lichess dev

[Event "Ariadna Arena"] [Site "http://chess-academy.net/olZovfpT"] [Date "2025.03.24"] [Round "-"] [White "Luca-Stefan"] [Black "Alexandra81"] [Result "1-0"] [UTCDate "2025.03.24"] [UTCTime "13:53:18"] [WhiteElo "1738"] [BlackElo "1211"] [WhiteRatingDiff "+6"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "900+0"] [ECO "C42"] [Opening "Petrov's Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } { C42 Petrov's Defense } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Bd3? { (0.73 → -1.04) Mistake. Best move was Nxe5. } (3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6) 3... Nc6? { (-1.04 → 0.08) Mistake. Best move was d5. } (3... d5) 4. O-O g6?! { (-0.32 → 0.40) Inaccuracy. Best move was Bc5. } (4... Bc5 5. Nc3 O-O 6. Bc4 d6 7. h3 Nd4 8. d3 c6 9. Nxd4) 5. Re1 h5? { (0.16 → 1.56) Mistake. Best move was Bg7. } (5... Bg7 6. Bb5 O-O 7. c3 d5 8. exd5 Nxd5 9. d3 Re8 10. Nbd2 h6 11. Nc4 f6 12. Ncd2) 6. h3? { (1.56 → 0.52) Mistake. Best move was c3. } (6. c3) 6... Nb4? { (0.52 → 2.66) Mistake. Best move was Bg7. } (6... Bg7 7. Bb5 O-O 8. d3 Nh7 9. c3 d6 10. d4 Bd7 11. d5 Ne7 12. Bxd7 Qxd7 13. c4) 7. a3? { (2.66 → 0.31) Mistake. Best move was Bc4. } (7. Bc4 Bg7 8. Nxe5 d5 9. Bb5+ Kf8 10. exd5 Nfxd5 11. d3 c6 12. Bc4 Bf5 13. a3 Na6) 7... a5?? { (0.31 → 6.57) Blunder. Best move was Nxd3. } (7... Nxd3 8. cxd3) 8. axb4 axb4?? { (6.23 → 11.67) Blunder. Best move was Bxb4. } (8... Bxb4 9. Nxe5) 9. Rxa8 b5 10. Bxb5 c5 11. Ba6 d5 12. Rxc8 Ke7 13. Rxd8 Kxd8 14. exd5 Nxd5?! { (28.21 → Mate in 8) Checkmate is now unavoidable. Best move was Bd6. } (14... Bd6 15. Nxe5) 15. Nxe5 f5 16. Nf7+ Kc7 17. Nxh8?! { (Mate in 6 → 36.04) Lost forced checkmate sequence. Best move was Qf3. } (17. Qf3 Kb6 18. Qxd5 Kxa6 19. Qc6+ Ka7 20. Re8 Bd6 21. Nxd6 Rxe8 22. Qb7#) 17... g5?! { (36.04 → Mate in 7) Checkmate is now unavoidable. Best move was Nf6. } (17... Nf6 18. Nxg6) 18. d4 f4 19. dxc5 Bxc5 20. Qxd5 g4 21. Re7+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qb7+. } (21. Qb7+ Kd8 22. Nf7#) 21... Kb6 22. Re6+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qb7+. } (22. Qb7+ Ka5 23. Qb5#) 22... Ka5 23. Qxc5+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qa2#. } (23. Qa2#) 23... Ka4 24. c3?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was b3#. } (24. b3#) 24... Kb3 25. Qxb4+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Nd2+. } (25. Nd2+ Kc2 26. Re1 gxh3 27. cxb4#) 25... Kc2 26. Na3+ Kxc1 27. Re1+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was c4. } (27. c4 gxh3 28. Re1#) 27... Kd2 28. c4+ Kd3 29. c5# { White wins by checkmate. } 1-0