lichess dev

[Event "Ariadna Arena"] [Site "http://chess-academy.net/YSim4FS5"] [Date "2025.03.01"] [Round "-"] [White "Tristan11"] [Black "Ariadna"] [Result "1-0"] [UTCDate "2025.03.01"] [UTCTime "16:31:36"] [WhiteElo "1500"] [BlackElo "1159"] [WhiteRatingDiff "+64"] [BlackRatingDiff "-13"] [Variant "Standard"] [TimeControl "600+3"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. h3?! { (0.34 → -0.20) Inaccuracy. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... Qf6?! { (-0.20 → 0.74) Inaccuracy. Best move was d5. } (2... d5 3. Nf3 c5 4. d4 Be7 5. c4 Nf6 6. cxd5 Nxd5 7. Nc3 O-O 8. Bd3 Nc6 9. O-O) 3. Nf3 Bc5? { (0.33 → 1.72) Mistake. Best move was Qd8. } (3... Qd8 4. c4) 4. Nc3?! { (1.72 → 0.78) Inaccuracy. Best move was d4. } (4. d4 Bb6) 4... Nc6?! { (0.78 → 1.35) Inaccuracy. Best move was d5. } (4... d5 5. d4) 5. d3? { (1.35 → 0.26) Mistake. Best move was Ne4. } (5. Ne4 Qe7) 5... d5?! { (0.26 → 0.83) Inaccuracy. Best move was Bb6. } (5... Bb6) 6. Bd2?! { (0.83 → 0.05) Inaccuracy. Best move was d4. } (6. d4 Bb4 7. Bb5 Qd8 8. O-O Nf6 9. Ne2 O-O 10. c4 Be7 11. c5 Ne4 12. a3 a6) 6... d4? { (0.05 → 2.36) Mistake. Best move was a6. } (6... a6 7. d4 Bd6 8. Bd3 Nge7 9. O-O O-O 10. Kh1 h6 11. Ne2 Bd7 12. Ng3 Bxg3 13. fxg3) 7. exd4? { (2.36 → 0.51) Mistake. Best move was Ne4. } (7. Ne4 Qe7 8. Nxc5 Qxc5 9. exd4 Qd6 10. c3 Nge7 11. b4 O-O 12. a4 b6 13. g3 e5) 7... Bxd4? { (0.51 → 1.76) Mistake. Best move was Nxd4. } (7... Nxd4) 8. Nxd4? { (1.76 → 0.48) Mistake. Best move was Ne4. } (8. Ne4 Qe7) 8... Nxd4 9. Be3?! { (0.83 → 0.01) Inaccuracy. Best move was Ne4. } (9. Ne4 Qg6) 9... Nc6? { (0.01 → 1.59) Mistake. Best move was e5. } (9... e5 10. Ne4 Qc6 11. Bxd4 exd4 12. Be2 Nf6 13. O-O O-O 14. Re1 Bd7 15. Bf3 Qb6 16. c3) 10. Nb5? { (1.59 → 0.33) Mistake. Best move was Qd2. } (10. Qd2 Nge7) 10... Kd8? { (0.33 → 2.39) Mistake. Best move was Qe7. } (10... Qe7 11. Qd2 Nf6 12. O-O-O Nd5 13. d4 Ncb4 14. Kb1 a6 15. Na3 Nf6 16. f3 Nbd5 17. c4) 11. Be2? { (2.39 → 1.36) Mistake. Best move was c4. } (11. c4) 11... Qxb2?! { (1.36 → 2.29) Inaccuracy. Best move was Nge7. } (11... Nge7) 12. Bf4?? { (2.29 → -3.87) Blunder. Best move was Rb1. } (12. Rb1 Qf6 13. d4 Nge7 14. O-O a6 15. Nc3 Ke8 16. Bd3 Kf8 17. Ne4 Qg6 18. Nd6 f5) 12... Qxb5 13. d4?! { (-3.47 → -4.11) Inaccuracy. Best move was c3. } (13. c3 Qa5 14. O-O Qxc3 15. d4 Nf6 16. Rc1 Qa5 17. Rc5 Qxa2 18. Bf3 Bd7 19. Rg5 Qa3) 13... Nxd4?? { (-4.11 → 13.20) Blunder. Best move was Qb4+. } (13... Qb4+) 14. Bxb5 c6 15. Qxd4+ Bd7?! { (30.94 → Mate in 8) Checkmate is now unavoidable. Best move was Ke8. } (15... Ke8 16. Qxg7) 16. Qxg7 Ke7?! { (27.86 → Mate in 6) Checkmate is now unavoidable. Best move was e5. } (16... e5 17. Qf8+) 17. Bg5+ Kd6 18. Qxh8?! { (Mate in 6 → 34.26) Lost forced checkmate sequence. Best move was Rd1+. } (18. Rd1+ Kc7 19. Qe5+ Kc8 20. Qd6 Nf6 21. Bxf6 a5 22. Be5 cxb5 23. Qxd7#) 18... cxb5?! { (34.26 → Mate in 6) Checkmate is now unavoidable. Best move was f6. } (18... f6 19. O-O-O+) 19. Rd1+ Kc7 20. Bf4+?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qe5+. } (20. Qe5+ Kc8 21. Qc5+ Bc6 22. Qd6 b6 23. Qxc6+ Kb8 24. Rd8#) 20... Kb6 21. Rxd7 Nf6 22. Qxf6 h5 23. Bc7+?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Qc3. } (23. Qc3 Ka6 24. Qa3+ Kb6 25. Be3+ Kc6 26. Qd6#) 23... Kc6 24. Qe7?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Rd6+. } (24. Rd6+ Kxc7 25. Qe7+ Kc8 26. Rd8#) 24... b6 25. Qd6+ Kb7 26. Bd8+ Kc8 27. Qc7# { White wins by checkmate. } 1-0