lichess dev

[Event "Waitzkin Arena"] [Site "http://chess-academy.net/dZcmjIvL"] [Date "2026.01.15"] [Round "-"] [White "vlc13985"] [Black "TihonConstantin"] [Result "1-0"] [UTCDate "2026.01.15"] [UTCTime "17:41:47"] [WhiteElo "1999"] [BlackElo "1456"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-2"] [Variant "Standard"] [TimeControl "420+0"] [ECO "A50"] [Opening "Mexican Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 Nf6 2. c4 Nc6?! { (0.25 → 0.87) Inaccuracy. Best move was e6. } { A50 Mexican Defense } (2... e6 3. Nc3 d5 4. Nf3 c5 5. cxd5 exd5 6. Bg5 Be7 7. dxc5) 3. e3?! { (0.87 → 0.17) Inaccuracy. Best move was d5. } (3. d5) 3... e5 4. Nc3?! { (0.58 → -0.33) Inaccuracy. Best move was d5. } (4. d5) 4... exd4?! { (-0.33 → 0.52) Inaccuracy. Best move was Bb4. } (4... Bb4 5. Nf3 d6 6. Bd2 O-O 7. dxe5 dxe5 8. a3 Bxc3 9. Bxc3 Qe7 10. Qc2 Bg4 11. Be2) 5. exd4 Bb4?! { (-0.11 → 0.59) Inaccuracy. Best move was d5. } (5... d5) 6. Ne2?! { (0.59 → -0.24) Inaccuracy. Best move was Nf3. } (6. Nf3 O-O) 6... Bxc3+?! { (-0.24 → 0.66) Inaccuracy. Best move was d5. } (6... d5 7. a3) 7. Nxc3 O-O?! { (0.24 → 1.09) Inaccuracy. Best move was d5. } (7... d5 8. Bg5 dxc4 9. Qe2+ Qe7 10. Qxe7+ Nxe7 11. Bxf6 gxf6 12. Bxc4 Be6 13. d5 Bf5 14. O-O-O) 8. Be3? { (1.09 → -0.13) Mistake. Best move was d5. } (8. d5 Re8+ 9. Be2 Ne5 10. O-O d6 11. b3 Bg4 12. f3 Bd7 13. Re1 Ng6 14. Bd3 c6) 8... Ng4?? { (-0.13 → 5.64) Blunder. Best move was d5. } (8... d5 9. Be2 Re8 10. O-O dxc4 11. Bxc4 a6 12. Re1 Bf5 13. Qd2 Qd7 14. d5 Nb4 15. Rac1) 9. Bd3?? { (5.64 → 0.50) Blunder. Best move was Qxg4. } (9. Qxg4 d5) 9... Nxe3 10. fxe3 Re8? { (0.43 → 3.16) Mistake. Best move was Qh4+. } (10... Qh4+) 11. Qd2?? { (3.16 → -0.35) Blunder. Best move was O-O. } (11. O-O Qg5) 11... Nb4? { (-0.35 → 1.02) Mistake. Best move was Qh4+. } (11... Qh4+) 12. O-O?! { (1.02 → 0.10) Inaccuracy. Best move was Be2. } (12. Be2 Qh4+) 12... Nxd3 13. Qxd3 Re7? { (-0.16 → 1.14) Mistake. Best move was c6. } (13... c6 14. e4 d6 15. a4 f6 16. a5 Be6 17. Rfe1 Qc7 18. b3 Rad8 19. Qg3 Bf7 20. a6) 14. Nd5?! { (1.14 → 0.28) Inaccuracy. Best move was Rf4. } (14. Rf4 d6) 14... Re6?? { (0.28 → 5.29) Blunder. Best move was Re8. } (14... Re8 15. e4 c6 16. Nf4 d6 17. Rae1 Qh4 18. Re3 Bd7 19. Ne2 Re7 20. Ng3 Qh6 21. Ref3) 15. Qf5?? { (5.29 → 1.95) Blunder. Best move was Rxf7. } (15. Rxf7 b5 16. Qf5 Bb7 17. Nxc7 Rg6 18. Nd5 Qg5 19. Qxg5 Rxg5 20. Rxd7 Rb8 21. Rf1 h6) 15... Qe8?? { (1.95 → 8.46) Blunder. Best move was f6. } (15... f6 16. Rf3) 16. Nxc7 Rb8? { (7.97 → 18.24) Mistake. Best move was Qe7. } (16... Qe7 17. Nxa8) 17. Nxe8 Rxe8?! { (17.57 → Mate in 2) Checkmate is now unavoidable. Best move was f6. } (17... f6 18. Qc5) 18. Qxf7+ Kh8 19. Qf8+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qxe8#. } (19. Qxe8#) 19... Rxf8 20. Rxf8# { White wins by checkmate. } 1-0