FEN
[Event "May Chess Megatournament"]
[Site "https://cohenchessclub.com/NT3YLO0T"]
[Date "2023.05.20"]
[White "Matthew4"]
[Black "Jackson"]
[Result "1/2-1/2"]
[UTCDate "2023.05.20"]
[UTCTime "20:28:40"]
[WhiteElo "2154"]
[BlackElo "1891"]
[WhiteRatingDiff "-4"]
[BlackRatingDiff "+4"]
[WhiteTitle "GM🦃"]
[BlackTitle "GM🏆"]
[Variant "Standard"]
[TimeControl "600+0"]
[ECO "B15"]
[Opening "Caro-Kann Defense: von Hennig Gambit"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Bc4?! { (0.26 → -0.68) Inaccuracy. Nxe4 was best. } { B15 Caro-Kann Defense: von Hennig Gambit } (4. Nxe4 Bf5) 4... Nf6 5. f3 b5 6. Bb3 exf3 7. Nxf3 Nd5?? { (-0.56 → 3.15) Blunder. e6 was best. } (7... e6 8. O-O) 8. O-O e6?? { (2.65 → 5.43) Blunder. f6 was best. } (8... f6) 9. Ne5? { (5.43 → 3.17) Mistake. Bxd5 was best. } (9. Bxd5) 9... f6?? { (3.17 → 9.53) Blunder. Nf6 was best. } (9... Nf6) 10. Qh5+ g6 11. Nxg6 hxg6 12. Qxh8 Nd7 13. Nxd5 cxd5 14. Qg8 Qb6 15. c3 Bb7 16. Kh1 O-O-O 17. Qf7 g5 18. a4 Bc6 19. axb5?! { (8.13 → 5.05) Inaccuracy. Qxe6 was best. } (19. Qxe6 bxa4 20. Bxd5 Bxd5 21. Qxd5 Bd6 22. Rxa4 Rh8 23. Rc4+ Kd8 24. h3 Qa6 25. Qc6 Qxc6) 19... Bxb5?! { (5.05 → 7.36) Inaccuracy. Qxb5 was best. } (19... Qxb5) 20. Re1 Bh6 21. Rxe6 Qc7 22. Ba4 Qc4 23. Bxb5 Qxb5 24. h3 Rf8 25. Qe7 Rh8?! { (10.14 → Mate in 9) Checkmate is now unavoidable. a5 was best. } (25... a5 26. Bd2) 26. Rxa7 Kb8 27. Qxd7?! { (Mate in 5 → 14.22) Lost forced checkmate sequence. Rxd7 was best. } (27. Rxd7 Qf1+ 28. Kh2 Qh1+ 29. Kxh1 Ka8 30. Ra7+ Kb8 31. Qc7#) 27... Qxd7 28. Rxd7 g4?! { (13.85 → Mate in 7) Checkmate is now unavoidable. Kc8 was best. } (28... Kc8 29. Rf7) 29. Bxh6 Kc8 30. Ra7 Kb8 31. Rg7 gxh3 32. Rxf6 hxg2+ 33. Kxg2 Kc8 { Black offers draw } 34. Ra7 Rg8+ 35. Kf3 Kb8 36. Rf8+ Rxf8+ 37. Bxf8 Kxa7 38. b4 Kb6 39. Kf4 Kb5 40. Ke5 Kc4 41. Bc5 Kb5 42. Kxd5 Ka6 43. Kc6?? { (Mate in 9 → 0.00) Lost forced checkmate sequence. c4 was best. } { Draw by stalemate. } (43. c4 Kb7 44. Ke6 Kc8 45. d5 Kd8 46. d6 Kc8 47. d7+ Kc7 48. Ke7 Kb8 49. d8=Q+ Kb7) 1/2-1/2