lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/RE9ZmSaO"] [Date "2026.02.05"] [Round "-"] [White "RomanSereda"] [Black "Marcus01"] [Result "1-0"] [UTCDate "2026.02.05"] [UTCTime "17:12:51"] [WhiteElo "1681"] [BlackElo "1461"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-6"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e5 2. Qh5? { (0.41 → -0.81) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... g6?? { (-0.81 → 8.75) Blunder. Best move was Nc6. } (2... Nc6 3. Qd1 d5 4. d4 Bd6 5. Bb5 exd4 6. exd4 Ne7 7. Nf3) 3. Qxe5+ Qe7 4. Qxh8 f6? { (8.35 → 12.50) Mistake. Best move was Nf6. } (4... Nf6 5. b3 d6 6. Bb2 Nh5 7. Nc3 Be6 8. O-O-O Nd7 9. Nb5 O-O-O 10. Qc3 Ne5 11. Nxa7+) 5. Qxg8 Qg7 6. Qxg7 Bxg7 7. Nc3 f5 8. Nd5 Na6 9. Bxa6 Kd8 10. Be2 c6 11. Nb4 a5 12. Nd3 d5 13. Nf4 Bh6 14. d4 Bxf4 15. exf4 h6 16. Bd2 b6 17. b4 axb4 18. Bxb4 Kc7 19. Nf3 g5 20. fxg5 hxg5 21. Nxg5 f4 22. O-O f3 23. Bxf3 Ra4 24. Bc3 c5 25. dxc5 bxc5 26. Be5+ Kb7?! { (24.57 → Mate in 12) Checkmate is now unavoidable. Best move was Kd8. } (26... Kd8 27. Bxd5) 27. Bxd5+ Kb6 28. Ne4 Rb4 29. Rab1 Rxb1 30. Rxb1+ Ka6 31. Nxc5+ Ka5 32. Bc3# { White wins by checkmate. } 1-0