lichess dev

[Event "Rated Rapid tournament https://lichess.org/tournament/qFkhy9Xj"] [Site "http://chess-academy.net/8rcRAVqp"] [Date "2025.06.12"] [Round "-"] [White "RomanSereda"] [Black "LaiuDamian"] [Result "0-1"] [UTCDate "2025.06.12"] [UTCTime "16:38:48"] [WhiteElo "1452"] [BlackElo "1404"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+13"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D05"] [Opening "Colle System"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 d5 2. d4 e6 3. Nf3 Nf6 { D05 Colle System } 4. Ng5? { (0.33 → -0.70) Mistake. Best move was Bd3. } (4. Bd3 c5 5. O-O Nc6 6. b3 Be7 7. Nbd2 O-O 8. Bb2 b6) 4... c5?! { (-0.70 → -0.17) Inaccuracy. Best move was Bd6. } (4... Bd6 5. c4 O-O 6. Nc3 Nbd7 7. cxd5 exd5 8. Nb5 Be7 9. Bd3 c5 10. Nc3 a6 11. O-O) 5. dxc5? { (-0.17 → -1.20) Mistake. Best move was Be2. } (5. Be2 cxd4 6. exd4 Bd6 7. O-O O-O 8. Nf3 Nc6 9. h3 Bd7 10. b3 Ne4 11. Bb2 a5) 5... Bxc5 6. Bd2?! { (-0.57 → -1.52) Inaccuracy. Best move was c4. } (6. c4 O-O 7. Nc3 dxc4 8. Bxc4 Qxd1+ 9. Nxd1 Nc6 10. O-O h6 11. Nf3 e5 12. a3 e4) 6... O-O 7. Qf3? { (-1.33 → -3.13) Mistake. Best move was Nf3. } (7. Nf3 Re8 8. Bb5 Nc6 9. O-O e5 10. c4 e4 11. Nd4 Bxd4 12. exd4 dxc4 13. Nc3 Qxd4) 7... h6 8. Nh3?! { (-2.57 → -3.43) Inaccuracy. Best move was h4. } (8. h4 Nc6) 8... e5 9. Na3? { (-2.80 → -4.52) Mistake. Best move was Qd1. } (9. Qd1 Nc6 10. Be2 Bf5 11. O-O Qd7 12. Kh1 Rfd8 13. Ng1 a6 14. Nf3 e4 15. Nd4 Nxd4) 9... Bg4 10. Qg3 Nc6 11. Bb5? { (-4.01 → -5.63) Mistake. Best move was Bd3. } (11. Bd3 e4 12. Bf1 Qb6 13. Nb5 a6 14. Nc3 Bd6 15. Qxd6 Nb4 16. Qxf8+ Rxf8 17. Rc1 d4) 11... Qb6 12. Bxc6 bxc6 13. O-O? { (-5.16 → -7.45) Mistake. Best move was Rc1. } (13. Rc1 Qxb2) 13... Qxb2 14. Rab1?! { (-7.50 → -8.29) Inaccuracy. Best move was Ba5. } (14. Ba5 Rae8) 14... Qxa3 15. Ra1? { (-7.28 → -8.53) Mistake. Best move was Qxe5. } (15. Qxe5 Bxh3) 15... Be2 16. Rfe1? { (-8.30 → -9.65) Mistake. Best move was Qxe5. } (16. Qxe5 Bxf1) 16... Ne4 17. Qh4? { (-8.87 → -11.62) Mistake. Best move was Qxe5. } (17. Qxe5 Bg4) 17... Be7 18. Ng5 Bxg5 19. Qh3 Bc4 20. Qd7 Nxd2 21. Qxc6 Ne4 22. Rab1 Qc3 23. Qb7 Qd2 24. Red1?! { (-20.75 → Mate in 8) Checkmate is now unavoidable. Best move was Qb2. } (24. Qb2 Qxf2+ 25. Kh1 Bxe3 26. c3 Rab8 27. Qxf2 Nxf2+ 28. Kg1 Nd3+ 29. Kh1 Nxe1 30. Rxe1 Bd2) 24... Qxf2+ 25. Kh1 Bxe3 26. Rf1 Qg1+ 27. Rxg1 Nf2# { Black wins by checkmate. } 0-1