CohenChessClub.com

[Event " MrCohenOS Arena"] [Site "https://cohenchessclub.com/GlBPV7Zb"] [Date "2026.04.19"] [White "Nathaniel1"] [Black "Grayson"] [Result "0-1"] [UTCDate "2026.04.19"] [UTCTime "17:34:51"] [WhiteElo "1136"] [BlackElo "1238"] [WhiteRatingDiff "-49"] [BlackRatingDiff "+7"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B21"] [Opening "Sicilian Defense: McDonnell Attack"] [Termination "Normal"] [Annotator "cohenchessclub.com"] 1. e4 c5 2. f4 { B21 Sicilian Defense: McDonnell Attack } g6 3. Qf3 Bg7 4. d3 Nc6 5. Be3?? { (-0.51 → -8.42) Blunder. Qf2 was best. } (5. Qf2 d6 6. Nf3 Qa5+ 7. c3 b5 8. Be2 b4 9. O-O Rb8 10. h3 bxc3 11. Nxc3 Nf6) 5... e6?? { (-8.42 → -0.97) Blunder. Bxb2 was best. } (5... Bxb2) 6. Nd2 Nge7?! { (-1.21 → -0.27) Inaccuracy. Bxb2 was best. } (6... Bxb2 7. Rb1) 7. O-O-O O-O 8. Kb1 Qa5 9. Nb3?! { (0.19 → -0.55) Inaccuracy. h4 was best. } (9. h4 Qa4) 9... Qa4?? { (-0.55 → 1.80) Blunder. Qc7 was best. } (9... Qc7 10. Bxc5 d6 11. Be3 a5 12. Qf2 b5 13. Nf3 a4 14. Nbd4 b4 15. h4 h5 16. Nxc6) 10. Nxc5 Qa5 11. d4 Nb4?! { (1.69 → 2.54) Inaccuracy. d6 was best. } (11... d6 12. Nb3) 12. Bd2?? { (2.54 → Mate in 2) Checkmate is now unavoidable. a3 was best. } (12. a3 Nxc2) 12... Qxa2+ 13. Kc1 Qa1# { Black wins by checkmate. } 0-1