CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/ebrpUysf"] [Date "2026.04.17"] [White "Mark2"] [Black "Nathan4"] [Result "0-1"] [UTCDate "2026.04.17"] [UTCTime "23:21:41"] [WhiteElo "1238"] [BlackElo "1346"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+8"] [WhiteTitle "࿄"] [BlackTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Three Knights Opening"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 { C46 Three Knights Opening } Bc5?! { (0.14 → 0.96) Inaccuracy. Nf6 was best. } (3... Nf6 4. Bb5) 4. g3? { (0.96 → -0.24) Mistake. Nxe5 was best. } (4. Nxe5) 4... d6 5. Bg2 Bg4 6. O-O Nf6 7. d3?! { (0.12 → -0.81) Inaccuracy. h3 was best. } (7. h3 Be6 8. d3 a5 9. Na4 Ba7 10. c4 h6 11. Nc3 g5 12. Kh2 g4 13. Nh4 Nd4) 7... O-O?! { (-0.81 → 0.16) Inaccuracy. Nd4 was best. } (7... Nd4 8. Bg5) 8. Qe1?! { (0.16 → -0.42) Inaccuracy. h3 was best. } (8. h3 Bxf3) 8... Nd4? { (-0.42 → 0.64) Mistake. a5 was best. } (8... a5 9. h3 Bxf3 10. Bxf3 Nd4 11. Qd1 a4 12. a3 c6 13. Bg2 Re8 14. Nxa4 Rxa4 15. c3) 9. Nxd4 Bxd4 10. Ne2 Bxe2 11. Qxe2 c6 12. c3 Bb6 13. d4?? { (1.19 → -0.87) Blunder. Kh1 was best. } (13. Kh1 Re8 14. f4 Nd7 15. f5 h6 16. Bd2 a5 17. a4 Nf6 18. g4 Nh7 19. f6 Nxf6) 13... exd4 14. cxd4 d5?? { (-1.14 → 0.85) Blunder. Bxd4 was best. } (14... Bxd4 15. Rd1 c5 16. Bd2 Bxb2 17. Rab1 Bd4 18. Rxb7 Rb8 19. Rdb1 Rxb7 20. Rxb7 Qc8 21. Rxa7) 15. exd5?! { (0.85 → 0.04) Inaccuracy. e5 was best. } (15. e5 Ne8) 15... cxd5?! { (0.04 → 0.58) Inaccuracy. Nxd5 was best. } (15... Nxd5 16. Qc4 Re8 17. Bd2 Qd7 18. a4 a6 19. Rfe1 Rad8 20. a5 Ba7 21. Rxe8+ Rxe8 22. Bxd5) 16. Bg5 h6 17. Bxf6 Qxf6 18. Bxd5 Bxd4 19. Rad1 Bxb2 20. Rb1 Bd4 21. Bc4?! { (0.19 → -0.64) Inaccuracy. Rxb7 was best. } (21. Rxb7 Rad8 22. Bb3 Bb6 23. Rd1 Rxd1+ 24. Bxd1 g6 25. h4 Qc6 26. Re7 Qc3 27. Kg2 Qc6+) 21... Rab8 22. Bd3?! { (-0.31 → -0.95) Inaccuracy. Rb3 was best. } (22. Rb3 Qc6 23. Rc1 Rbe8 24. Qd2 Rd8 25. Rd3 Qf6 26. Rd1 Bb6 27. Bd5 g6 28. Kg2 Kg7) 22... Rfe8?! { (-0.95 → -0.21) Inaccuracy. Rbe8 was best. } (22... Rbe8 23. Qg4 Re7 24. Qf5 Qxf5 25. Bxf5 Re2 26. Rxb7 Rxa2 27. Bd3 Rd2 28. Bc4 a5 29. Bb3) 23. Qg4?! { (-0.21 → -1.05) Inaccuracy. Rxb7 was best. } (23. Rxb7 Kf8 24. Rxb8 Rxb8 25. Rb1 Re8 26. Qd2 Bb6 27. Bf1 h5 28. Rb5 g6 29. Qb2 Re6) 23... Be5 24. Be4 Qe6 25. Bf5?? { (0.00 → -1.77) Blunder. Qxe6 was best. } (25. Qxe6 Rxe6 26. Rxb7 Rxb7 27. Bxb7 Bc7 28. Rc1 Re7 29. Ba6 g6 30. f4 h5 31. h4 f5) 25... Qe7? { (-1.77 → -0.32) Mistake. Qxa2 was best. } (25... Qxa2 26. h4 b6 27. Rfd1 Rbd8 28. h5 Bf6 29. Rxd8 Rxd8 30. Rd1 Rxd1+ 31. Qxd1 Qa1) 26. Be4?? { (-0.32 → -2.49) Blunder. h4 was best. } (26. h4 Bd6) 26... Qe6?? { (-2.49 → -0.06) Blunder. Bxg3 was best. } (26... Bxg3 27. Rfe1) 27. Bf5?! { (-0.06 → -1.04) Inaccuracy. Qxe6 was best. } (27. Qxe6 Rxe6 28. Rxb7 Rxb7 29. Bxb7 g6 30. Kg2 Bc7 31. Rc1 Re7 32. Ba6 Kg7 33. Kh3 h5) 27... Qxa2 28. Be4? { (-0.98 → -2.49) Mistake. Bd3 was best. } (28. Bd3 Qe6 29. Qe4 g6 30. Rxb7 Rxb7 31. Qxb7 Bd4 32. Qf3 Rc8 33. Kg2 Rc3 34. Rd1 Kg7) 28... g6? { (-2.49 → -0.85) Mistake. b6 was best. } (28... b6 29. Rfd1) 29. Qd7?! { (-0.85 → -1.77) Inaccuracy. Qf3 was best. } (29. Qf3 Re7) 29... Qe6? { (-1.77 → -0.64) Mistake. Red8 was best. } (29... Red8 30. Qe7) 30. Qb5?? { (-0.64 → -4.65) Blunder. Rxb7 was best. } (30. Rxb7 Rxb7 31. Qxe6 Rxe6 32. Bxb7 a5 33. Rd1 Rf6 34. Rc1 Bd4 35. Rc2 a4 36. Ra2 a3) 30... Qa6?? { (-4.65 → -0.71) Blunder. a6 was best. } (30... a6 31. Qb6) 31. Qxe5?? { (-0.71 → -8.69) Blunder. Bxb7 was best. } (31. Bxb7 Qxb5 32. Rxb5 Bd4 33. Rd1 Bb6 34. Ba6 Re6 35. Kg2 Rbe8 36. Rbd5 Rf6 37. f4 Re4) 31... Rxe5 32. Bd5 Rxd5 33. Rfe1 Qb6 34. Re7 Qd4 35. Rc1 Rf5 36. Rcc7?! { (-10.89 → Mate in 2) Checkmate is now unavoidable. Re3 was best. } (36. Re3 Kg7) 36... Qxf2+ 37. Kh1 Qf1# { Black wins by checkmate. } 0-1