CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/rKy3EcYW"] [Date "2026.08.17"] [White "colton1"] [Black "ZePHyRos"] [Result "0-1"] [UTCDate "2026.08.17"] [UTCTime "15:26:13"] [WhiteElo "1516"] [BlackElo "1754"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+3"] [WhiteTitle "IM🤔"] [BlackTitle "GM🥉"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game: Mason Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 d5 2. Bf4 { D00 Queen's Pawn Game: Mason Variation } Nc6 3. c3 Bf5 4. Nf3 e6 5. h3 Bd6 6. Bxd6 Qxd6 7. g4?! { (0.00 → -0.75) Inaccuracy. e3 was best. } (7. e3 Nf6 8. Bd3 Bxd3 9. Qxd3 O-O 10. Nbd2 e5 11. Nxe5 Nxe5 12. dxe5 Qxe5 13. O-O c5) 7... Be4?! { (-0.75 → -0.14) Inaccuracy. Bg6 was best. } (7... Bg6 8. Nbd2 h5 9. g5 Nge7 10. e3 O-O 11. Bg2 e5 12. O-O Bd3 13. dxe5 Nxe5 14. Re1) 8. Bg2?! { (-0.14 → -0.86) Inaccuracy. Nbd2 was best. } (8. Nbd2) 8... Nf6?! { (-0.86 → -0.27) Inaccuracy. f5 was best. } (8... f5) 9. O-O?? { (-0.27 → -2.63) Blunder. Nbd2 was best. } (9. Nbd2 O-O-O 10. e3 Bg6 11. Qe2 h6 12. O-O Ne4 13. Rfd1 h5 14. g5 h4 15. Nxe4 Bxe4) 9... O-O-O?? { (-2.63 → -0.70) Blunder. h5 was best. } (9... h5 10. g5 Bxf3 11. exf3 Nh7 12. g6 fxg6 13. Re1 O-O 14. Nd2 Rae8 15. Nb3 b6 16. Nc1) 10. Ng5?? { (-0.70 → -3.32) Blunder. Nbd2 was best. } (10. Nbd2 Bxf3 11. Nxf3 Ne4 12. Nd2 Nxd2 13. Qxd2 Ne7 14. Rae1 f5 15. gxf5 exf5 16. Kh1 g6) 10... Qe7? { (-3.32 → -1.87) Mistake. Bxg2 was best. } (10... Bxg2 11. Kxg2) 11. Nd2?? { (-1.87 → -4.85) Blunder. Nxe4 was best. } (11. Nxe4 Nxe4) 11... Nxg4?? { (-4.85 → 3.94) Blunder. Bxg2 was best. } (11... Bxg2) 12. Ngxe4 h5?! { (3.98 → 5.75) Inaccuracy. dxe4 was best. } (12... dxe4) 13. e3? { (5.75 → 3.21) Mistake. Nc5 was best. } (13. Nc5 Qd6) 13... dxe4 14. Nxe4 e5?? { (2.69 → 5.99) Blunder. Nf6 was best. } (14... Nf6 15. Nc5) 15. hxg4 hxg4 16. Qxg4+ Kb8 17. Qxg7?? { (6.62 → 2.82) Blunder. d5 was best. } (17. d5 Na5 18. b3 Rh6 19. Ng3 Rh4 20. Nf5 Rxg4 21. Nxe7 c6 22. b4 Nc4 23. dxc6 Rd2) 17... Rdg8? { (2.82 → 4.62) Mistake. Qh4 was best. } (17... Qh4 18. Qg3 Qh6 19. Ng5 Rdg8 20. Nxf7 Qh5 21. Nxh8 Rxg3 22. fxg3 Qxh8 23. Rae1 Qg8 24. Bxc6) 18. Qf6 Qd7?! { (4.13 → 5.65) Inaccuracy. Qf8 was best. } (18... Qf8 19. Ng3 Rg6 20. Qf3 Qh6 21. Rfd1 Rf6 22. Nf5 Qg5 23. e4 Rg6 24. d5 Ne7 25. Rd3) 19. Ng5?! { (5.65 → 4.06) Inaccuracy. Ng3 was best. } (19. Ng3 e4) 19... Qg4 20. f3?? { (4.36 → 0.00) Blunder. f4 was best. } (20. f4 exf4) 20... Qg3?? { (0.00 → 1.70) Blunder. Qh5 was best. } (20... Qh5 21. f4 exf4 22. exf4 Qh2+ 23. Kf2 Rh4 24. Kf3 Rg4 25. Kxg4 Qxg2+ 26. Kf5 Qd5+ 27. Kg4) 21. f4?! { (1.70 → 0.85) Inaccuracy. Rf2 was best. } (21. Rf2 exd4 22. exd4 Rh2 23. f4 Nd8 24. Rd1 Rgh8 25. Kf1 Rxg2 26. Rxg2 Rh1+ 27. Ke2 Qxg2+) 21... Qxe3+ 22. Rf2 exf4 23. Nxf7?? { (1.27 → Mate in 3) Checkmate is now unavoidable. Rd1 was best. } (23. Rd1 Qg3) 23... Rh7?? { (Mate in 3 → 2.48) Lost forced checkmate sequence. Rxg2+ was best. } (23... Rxg2+ 24. Kxg2 Qh3+ 25. Kg1 Qh1#) 24. Rf1?? { (2.48 → Mate in 2) Checkmate is now unavoidable. Nh6 was best. } (24. Nh6 Rxh6 25. Qxh6 Rxg2+ 26. Kh1 Rg8 27. Qxf4 Qe6 28. Rg1 Rh8+ 29. Rh2 Rc8 30. a3 a6) 24... Rhg7?? { (Mate in 2 → -5.06) Lost forced checkmate sequence. Rxg2+ was best. } (24... Rxg2+ 25. Kxg2 Qg3#) 25. Nh6?? { (-5.06 → Mate in 2) Checkmate is now unavoidable. Kh2 was best. } (25. Kh2 Qg3+) 25... Rxg2+ 26. Kh1 Qh3# { Black wins by checkmate. } 0-1