lichess dev

[Event "ANS Arena"] [Site "http://chess-academy.net/Sh0kv8E6"] [Date "2026.02.17"] [Round "-"] [White "TihonConstantin"] [Black "badeateo2012"] [Result "1-0"] [UTCDate "2026.02.17"] [UTCTime "17:29:54"] [WhiteElo "1621"] [BlackElo "1220"] [WhiteRatingDiff "+28"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C25"] [Opening "Vienna Game: Anderssen Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nc3 Bc5?! { (0.00 → 0.65) Inaccuracy. Best move was Nf6. } { C25 Vienna Game: Anderssen Defense } (2... Nf6 3. Bc4 Bb4 4. Nf3 Bxc3 5. dxc3 Nc6 6. O-O O-O 7. Re1) 3. a4?! { (0.65 → -0.33) Inaccuracy. Best move was Nf3. } (3. Nf3 d6 4. Na4 Bb6 5. Nxb6 axb6 6. d4 exd4 7. Nxd4 Nf6 8. Bd3 O-O 9. O-O Re8) 3... Bxf2+?? { (-0.33 → 3.88) Blunder. Best move was d6. } (3... d6 4. Nf3 Nf6 5. Bc4 Nc6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qd1 c6 10. O-O) 4. Kxf2 Qf6+? { (3.43 → 5.16) Mistake. Best move was Nf6. } (4... Nf6 5. Nf3 d6 6. Be2 O-O 7. Rf1 h6 8. Kg1 Nc6 9. b3 Nd4 10. Nxd4 exd4 11. Nb5) 5. Ke1? { (5.16 → 3.38) Mistake. Best move was Nf3. } (5. Nf3 Ne7) 5... Nh6? { (3.38 → 5.45) Mistake. Best move was Nc6. } (5... Nc6 6. Nf3) 6. d3? { (5.45 → 4.04) Mistake. Best move was Nf3. } (6. Nf3) 6... Ng4?? { (4.04 → 8.89) Blunder. Best move was c6. } (6... c6 7. Nf3) 7. Qxg4 h5 8. Qd1?! { (9.09 → 8.52) Inaccuracy. Best move was Qg3. } (8. Qg3 c6 9. Nf3 d6 10. Be3 Nd7 11. Be2 a5 12. Kf2 g6 13. Kg1 Kf8 14. Re1 Qe6) 8... Nc6 9. Nd5 Nd4? { (8.68 → 19.19) Mistake. Best move was Qd6. } (9... Qd6 10. Nf3) 10. Nxf6+ gxf6 11. c3 Nf3+ 12. gxf3 d6 13. c4 Rg8 14. Bh3 Bd7 15. Bxd7+ Kd8 16. Bh3 Rxg1+?! { (28.12 → Mate in 9) Checkmate is now unavoidable. Best move was Ke7. } (16... Ke7 17. Ne2) 17. Rxg1 Ke7?! { (38.88 → Mate in 8) Checkmate is now unavoidable. Best move was f5. } (17... f5 18. Rg8+) 18. f4?! { (Mate in 8 → 28.43) Lost forced checkmate sequence. Best move was Qb3. } (18. Qb3 Rb8 19. Qb5 f5 20. Bxf5 c6 21. Qa5 b6 22. Qxa7+ Rb7 23. Qxb7+ Kf6 24. Rg8 h4) 18... Rg8?! { (28.43 → Mate in 6) Checkmate is now unavoidable. Best move was Rh8. } (18... Rh8 19. Qb3) 19. Rxg8 d5 20. cxd5?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qb3. } (20. Qb3 b6 21. Qb5 f5 22. Qxd5 f6 23. Rg7+ Ke8 24. Qa8#) 20... c5 21. Qxh5 f5 22. exf5?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qxf5. } (22. Qxf5 Kd6 23. Qxe5#) 22... c4 23. Qh4+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was fxe5. } (23. fxe5 f6 24. Qh7#) 23... Kd7 24. Qd8# { White wins by checkmate. } 1-0