lichess dev

[Event "Lasker Arena"] [Site "http://chess-academy.net/WXI8v5vr"] [Date "2025.11.25"] [Round "-"] [White "Matei2017"] [Black "Stefanmartie"] [Result "0-1"] [UTCDate "2025.11.25"] [UTCTime "17:41:27"] [WhiteElo "1569"] [BlackElo "1508"] [WhiteRatingDiff "-14"] [BlackRatingDiff "+14"] [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 } e6 2. Bc4?! { (0.34 → -0.41) Inaccuracy. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... Qh4? { (-0.41 → 0.87) Mistake. Best move was d5. } (2... d5 3. Be2 c5 4. Nf3 Nf6 5. d4 Nc6 6. O-O cxd4 7. exd4) 3. g3?? { (0.87 → -5.20) Blunder. Best move was d4. } (3. d4 d5) 3... Qe4?! { (-5.20 → -4.30) Inaccuracy. Best move was Qxc4. } (3... Qxc4) 4. Nf3 Qxc4 5. h4? { (-4.20 → -5.42) Mistake. Best move was b3. } (5. b3 Qc6) 5... Qc6?! { (-5.42 → -4.67) Inaccuracy. Best move was Qa6. } (5... Qa6) 6. Nc3?! { (-4.67 → -5.34) Inaccuracy. Best move was O-O. } (6. O-O) 6... Na6? { (-5.34 → -4.32) Mistake. Best move was Nf6. } (6... Nf6) 7. d3?! { (-4.32 → -5.14) Inaccuracy. Best move was O-O. } (7. O-O Nf6 8. Re1 Bb4 9. e4 O-O 10. e5 Nd5 11. Ne4 f5 12. exf6 Nxf6 13. Nxf6+ Rxf6) 7... Nb4? { (-5.14 → -3.82) Mistake. Best move was d6. } (7... d6 8. e4 e5 9. O-O Nf6 10. Re1 Bg4 11. Bg5 Nd7 12. Nd5 f5 13. Bd2 fxe4 14. dxe4) 8. Ne4?? { (-3.82 → -10.48) Blunder. Best move was e4. } (8. e4 d6 9. O-O e5 10. a3 Na6 11. d4 Bg4 12. Qd3 Bxf3 13. Qxf3 exd4 14. Nd5 Qd7) 8... Nf6?? { (-10.48 → -4.95) Blunder. Best move was Nxc2+. } (8... Nxc2+ 9. Ke2 Nxa1 10. Nc3 b5 11. Nd4 Qb6 12. Ndxb5 Ba6 13. Qa4 Bb7 14. e4 a6 15. Nxc7+) 9. Nfg5?? { (-4.95 → -12.40) Blunder. Best move was Nd4. } (9. Nd4 Qb6 10. Nxf6+ gxf6 11. Bd2 e5 12. a3 Nc6 13. Nb3 d5 14. Qf3 Be6 15. Qxf6 Rg8) 9... Nxe4 10. dxe4 h6? { (-12.97 → -8.25) Mistake. Best move was Nxc2+. } (10... Nxc2+ 11. Kf1) 11. Qf3? { (-8.25 → -14.32) Mistake. Best move was c3. } (11. c3 hxg5 12. cxb4 Qxe4 13. Rh2 b6 14. Qd4 Qf3 15. Qd1 Qf5 16. Bd2 Ba6 17. f4 Qe4) 11... hxg5 12. Kd1 Qd6+ 13. Ke2 gxh4 14. gxh4 Nxc2 15. Rb1 Nd4+? { (-23.31 → -8.17) Mistake. Best move was Qa6+. } (15... Qa6+) 16. Ke1? { (-8.17 → -39.53) Mistake. Best move was exd4. } (16. exd4 Qxd4) 16... Nxf3+ 17. Kf1?! { (-37.86 → Mate in 6) Checkmate is now unavoidable. Best move was Ke2. } (17. Ke2 Ne5) 17... Nxh4 18. b3 Qa6+?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qd1#. } (18... Qd1#) 19. Ke1 Nf3+ 20. Kd1 Rxh1+?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qd3+. } (20... Qd3+ 21. Bd2 Qxd2#) 21. Kc2 Ne1+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qe2+. } (21... Qe2+ 22. Kc3 Rd1 23. a4 Rd3+ 24. Kc4 Rxe3#) 22. Kd2 Bb4+?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qd3#. } (22... Qd3#) 23. Kd1 Nf3+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qd3+. } (23... Qd3+ 24. Bd2 Qxd2#) 24. Kc2 Nd4+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qe2+. } (24... Qe2+ 25. Bd2 Qxd2#) 25. Kb2 Ba3+?! { (Mate in 2 → Mate in 4) Not the best checkmate sequence. Best move was Qa3+. } (25... Qa3+ 26. Ka1 Nc2#) 26. Ka1 Nc2# { Black wins by checkmate. } 0-1