CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/Ww0WzCp6"] [Date "2026.09.27"] [White "Vladimir"] [Black "Nathaniel1"] [Result "1-0"] [UTCDate "2026.09.27"] [UTCTime "17:14:47"] [WhiteElo "1366"] [BlackElo "1093"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-5"] [WhiteTitle "GM🦑"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C46"] [Opening "Four Knights Game: Italian Variation"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 { C46 Four Knights Game: Italian Variation } h6?! { (-0.02 → 0.91) Inaccuracy. Nxe4 was best. } (4... Nxe4 5. Nxe4) 5. d4 exd4 6. Nxd4 Nxd4?! { (0.86 → 1.51) Inaccuracy. Be7 was best. } (6... Be7) 7. Qxd4 d6 8. O-O?! { (2.18 → 1.07) Inaccuracy. e5 was best. } (8. e5 c5) 8... c5? { (1.07 → 2.37) Mistake. Be7 was best. } (8... Be7 9. Bf4) 9. Qe3 Be7 10. Nd5?! { (2.16 → 1.12) Inaccuracy. Rd1 was best. } (10. Rd1 O-O 11. h3 Qb6 12. Qg3 Be6 13. Be2 Kh8 14. b3 Rfd8 15. Bb2 Ne8 16. a4 Bf6) 10... Rf8?? { (1.12 → 3.87) Blunder. Nxd5 was best. } (10... Nxd5 11. Bxd5) 11. Nxf6+? { (3.87 → 2.05) Mistake. e5 was best. } (11. e5 dxe5 12. Qxe5 Nxd5 13. Bxd5 Qd6 14. Qe4 f5 15. Qc4 Rf6 16. Re1 Kf8 17. Bf4 Qa6) 11... Bxf6 12. e5 Bxe5?? { (2.26 → 8.15) Blunder. dxe5 was best. } (12... dxe5 13. Qxc5) 13. Qd3?? { (8.15 → 0.00) Blunder. f4 was best. } (13. f4 Be6 14. Bb5+ Bd7 15. Bxd7+ Qxd7 16. fxe5 O-O-O 17. exd6 Qxd6 18. Qa3 Rfe8 19. Be3 Rxe3) 13... Rh8? { (0.00 → 1.22) Mistake. Be6 was best. } (13... Be6 14. Re1) 14. Bb5+?? { (1.22 → -0.89) Blunder. Re1 was best. } (14. Re1 Be6) 14... Bd7?! { (-0.89 → -0.31) Inaccuracy. Bd7 was best. } (14... Bd7) 15. Bxd7+?! { (-0.31 → -0.83) Inaccuracy. f4 was best. } (15. f4 Bd4+ 16. Be3 Bxb5 17. Qxb5+ Qd7 18. Qe2 Bxe3+ 19. Qxe3+ Kd8 20. Rad1 Re8 21. Qc3 f6) 15... Qxd7 16. f4?! { (-0.87 → -1.51) Inaccuracy. Rb1 was best. } (16. Rb1 O-O-O 17. b4 Kb8 18. Be3 c4 19. Qxc4 Rc8 20. Qe2 Qe6 21. Rb3 Qc4 22. Qd3 Qxc2) 16... Bf6 17. c3?! { (-1.39 → -2.41) Inaccuracy. Re1+ was best. } (17. Re1+ Kf8 18. Be3 Rd8 19. Rad1 b6 20. b4 cxb4 21. Bd4 d5 22. h3 Qd6 23. Qa6 Bxd4+) 17... O-O-O 18. f5?! { (-2.14 → -2.92) Inaccuracy. Be3 was best. } (18. Be3 Rhe8 19. Bf2 a6 20. Rab1 Qc6 21. b4 Re6 22. Qh3 Kc7 23. Qh5 g6 24. Qh3 Rde8) 18... Kb8?! { (-2.92 → -2.26) Inaccuracy. Rhe8 was best. } (18... Rhe8 19. Be3) 19. b4?? { (-2.26 → -5.29) Blunder. Bf4 was best. } (19. Bf4 Rhe8) 19... Qc7?? { (-5.29 → -2.56) Blunder. cxb4 was best. } (19... cxb4 20. Bd2) 20. Bb2?? { (-2.56 → -7.31) Blunder. Rb1 was best. } (20. Rb1 Rhe8 21. Bf4 Be5 22. Be3 c4 23. Qd2 d5 24. h3 Bh2+ 25. Kh1 Re4 26. a4 Be5) 20... cxb4 21. cxb4 d5?? { (-7.86 → -1.37) Blunder. Bxb2 was best. } (21... Bxb2) 22. Bxf6 gxf6 23. Rac1 Qd7 24. Rc3 Rc8 25. Rfc1 Rxc3 26. Rxc3 Rc8? { (-1.70 → -0.57) Mistake. d4 was best. } (26... d4 27. b5) 27. Ra3?? { (-0.57 → -2.85) Blunder. Qg3+ was best. } (27. Qg3+ Ka8) 27... Rc6? { (-2.85 → -1.54) Mistake. a6 was best. } (27... a6 28. Qd2) 28. Qd4? { (-1.54 → -3.41) Mistake. Qg3+ was best. } (28. Qg3+ Kc8) 28... Ra6?? { (-3.41 → 0.78) Blunder. Rc1+ was best. } (28... Rc1+ 29. Kf2) 29. Rc3?? { (0.78 → -2.52) Blunder. Rxa6 was best. } (29. Rxa6 bxa6 30. Qxf6 d4 31. Qe5+ Kb7 32. Kf2 a5 33. bxa5 d3 34. Ke3 d2 35. Qb2+ Ka6) 29... Rxa2?? { (-2.52 → -0.06) Blunder. Qxf5 was best. } (29... Qxf5 30. Qc5 Rc6 31. Qf8+ Kc7 32. Qe7+ Qd7 33. Qxf6 d4 34. Rxc6+ bxc6 35. Qxh6 d3 36. Qd2) 30. h3?? { (-0.06 → -5.19) Blunder. Qxf6 was best. } (30. Qxf6 Re2 31. Qxh6 a6 32. Qf4+ Ka8 33. h4 Re1+ 34. Kh2 Re4 35. Qc7 Qxf5 36. Qc8+ Qxc8) 30... Ra1+ 31. Kh2 Ra4?? { (-5.69 → 0.00) Blunder. Qd6+ was best. } (31... Qd6+) 32. Qxf6 Rxb4?? { (-0.08 → Mate in 2) Checkmate is now unavoidable. b5 was best. } (32... b5) 33. Ra3?? { (Mate in 2 → -5.00) Lost forced checkmate sequence. Qh8+ was best. } (33. Qh8+ Qc8 34. Rxc8#) 33... Rh4?? { (-5.00 → 7.59) Blunder. Qc7+ was best. } (33... Qc7+ 34. Kg1 Rb1+ 35. Kf2 Qc5+ 36. Re3 a5 37. Qxf7 Rb2+ 38. Kf3 Qc2 39. Qf6 Qxg2+ 40. Kf4) 34. Qxh4 Qxf5 35. Qd4 f6 36. Qxa7+ Kc7 37. Rc3+ Kd7 38. Qxb7+ Ke6? { (9.09 → Mate in 11) Checkmate is now unavoidable. Kd8 was best. } (38... Kd8 39. Qa8+) 39. Rc6+? { (Mate in 11 → 9.30) Lost forced checkmate sequence. Qc8+ was best. } (39. Qc8+ Ke5 40. Qe8+ Qe6 41. Re3+ Kd4 42. Rxe6 Kd3 43. Qc6 d4 44. Qe4+ Kc3 45. Rc6+ Kb2) 39... Ke5 40. Qe7+ Kf4? { (9.38 → Mate in 10) Checkmate is now unavoidable. Kd4 was best. } (40... Kd4 41. Qb4+ Ke5 42. Qc3+ Ke4 43. Qe1+ Kd4 44. g3 h5 45. Qc3+ Ke4 46. Qc2+ Ke5 47. Qb2+) 41. Qb4+? { (Mate in 10 → 7.15) Lost forced checkmate sequence. g3+ was best. } (41. g3+ Kg5 42. Qe3+ Kg6 43. Qe8+ Kg5 44. Qg8+ Qg6 45. h4+ Kh5 46. Qxd5+ Qg5 47. hxg5 Kg6) 41... Kg5 42. Qd2+ Kg6 43. h4 Qe5+ 44. g3 h5 45. Rc8 Kg7 46. Rc7+?? { (8.96 → 0.00) Blunder. Qc2 was best. } (46. Qc2) 46... Kg6?? { (0.00 → 8.13) Blunder. Qxc7 was best. } (46... Qxc7 47. Qxd5 Qc2+ 48. Qg2 Qd3 49. Qb7+ Kg6 50. Qe7 Qd2+ 51. Kh3 Qd5 52. Qe8+ Kg7 53. Qe7+) 47. Qc2+ f5? { (8.40 → Mate in 6) Checkmate is now unavoidable. Qe4 was best. } (47... Qe4 48. Qd2) 48. Rc6+?! { (Mate in 6 → 60.85) Lost forced checkmate sequence. Qc6+ was best. } (48. Qc6+ Qf6 49. Qe8+ Kh6 50. Qg8 Qb2+ 51. Kh3 Qg2+ 52. Kxg2 d4 53. Qh7#) 48... Kf7 49. Qb2?? { (61.23 → -8.83) Blunder. Rc7+ was best. } (49. Rc7+ Qxc7 50. Qxc7+ Ke6 51. Qf4 Kd7 52. Qxf5+ Kd6 53. Qxh5 Ke6 54. Qg5 Kd6 55. Qf6+ Kc5) 49... d4?? { (-8.83 → Mate in 14) Checkmate is now unavoidable. Qxb2+ was best. } (49... Qxb2+ 50. Kg1 d4 51. Rc7+ Ke6 52. Rc8 d3 53. Re8+ Kd5 54. g4 hxg4 55. Kf1 Qc1+ 56. Re1) 50. Qb7+?! { (Mate in 14 → 56.42) Lost forced checkmate sequence. Qb3+ was best. } (50. Qb3+ Kf8 51. Rc8+ Ke7 52. Qb7+ Kf6 53. Rf8+ Kg6 54. Rg8+ Kf6 55. Qg7+ Ke6 56. Re8+ Kd5) 50... Kf8?! { (56.42 → Mate in 9) Checkmate is now unavoidable. Qe7 was best. } (50... Qe7 51. Qb3+ Kg7 52. Qb5 d3 53. Qxf5 Qe2+ 54. Kh3 Qg4+ 55. Qxg4+ hxg4+ 56. Kxg4 d2 57. Rd6) 51. Rc8+ Qe8 52. Rxe8+ Kxe8 53. Qd5 { Black resigns. } 1-0