CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/xsK06mVs"] [Date "2025.08.29"] [White "Nathan4"] [Black "Sebastian"] [Result "0-1"] [UTCDate "2025.08.29"] [UTCTime "23:15:22"] [WhiteElo "1302"] [BlackElo "1289"] [WhiteRatingDiff "-15"] [BlackRatingDiff "+20"] [WhiteTitle "GM"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C40"] [Opening "King's Pawn Game: Busch-Gass Gambit"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 e5 2. Nf3 Bc5? { (0.61 → 1.96) Mistake. Nc6 was best. } { C40 King's Pawn Game: Busch-Gass Gambit } (2... Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb7 7. d3 Be7 8. c3 O-O 9. Re1) 3. Bc4?? { (1.96 → 0.34) Blunder. Nxe5 was best. } (3. Nxe5 Nc6) 3... Qf6? { (0.34 → 1.38) Mistake. Nc6 was best. } (3... Nc6 4. c3 Nf6 5. d3 d6 6. O-O O-O 7. a4 a5 8. h3 h6 9. Na3 Re8 10. Re1) 4. d3?! { (1.38 → 0.77) Inaccuracy. Nc3 was best. } (4. Nc3 Ne7) 4... Qc6?? { (0.77 → 7.99) Blunder. Ne7 was best. } (4... Ne7 5. Nc3) 5. Nc3?? { (7.99 → 3.32) Blunder. Nxe5 was best. } (5. Nxe5 Qf6) 5... Bb6?? { (3.32 → 7.67) Blunder. Qd6 was best. } (5... Qd6 6. Ng5 Nh6 7. f4 O-O 8. fxe5 Qxe5 9. Nf3 Qh5 10. d4 Bb4 11. O-O) 6. Be3?? { (7.67 → 3.25) Blunder. Nxe5 was best. } (6. Nxe5) 6... Ba5?? { (3.25 → 9.46) Blunder. f6 was best. } (6... f6 7. O-O) 7. Qd2?? { (9.46 → 2.67) Blunder. Nxe5 was best. } (7. Nxe5) 7... Nf6?? { (2.67 → 8.53) Blunder. d6 was best. } (7... d6 8. Ng5) 8. O-O-O?? { (8.53 → 1.07) Blunder. Nxe5 was best. } (8. Nxe5) 8... O-O?? { (1.07 → 3.76) Blunder. d6 was best. } (8... d6 9. Bb5 Qxb5 10. Nxb5 Bxd2+ 11. Nxd2 Kd8 12. h3 Nc6 13. Nc3 Be6 14. f4 exf4 15. Bxf4) 9. Nxe5 Qd6 10. Qe2?? { (3.62 → -1.15) Blunder. Nf3 was best. } (10. Nf3 Ng4) 10... Qxe5 11. Nd5?? { (-0.82 → -3.83) Blunder. d4 was best. } (11. d4 Qh5 12. g4 Qh4 13. g5 Nxe4 14. Nd5 Re8 15. Rdg1 d6 16. f3 c6 17. fxe4 cxd5) 11... Nxd5 12. Bxd5 d6?! { (-3.68 → -2.39) Inaccuracy. c6 was best. } (12... c6) 13. c3?! { (-2.39 → -3.16) Inaccuracy. f4 was best. } (13. f4 Qe7 14. g4 c6 15. Bb3 Na6 16. f5 Nc5 17. g5 Nxb3+ 18. axb3 Bb6 19. f6 Qe5) 13... c6 14. d4 Qe7 15. Bb3 Na6 16. e5? { (-3.04 → -5.12) Mistake. h4 was best. } (16. h4 Qxe4 17. Bc2 Qe8 18. Qd3 f5 19. g4 Be6 20. d5 Bxd5 21. gxf5 Bxh1 22. Rxh1 d5) 16... dxe5 17. dxe5 Rd8?! { (-5.90 → -4.03) Inaccuracy. Qxe5 was best. } (17... Qxe5) 18. Rxd8+ Qxd8?! { (-4.63 → -3.39) Inaccuracy. Bxd8 was best. } (18... Bxd8 19. Bc2 Bb6 20. f4 Be6 21. h4 Bxa2 22. Rd1 Bxe3+ 23. Qxe3 Nc5 24. c4 Bxc4 25. b4) 19. Qc4? { (-3.39 → -6.65) Mistake. Rd1 was best. } (19. Rd1 Qe8 20. f4 Be6 21. Bc2 Rd8 22. f5 Rxd1+ 23. Qxd1 Bd5 24. e6 fxe6 25. f6 Qf7) 19... Bc7?? { (-6.65 → 9.60) Blunder. Be6 was best. } (19... Be6 20. Qe4) 20. Qxf7+ Kh8 21. Bd4?? { (8.66 → -0.08) Blunder. Rd1 was best. } (21. Rd1 Qxd1+) 21... Qg5+?? { (-0.08 → 8.08) Blunder. Bg4 was best. } (21... Bg4 22. h3) 22. Kc2?? { (8.08 → -8.97) Blunder. f4 was best. } (22. f4 Be6) 22... Bf5+ 23. Kd1 Bg6 24. f3 Bxf7 25. Bxf7 Nb8 26. e6 Na6 27. g4 Qe7 28. Bh5 Bb6 29. Re1 Bxd4 30. cxd4 Nb4 31. a3 Na2 32. f4 b5 33. g5 a5 34. b4 axb4 35. axb4 Qxb4 36. e7 Nc3+ 37. Kc2 Na2?? { (Mate in 7 → 1.40) Lost forced checkmate sequence. Ra2+ was best. } (37... Ra2+ 38. Kd3 Qc4+ 39. Ke3 Qe6+ 40. Kd3 Qf5+ 41. Re4 Qxe4+ 42. Kxc3 Qc2+ 43. Kb4 Ra4#) 38. g6?? { (1.40 → Mate in 3) Checkmate is now unavoidable. e8=R+ was best. } (38. e8=R+ Qf8 39. Rxf8+ Rxf8 40. Kb3 g6 41. Bg4 Rxf4 42. h3 Rxd4 43. Re8+ Kg7 44. Kxa2 Rd5) 38... Qxe1 39. gxh7 Qc3+ 40. Kd1 Qxd4+ { White resigns. } 0-1