lichess dev

[Event "Koltanowski Arena"] [Site "http://chess-academy.net/DQ2GU6gL"] [Date "2025.03.06"] [Round "-"] [White "muntean_victor"] [Black "Razvan8"] [Result "1-0"] [UTCDate "2025.03.06"] [UTCTime "17:15:22"] [WhiteElo "1965"] [BlackElo "1593"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "600+0"] [ECO "B45"] [Opening "Sicilian Defense: Paulsen Variation, Normal Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. Nc3 c5?! { (-0.10 → 0.57) Inaccuracy. Best move was d5. } (1... d5 2. d4 Nf6 3. Bf4 e6 4. e3 Bb4 5. Ne2 O-O 6. g3) 2. e4 e6 3. Nge2 Nc6 4. d4 cxd4 5. Nxd4 { B45 Sicilian Defense: Paulsen Variation, Normal Variation } Nxd4? { (0.22 → 1.44) Mistake. Best move was Nf6. } (5... Nf6 6. Be2 d5 7. O-O dxe4 8. Nxc6 Qxd1 9. Rxd1 bxc6 10. Rd4) 6. Qxd4 Nf6? { (0.89 → 1.97) Mistake. Best move was Ne7. } (6... Ne7 7. Bf4) 7. e5 Nh5?? { (1.69 → 4.71) Blunder. Best move was Ng8. } (7... Ng8 8. Ne4) 8. g4 Qh4?? { (4.23 → 7.31) Blunder. Best move was Nf6. } (8... Nf6 9. exf6) 9. Ne4 Qxg4?? { (6.73 → 11.59) Blunder. Best move was Qd8. } (9... Qd8 10. gxh5) 10. Nd6+ Bxd6 11. Qxg4 Bxe5 12. Qxh5 Bd6 13. Bd3 g6 14. Qg4 O-O 15. Qd4 e5?! { (13.94 → Mate in 7) Checkmate is now unavoidable. Best move was Be7. } (15... Be7 16. Bh6) 16. Qxd6 Re8 17. Bc4?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Bh6. } (17. Bh6 e4 18. Qf6 exd3+ 19. Kf1 Re1+ 20. Rxe1 dxc2 21. Qg7#) 17... a6 18. Qf6?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Bh6. } (18. Bh6 e4 19. Qf6 Re6 20. Qg7#) 18... Rf8 19. Bh6 b5 20. Qg7# { White wins by checkmate. } 1-0