FEN
[Event "June Megatournament"]
[Site "https://cohenchessclub.com/yb9Abkrx"]
[Date "2023.06.11"]
[White "RoWaN"]
[Black "Oskar"]
[Result "0-1"]
[UTCDate "2023.06.11"]
[UTCTime "19:38:23"]
[WhiteElo "1506"]
[BlackElo "1939"]
[WhiteRatingDiff "-1"]
[BlackRatingDiff "+1"]
[WhiteTitle "NM🎼"]
[BlackTitle "GM🦃"]
[Variant "Standard"]
[TimeControl "600+2"]
[ECO "C20"]
[Opening "King's Pawn Game: Leonardis Variation"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. d3 e5 2. e4 { C20 King's Pawn Game: Leonardis Variation } g6?! { (-0.26 → 0.72) Inaccuracy. Nf6 was best. } (2... Nf6 3. f4 exf4 4. Bxf4 Nc6 5. Nf3 Qe7 6. Nc3 d5 7. Qe2) 3. b3? { (0.72 → -0.37) Mistake. d4 was best. } (3. d4 Bg7 4. dxe5 Nc6 5. Nf3 Nxe5 6. Nxe5 Bxe5 7. Bc4 d6 8. O-O Ne7 9. Nd2 O-O) 3... Bg7 4. Bb2 Nc6 5. Nf3 d6 6. Nbd2 Nf6?! { (-0.67 → 0.00) Inaccuracy. f5 was best. } (6... f5) 7. d4? { (0.00 → -1.49) Mistake. g3 was best. } (7. g3 O-O 8. Bg2 b5 9. O-O Nd7 10. Re1 Nc5 11. Nf1 Bg4 12. Ne3 Bxf3 13. Bxf3 Nd4) 7... exd4 8. Nxd4 Nxd4 9. Bxd4 c5?? { (-1.59 → 0.00) Blunder. O-O was best. } (9... O-O) 10. Bb2?! { (0.00 → -0.58) Inaccuracy. Bb5+ was best. } (10. Bb5+ Bd7 11. Bxd7+ Qxd7 12. Bc3 d5 13. exd5 O-O 14. O-O Nxd5 15. Bxg7 Kxg7 16. Qf3 Rfe8) 10... Bg4? { (-0.58 → 0.73) Mistake. O-O was best. } (10... O-O 11. Bd3) 11. f3? { (0.73 → -0.28) Mistake. Bb5+ was best. } (11. Bb5+ Bd7) 11... Be6? { (-0.28 → 0.79) Mistake. Bd7 was best. } (11... Bd7 12. Be2 O-O 13. O-O Bc6 14. Re1 Re8 15. Bf1 b5 16. a4 a6 17. axb5 axb5 18. Rxa8) 12. Nc4?! { (0.79 → -0.06) Inaccuracy. Bb5+ was best. } (12. Bb5+ Bd7 13. Bxd7+ Qxd7 14. O-O O-O 15. c4 b5 16. Qc2 b4 17. Rfe1 a5 18. a4 bxa3) 12... Bxc4? { (-0.06 → 1.10) Mistake. d5 was best. } (12... d5 13. exd5) 13. Bxc4 O-O 14. Qd3? { (1.16 → 0.00) Mistake. O-O was best. } (14. O-O d5 15. exd5 Ne8 16. Qc1 Bf6 17. Re1 Nd6 18. Bxf6 Qxf6 19. Qe3 Rfe8 20. Qxc5 Rxe1+) 14... Re8?? { (0.00 → 2.25) Blunder. d5 was best. } (14... d5 15. Bxd5 Nxd5 16. Bxg7 Nb4 17. Qc3 Nxc2+ 18. Qxc2 Kxg7 19. Qc3+ Kg8 20. h4 h5 21. Qxc5) 15. O-O-O Bh6+? { (2.33 → 4.68) Mistake. d5 was best. } (15... d5 16. Bxd5) 16. Kb1 Bf4 17. Bxf6?? { (4.78 → 0.85) Blunder. g3 was best. } (17. g3 Be5) 17... Qxf6 18. Qd5 Rab8 19. g3 Be3?? { (0.49 → 2.22) Blunder. Be5 was best. } (19... Be5) 20. Rhe1?? { (2.22 → -0.08) Blunder. Qxd6 was best. } (20. Qxd6 Qxd6) 20... Bd4 21. Rd3?? { (-0.20 → -3.73) Blunder. f4 was best. } (21. f4 a6) 21... b5 22. Bxb5? { (-3.52 → -5.76) Mistake. Rxd4 was best. } (22. Rxd4 cxd4 23. Bd3 Qe5 24. Qxe5 dxe5 25. Kb2 Rb6 26. Ra1 Re7 27. f4 Rf6 28. Rf1 a6) 22... Rxb5 23. c3?! { (-5.63 → -7.89) Inaccuracy. f4 was best. } (23. f4 Rbb8) 23... Bxc3 24. Rxc3 Qxc3 25. Rc1 Qxf3 26. Qc6? { (-9.47 → Mate in 7) Checkmate is now unavoidable. Qd1 was best. } (26. Qd1 Qxe4+) 26... Qxe4+? { (Mate in 7 → -9.40) Lost forced checkmate sequence. Rxb3+ was best. } (26... Rxb3+ 27. axb3 Qxb3+ 28. Ka1 Rb8 29. Qc8+ Rxc8 30. Rc3 Qxc3+ 31. Ka2 Rb8 32. h3 Qb2#) 27. Qxe4 Rxe4 28. a4 Rxb3+ 29. Ka2 Rb8 30. Rb1?! { (-12.91 → Mate in 1) Checkmate is now unavoidable. Ka3 was best. } (30. Ka3 Re3+) 30... Rxa4# { Black wins by checkmate. } 0-1