CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/stVJnWJG"] [Date "2026.07.05"] [White "Ellie2"] [Black "Sydney"] [Result "1-0"] [UTCDate "2026.07.05"] [UTCTime "17:36:00"] [WhiteElo "1523"] [BlackElo "1056"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-2"] [WhiteTitle "GM🏆"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B00"] [Opening "King's Pawn Game: Nimzowitsch Defense"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. d4 Nc6 2. e4 { B00 King's Pawn Game: Nimzowitsch Defense } e6 3. Nf3 Nf6 4. e5 Nd5 5. a3 Be7? { (1.61 → 2.87) Mistake. d6 was best. } (5... d6 6. Bd3) 6. Bc4?? { (2.87 → 0.95) Blunder. c4 was best. } (6. c4 Nb6 7. d5 Na5 8. d6 cxd6 9. exd6 Bxd6 10. Qxd6 Nb3 11. c5 Na4 12. Qd1 Naxc5) 6... b5?? { (0.95 → 2.90) Blunder. a6 was best. } (6... a6 7. Bd3 b5 8. Nc3 Nxc3 9. bxc3 Bb7 10. O-O Na5 11. a4 Nc4 12. Nd2 Nxd2 13. Bxd2) 7. Bxd5? { (2.90 → 1.19) Mistake. Bxb5 was best. } (7. Bxb5) 7... exd5 8. Nc3 b4? { (1.00 → 2.53) Mistake. d6 was best. } (8... d6 9. exd6 Bxd6 10. Qe2+ Ne7 11. Nxb5 a5 12. O-O Ba6 13. Bg5 Qd7 14. Nxd6+ cxd6 15. Qxe7+) 9. Nxd5 bxa3 10. bxa3?! { (2.62 → 1.99) Inaccuracy. b3 was best. } (10. b3 O-O) 10... O-O 11. Bg5?? { (1.87 → -3.58) Blunder. c4 was best. } (11. c4 d6 12. O-O dxe5 13. dxe5 Be6 14. Qa4 Bxd5 15. Rd1 Bxf3 16. Rxd8 Rfxd8 17. gxf3 Nxe5) 11... d6?? { (-3.58 → 1.95) Blunder. Bxg5 was best. } (11... Bxg5 12. h4) 12. Bxe7?! { (1.95 → 1.35) Inaccuracy. Nxe7+ was best. } (12. Nxe7+ Nxe7 13. O-O dxe5 14. Bxe7 Qxe7 15. Nxe5 Qd6 16. Nc4 Qf4 17. Ne3 Bd7 18. Qd2 Rae8) 12... Nxe7 13. Nxe7+ Qxe7 14. O-O dxe5?! { (1.54 → 2.12) Inaccuracy. Bb7 was best. } (14... Bb7) 15. dxe5?? { (2.12 → 0.32) Blunder. Nxe5 was best. } (15. Nxe5 Ba6 16. Re1 Rae8 17. h3 Qd6 18. c3 Re6 19. Qa4 Qd5 20. Ng4 Bb7 21. f3 Ra8) 15... a5?! { (0.32 → 1.03) Inaccuracy. Bg4 was best. } (15... Bg4) 16. Qd3 Ba6 17. c4 Qc5?? { (0.76 → 3.22) Blunder. h6 was best. } (17... h6 18. h3) 18. Rfc1?? { (3.22 → 0.65) Blunder. Ng5 was best. } (18. Ng5) 18... Qa7?? { (0.65 → 7.37) Blunder. Rad8 was best. } (18... Rad8 19. Qe4 Bc8 20. h3 h6 21. Rc3 Be6 22. Rb1 Rd7 23. Qe3 Qxe3 24. fxe3 Rfd8 25. Nd4) 19. Ng5 h6? { (7.36 → Mate in 1) Checkmate is now unavoidable. g6 was best. } (19... g6 20. Qh3) 20. Qh7# { White wins by checkmate. } 1-0