lichess dev

[Event "Chéron Arena"] [Site "http://chess-academy.net/yOt4JMdN"] [Date "2025.02.04"] [Round "-"] [White "ianis_sp"] [Black "Ariadna"] [Result "0-1"] [UTCDate "2025.02.04"] [UTCTime "17:18:50"] [WhiteElo "1500"] [BlackElo "1500"] [WhiteRatingDiff "-163"] [BlackRatingDiff "+162"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Anderssen Opening"] [Termination "Time forfeit"] [Annotator "chess-academy.net"] 1. a3 { A00 Anderssen Opening } e6 2. Nc3?! { (0.37 → -0.34) Inaccuracy. Best move was d4. } (2. d4 d5 3. e3 Be7 4. c4 Nf6 5. Nf3 O-O 6. b4 b6 7. cxd5 exd5 8. Bd3 Nbd7) 2... d5 3. d3?! { (0.13 → -0.86) Inaccuracy. Best move was d4. } (3. d4 Nf6 4. Bf4 Bd6 5. e3 Bxf4 6. exf4 b6 7. Bb5+ c6 8. Be2 O-O 9. Nf3 c5) 3... Bc5? { (-0.86 → 0.65) Mistake. Best move was c5. } (3... c5 4. Nf3) 4. Nb5? { (0.65 → -1.01) Mistake. Best move was d4. } (4. d4 Bb6 5. Nf3 Nf6 6. Na4 O-O 7. e3 Nbd7 8. Nxb6 Nxb6 9. b3 Ne4 10. Bd3 Nc3) 4... Qf6?? { (-1.01 → 3.44) Blunder. Best move was a6. } (4... a6 5. Nc3 Nf6 6. Nf3 O-O 7. g3 Be7 8. Bg2 c5 9. O-O h6 10. Ne5 Nbd7 11. Nf3) 5. Nxc7+ Ke7?? { (2.77 → 6.61) Blunder. Best move was Kd8. } (5... Kd8 6. Nxa8) 6. Nh3? { (6.61 → 5.18) Mistake. Best move was Nf3. } (6. Nf3) 6... d4?? { (5.18 → 12.56) Blunder. Best move was Kf8. } (6... Kf8 7. Nxa8) 7. Nxa8?? { (12.56 → 6.00) Blunder. Best move was Bg5. } (7. Bg5 Bd6 8. Nxa8 b5 9. Qd2 Bb7 10. Bxf6+ Nxf6 11. Nc7 Bxc7 12. Qb4+ Bd6 13. Qxb5 Ba8) 7... Nc6?? { (6.00 → 12.69) Blunder. Best move was h6. } (7... h6 8. e4 Bd6 9. Be2 Kf8 10. O-O Qd8 11. c4 Nc6 12. b4 e5 13. c5 Be7 14. b5) 8. Nc7?? { (12.69 → 6.24) Blunder. Best move was Bg5. } (8. Bg5 Bd6 9. c4 dxc3 10. bxc3 Qxg5 11. Nxg5 Nf6 12. Qa4 b5 13. Qh4 Bd7 14. Ne4 Rxa8) 8... b6?? { (6.24 → 15.14) Blunder. Best move was Kf8. } (8... Kf8 9. b4 Bd6 10. Nb5 Bb8 11. a4 a6 12. Na3 Nxb4 13. Nc4 Nd5 14. Ng5 Qd8 15. Nf3) 9. g4?? { (15.14 → 6.62) Blunder. Best move was Bg5. } (9. Bg5 a6 10. c4 dxc3 11. Bxf6+ Nxf6 12. b4 Bd6 13. b5 Bxc7 14. bxc6 Ng4 15. g3 b5) 9... a5?? { (6.62 → 15.61) Blunder. Best move was Kd7. } (9... Kd7 10. b4) 10. a4?? { (15.61 → 6.77) Blunder. Best move was Bg5. } (10. Bg5) 10... b5?? { (6.77 → 9.90) Blunder. Best move was Kf8. } (10... Kf8 11. Bg2 e5 12. O-O Bxg4 13. f4 Qg6 14. Nf2 Bd7 15. Ne4 Nf6 16. Kh1 Nxe4 17. Bxe4) 11. Bg2 Bb4+ 12. Kf1 Ne5 13. Ra3? { (16.44 → 7.65) Mistake. Best move was Bg5. } (13. Bg5 bxa4 14. Bxf6+ gxf6 15. Nb5 Bd7 16. Nxd4 a3 17. bxa3 Bc3 18. Nb3 Nxg4 19. Ra2 e5) 13... bxa4? { (7.65 → 14.69) Mistake. Best move was Nxg4. } (13... Nxg4 14. Ra1 Ne3+ 15. Bxe3 dxe3 16. c3 Bd6 17. Nxb5 e5 18. Nxd6 Kxd6 19. Qb3 Bxh3 20. Qb6+) 14. Rxa4 Nxg4 15. Rxb4 a4 16. Rb6 a3 17. bxa3 Qxf2+ 18. Nxf2 f5 19. Nxe6 Bxe6 20. Bg5+ Ke8 21. Rb8+ Kf7 22. Rb7+ Kf8?! { (30.73 → Mate in 7) Checkmate is now unavoidable. Best move was Kg6. } (22... Kg6 23. Nxg4) 23. Rb8+?! { (Mate in 7 → 33.00) Lost forced checkmate sequence. Best move was Qb1. } (23. Qb1 Ne7 24. Qb4 Kf7 25. Qxe7+ Kg6 26. Qxg7+ Kh5 27. Nxg4 Kxg4 28. Bf3+ Kh3 29. Qh6#) 23... Kf7 24. Nxg4 f4?! { (31.57 → Mate in 1) Checkmate is now unavoidable. Best move was Kg6. } (24... Kg6 25. Bd2 h5 26. Ne5+ Kh7 27. Re8 Nf6 28. Rxe6 Rd8 29. Nf3 Kg8 30. Qa1 f4 31. Nxd4) 25. Qc1?! { (Mate in 1 → Mate in 8) Not the best checkmate sequence. Best move was Ne5#. } (25. Ne5#) 25... h5 26. Nh6+?! { (Mate in 1 → Mate in 8) Not the best checkmate sequence. Best move was Ne5#. } (26. Ne5#) 26... Kg6 27. Nxg8 Kf7 28. Ne7?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Qxf4+. } (28. Qxf4+ Kg6 29. Be4+ Bf5 30. Qxf5#) 28... h4 29. Bxf4?! { (Mate in 2 → Mate in 7) Not the best checkmate sequence. Best move was Qxf4+. } (29. Qxf4+ Bf5 30. Qxf5#) 29... h3 { Black wins on time. } 0-1