FEN
[Event " MrCohenOS Arena"]
[Site "https://cohenchessclub.com/tjBCObm8"]
[Date "2026.09.11"]
[White "Mark2"]
[Black "Jenna"]
[Result "0-1"]
[UTCDate "2026.09.11"]
[UTCTime "23:43:33"]
[WhiteElo "1166"]
[BlackElo "1490"]
[WhiteRatingDiff "-3"]
[BlackRatingDiff "+2"]
[WhiteTitle "࿄"]
[BlackTitle "NM"]
[Variant "Standard"]
[TimeControl "420+2"]
[ECO "C46"]
[Opening "Four Knights Game"]
[Termination "Normal"]
[Annotator "cohenchessclub.com"]
1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 { C46 Four Knights Game } 4. g3 Bc5 5. Bg2 O-O?! { (-0.17 → 0.57) Inaccuracy. d6 was best. } (5... d6 6. d3 a5 7. Na4 Ba7 8. O-O h6 9. Nc3 O-O 10. h3 Be6 11. Nb5 Bb6 12. c4) 6. O-O?! { (0.57 → -0.27) Inaccuracy. Nxe5 was best. } (6. Nxe5 Nxe5 7. d4 Bd6 8. dxe5 Bxe5 9. O-O c6 10. Re1 Re8 11. a4 a5 12. f4 Bxc3) 6... d6 7. d4? { (-0.21 → -1.62) Mistake. d3 was best. } (7. d3 a5 8. Na4 Ba7 9. Nc3 Nd4 10. Nxd4 Bxd4 11. Ne2 Bb6 12. h3 c6 13. c4 a4) 7... exd4 8. Nxd4?? { (-2.14 → -7.17) Blunder. Ne2 was best. } (8. Ne2 Nxe4) 8... Bxd4 9. Nb5 Bc5 10. e5 dxe5 11. Qf3 Bg4 12. Qd3 Nb4 13. Qb3 Nc6 14. Be4 Nxe4 15. Re1 Bxf2+ 16. Kf1 Bxe1 17. Na3?! { (-23.10 → Mate in 4) Checkmate is now unavoidable. Be3 was best. } (17. Be3 Nd2+) 17... Bb4?! { (Mate in 4 → -24.77) Lost forced checkmate sequence. Qd1 was best. } (17... Qd1 18. Kg2 Qe2+ 19. Kg1 Qf2+ 20. Kh1 Qf1#) 18. Nb1?! { (-24.77 → Mate in 4) Checkmate is now unavoidable. Kg2 was best. } (18. Kg2 Qf6) 18... h6?! { (Mate in 4 → -29.15) Lost forced checkmate sequence. Qd1+ was best. } (18... Qd1+ 19. Kg2 Qe2+ 20. Kg1 Qf2+ 21. Kh1 Qf1#) 19. h3?! { (-29.15 → Mate in 5) Checkmate is now unavoidable. Nc3 was best. } (19. Nc3 Qf6+ 20. Bf4 Nd2+ 21. Kg2 Bf3+ 22. Kf2 Bc5+ 23. Ke1 Nxb3 24. cxb3 exf4 25. Rd1 Bg4) 19... Bxh3+ 20. Kg1 Qf6?! { (Mate in 4 → -29.85) Lost forced checkmate sequence. Qd1+ was best. } (20... Qd1+ 21. Kh2 Qf1 22. Qf3 Qxf3 23. Kxh3 Qxg3#) 21. Kh2?! { (-29.85 → Mate in 3) Checkmate is now unavoidable. Bf4 was best. } (21. Bf4 exf4) 21... Qf1 22. Nd2 Qg2# { Black wins by checkmate. } 0-1