lichess dev

[Event "Taimanov Arena"] [Site "http://chess-academy.net/rxKGMLNo"] [Date "2026.02.17"] [Round "-"] [White "Marcus01"] [Black "DavidP"] [Result "1-0"] [UTCDate "2026.02.17"] [UTCTime "17:17:11"] [WhiteElo "1421"] [BlackElo "1169"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-6"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B30"] [Opening "Sicilian Defense: Old Sicilian"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 2. Nf3 Nc6 { B30 Sicilian Defense: Old Sicilian } 3. Nc3?! { (0.63 → -0.01) Inaccuracy. Best move was Bb5. } (3. Bb5 e6 4. O-O Nge7 5. d4 cxd4 6. Nxd4 Qb6 7. Nxc6 bxc6) 3... Na5? { (-0.01 → 1.43) Mistake. Best move was d6. } (3... d6 4. Bb5 e5 5. d3 Be7 6. O-O Nf6 7. Bg5 O-O 8. h3 Be6 9. Bc4 Rc8 10. Bxf6) 4. Ng5? { (1.43 → -0.01) Mistake. Best move was d4. } (4. d4 cxd4 5. Nxd4 d6 6. Bg5 h6 7. Be3 e6 8. Be2 Nc6 9. f4 Nf6 10. Bb5 Bd7) 4... Qb6? { (-0.01 → 2.11) Mistake. Best move was e5. } (4... e5 5. Nf3 d6 6. Bb5+ Nc6 7. d3 Be7 8. O-O Nf6 9. Bg5 O-O 10. Bc4 Be6 11. Bxf6) 5. Qf3? { (2.11 → 0.43) Mistake. Best move was Qh5. } (5. Qh5 Nh6) 5... c4?? { (0.43 → 24.51) Blunder. Best move was f6. } (5... f6) 6. Qxf7+ Kd8 7. Qxf8+ Kc7 8. Qf4+ Kd8 9. Qf8+ Kc7 10. Nd5+ Kc6 11. Nxb6 Kxb6 12. Qxg7 h5 13. Qxh8 Nf6 14. b4 d5 15. exd5 Bg4 16. bxa5+ Kxa5?! { (40.00 → Mate in 7) Checkmate is now unavoidable. Best move was Kc7. } (16... Kc7 17. Qxa8) 17. Qxa8 b6 18. Qxa7+ Kb4 19. Rb1+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Ba3+. } (19. Ba3+ Kb5 20. Rb1#) 19... Kc5 20. Qc7+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qxb6+. } (20. Qxb6+ Kxd5 21. Rb5#) 20... Kxd5 21. c3 b5 22. Rxb5# { White wins by checkmate. } 1-0