in 1) Checkmate is now unavoidable. Be6 was best. } (10... Be6 11. Nc3) 11. Bg3?? { (Mate in 1 → 4.75) Lost forced checkmate sequence. Qg6# was best. } (11. Qg6#) 11... e6 12. Qg6+ Ke7 13. Rxh6?? { (6.48 → -2.75) Blunder. Nxg5 was best. } (13. Nxg5) 13... Rxh6?? { (-2.75 → 2.47) Blunder. Bxh6 was best. } (13... Bxh6 14. Nbd2 Nf6 15. Qc2 Kf8 16. Ne4 Nd5 17. Nc5 Qe7 18. Rc1 Be8 19. Qe4 Nd8 20. Bd3) 14. Qxg8 Kf6?? { (2.47 → 8.21) Blunder. Ke8 was best. } (14... Ke8 15. Nxg5) 15. Be5+?? { (8.21 → 3.31) Blunder. Nc3 was best. } (15. Nc3) 15... Nxe5 16. dxe5+ Kf5?? { (3.39 → 19.24) Blunder. Ke7 was best. } (16... Ke7 17. Nc3 Ke8 18. Nxg5 Qe7 19. f4 Bc6 20. Rd1 Qg7 21. Qxg7 Bxg7 22. Nce4 Bd5 23. Rc1) 17. Bd3+ Kg4 18. Nh2+ Kh5?! { (10.76 → Mate in 4) Checkmate is now unavoidable. Kh4 was best. } (18... Kh4) 19. g4+?! { (Mate in 4 → 11.23) Lost forced checkmate sequence. Qf7+ was best. } (19. Qf7+ Kh4 20. Qf3 Bb4+ 21. Ke2 Be7 22. Qh3#) 19... Kh4 20. Bg6?? { (11.04 → -6.54) Blunder. Nd2 was best. } (20. Nd2 Kh3) 20... Kh3?? { (-6.54 → 4.10) Blunder. Bb4+ was best. } (20... Bb4+ 21. Nc3 Qxg8 22. Be4 Kh3 23. Ke2 Bc6 24. Bxc6 Bxc3 25. bxc3 Qh7 26. Bxa8 Qc2+ 27. Kf1) 21. Nf3?? { (4.10 → 0.78) Blunder. Nc3 was best. } (21. Nc3 Bb4) 21... Kxg4?? { (0.78 → 14.77) Blunder. Bb4+ was best. } (21... Bb4+ 22. Nbd2) 22. Be4?? { (14.77 → -7.70) Blunder. Nbd2 was best. } (22. Nbd2) 22... Rh1+?? { (-7.70 → 9.05) Blunder. Bb4+ was best. } (22... Bb4+ 23. Nc3) 23. Ke2 b4? { (8.78 → Mate in 7) Checkmate is now unavoidable. Be7 was best. } (23... Be7 24. Qf7 Qg8 25. Qxe7 Rf8 26. Qxd7 Kh5 27. Nxg5 Rxf2+ 28. Kxf2 Rh2+ 29. Kf3 Qxg5 30. Qf7+) 24. Nbd2?? { (Mate in 7 → Mate in 3) Lost forced checkmate sequence. Nc3 was best. } (24. Nc3 Bh6 25. Rxh1 Bb5+ 26. Nxb5 Qd1+ 27. Kxd1 Rxg8 28. Nh2+ Kh4 29. Nf1+ Kg4 30. f3#) 24... Rxa1?? { (Mate in 3 → Mate in 4) Lost forced checkmate sequence. Bb5+ was best. } (24... Bb5+ 25. Nc4 Bxc4+ 26. Bd3 Qxd3#) 25. Nh2+ Kh5 26. Bg6+ Kh4 27. Qh7+ Bh6 28. Qxh6# { White wins by checkmate. } 1-0