FEN
[Event "August Chess Megatournament"]
[Site "https://cohenchessclub.com/KTSwEEyO"]
[Date "2023.08.13"]
[White "Ao1000"]
[Black "Chauncey"]
[Result "0-1"]
[UTCDate "2023.08.13"]
[UTCTime "19:48:15"]
[WhiteElo "1787"]
[BlackElo "1845"]
[WhiteRatingDiff "-8"]
[BlackRatingDiff "+20"]
[WhiteTitle "IM🌴"]
[BlackTitle "🏆"]
[Variant "Standard"]
[TimeControl "600+2"]
[ECO "C02"]
[Opening "French Defense: Advance Variation, Nimzowitsch System"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4?! { (0.31 → -0.25) Inaccuracy. c3 was best. } { C02 French Defense: Advance Variation, Nimzowitsch System } (4. c3 d4 5. d3 Ne7 6. g3 dxc3 7. bxc3 b6 8. Bg2 Bb7 9. Na3 Nbc6 10. Qe2 Nd5) 4... Nc6?! { (-0.25 → 0.50) Inaccuracy. cxd4 was best. } (4... cxd4 5. Qxd4 Nc6 6. Qf4 Nge7 7. Bd3 Ng6 8. Bxg6 hxg6 9. O-O) 5. Nc3?? { (0.50 → -1.04) Blunder. c3 was best. } (5. c3 Qb6 6. Bd3 cxd4 7. O-O Bd7 8. Re1 Rc8 9. a3 Nh6 10. h3 Be7 11. b4 f6) 5... Qb6? { (-1.04 → 0.00) Mistake. cxd4 was best. } (5... cxd4 6. Nb5 Bc5 7. Nbxd4 Bxd4 8. Nxd4 Nxe5 9. Bb5+ Bd7 10. Qe2 Nc6 11. Bxc6 bxc6 12. Nf5) 6. Be2 cxd4 7. Nxd4?? { (-0.69 → -7.63) Blunder. Nb5 was best. } (7. Nb5 Bc5 8. a3 a6 9. b4 axb5 10. bxc5 Qxc5 11. Rb1 f6) 7... Nxd4 8. Na4?! { (-6.00 → -9.14) Inaccuracy. Be3 was best. } (8. Be3 Bc5 9. Na4 Qa5+ 10. c3 Nxe2 11. Nxc5 Nf4 12. O-O Ng6 13. h4 h5 14. c4 N8e7) 8... Qa5+ 9. c3 Nxe2 10. Kxe2 Bd7 11. Qb3 Qb5+ 12. Qxb5 Bxb5+ 13. Ke1 Bxa4 14. b3 Bc6 15. Bb2 f6 16. exf6 Nxf6 17. c4 Bb4+ 18. Kf1 dxc4 19. bxc4 b5 20. cxb5 Bxb5+ 21. Kg1 O-O 22. Bxf6 gxf6 23. h3 Rac8 24. Kh2 Rc2 25. Rab1 Bd6+ 26. g3 Bc6 27. Rhf1 f5 28. Rbd1 Rd8 29. Rb1 Kf7 30. h4 f4 31. Kh3 fxg3 32. fxg3+ Ke7 33. Rbc1?! { (-15.93 → Mate in 25) Checkmate is now unavoidable. Rfc1 was best. } (33. Rfc1 Rg8) 33... Rxc1? { (Mate in 25 → -9.98) Lost forced checkmate sequence. Rg8 was best. } (33... Rg8) 34. Rxc1 Bd7 35. Rb1 e5+ 36. Kh2 Rb8 37. Rxb8 Bxb8 38. Kg2 Be6 39. a3 Bd6 40. a4 Bb4 41. Kf3 Bb3 42. Ke4 Ke6 43. g4 Bxa4 44. g5 Bc6+ 45. Ke3 Bc5+ 46. Ke2?! { (-70.65 → Mate in 11) Checkmate is now unavoidable. Kd3 was best. } (46. Kd3 Kf5 47. Kc4 Be7 48. Kd3 Kg4 49. g6 hxg6 50. Kc3 Kxh4 51. Kc4 g5 52. Kd3 g4) 46... a5?! { (Mate in 11 → -69.06) Lost forced checkmate sequence. Bb5+ was best. } (46... Bb5+ 47. Ke1 e4 48. g6 hxg6 49. Kd2 Kf5 50. Kc2 e3 51. h5 e2 52. hxg6 e1=Q 53. g7) 47. Kd2?! { (-69.06 → Mate in 18) Checkmate is now unavoidable. h5 was best. } (47. h5 Kf5 48. g6 hxg6 49. h6 e4 50. h7 Bd4 51. Kd2 g5 52. Kc2 a4 53. Kb1 Kg6) 47... a4?! { (Mate in 18 → -64.97) Lost forced checkmate sequence. Kf5 was best. } (47... Kf5 48. h5 Kxg5 49. Kd3 e4+ 50. Kc4 Bf2 51. Kc3 Bb5 52. Kb2 e3 53. Ka2 Kxh5 54. Kb3) 48. Kc1 a3 49. Kb1 Bd5 50. Ka1 a2 51. Kb2 Bd4+ 52. Kc2 a1=Q 53. Kd3 Qc3+ 54. Ke2 Qe3+ 55. Kd1 Bb3# { Black wins by checkmate. } 0-1