FEN
[Event "May Chess Megatournament"]
[Site "https://cohenchessclub.com/8DsLgI5j"]
[Date "2022.05.07"]
[White "Oskar"]
[Black "Chauncey"]
[Result "1-0"]
[UTCDate "2022.05.07"]
[UTCTime "20:55:39"]
[WhiteElo "1764"]
[BlackElo "1574"]
[WhiteRatingDiff "+3"]
[BlackRatingDiff "-8"]
[WhiteTitle "GM🦃"]
[BlackTitle "🏆"]
[Variant "Standard"]
[TimeControl "900+0"]
[ECO "C24"]
[Opening "Bishop's Opening: Berlin Defense"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Bc4 Nf6 { C24 Bishop's Opening: Berlin Defense } 3. b3?? { (-0.01 → -2.73) Blunder. Nc3 was best. } (3. Nc3 Bc5 4. Nf3 d6 5. O-O O-O 6. d4 exd4 7. Nxd4 Bd7) 3... Nxe4 4. Qh5?! { (-2.65 → -3.54) Inaccuracy. Qe2 was best. } (4. Qe2 d5) 4... d5 5. Qxe5+ Be6 6. Bxd5?? { (-3.39 → -7.92) Blunder. Bb5+ was best. } (6. Bb5+) 6... Nd6?? { (-7.92 → 4.31) Blunder. Qxd5 was best. } (6... Qxd5 7. Qxd5 Bxd5 8. f3 Nf6 9. Bb2 Be6 10. Nc3 Na6 11. O-O-O O-O-O 12. Nge2 Bd7 13. Rhe1) 7. Bxe6 fxe6 8. Qh5+? { (4.95 → 2.98) Mistake. Qxe6+ was best. } (8. Qxe6+) 8... g6? { (2.98 → 5.04) Mistake. Kd7 was best. } (8... Kd7 9. Bb2) 9. Qe5 Be7?! { (4.89 → 8.92) Inaccuracy. Rg8 was best. } (9... Rg8 10. Qxe6+) 10. Qxh8+ Bf8 11. Qxh7 Nb5 12. Qxg6+ Kd7 13. Nf3 Kc6 14. Ne5+ Kb6 15. Qxe6+ Ka5?! { (10.92 → Mate in 4) Checkmate is now unavoidable. c6 was best. } (15... c6 16. Bb2 Kc7 17. Nc3 Nd7 18. Nxd7 Qxd7 19. Qxd7+ Kxd7 20. Ne4 Nd6 21. Nxd6 Bxd6 22. Ke2) 16. d3?! { (Mate in 4 → 11.42) Lost forced checkmate sequence. Nc4+ was best. } (16. Nc4+ Kb4 17. c3+ Nxc3 18. Ba3+ Kb5 19. Nxc3#) 16... Bc5?! { (11.42 → Mate in 4) Checkmate is now unavoidable. c6 was best. } (16... c6 17. Be3) 17. Bd2+ Bb4 18. Bxb4+ Kxb4 19. Qc4+ Ka5 20. a4 a6 21. b4+ Kb6 22. axb5?! { (Mate in 1 → 16.78) Lost forced checkmate sequence. Qc5# was best. } (22. Qc5#) 22... Qf6?! { (16.78 → Mate in 1) Checkmate is now unavoidable. Qd6 was best. } (22... Qd6 23. d4) 23. Qc5# { White wins by checkmate. } 1-0