lichess dev

[Event "Kramnik Arena"] [Site "http://chess-academy.net/9ZYH1wht"] [Date "2026.03.21"] [Round "-"] [White "Tihon_Constantin"] [Black "Petrica"] [Result "1-0"] [UTCDate "2026.03.21"] [UTCTime "17:21:19"] [WhiteElo "1648"] [BlackElo "1303"] [WhiteRatingDiff "+23"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "420+0"] [ECO "C00"] [Opening "French Defense: Knight Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e6 2. Nf3 { C00 French Defense: Knight Variation } Nf6? { (0.00 → 1.24) Mistake. Best move was d5. } (2... d5 3. exd5 exd5 4. d4 Nf6 5. Bb5+ c6 6. Bd3 Qe7+ 7. Be2) 3. d3? { (1.24 → -0.04) Mistake. Best move was e5. } (3. e5 Nd5) 3... d5 4. exd5?! { (0.07 → -0.50) Inaccuracy. Best move was e5. } (4. e5 Nfd7 5. c3 c5 6. d4 Nc6 7. Be3 Be7 8. Bd3 O-O) 4... Nxd5? { (-0.50 → 0.53) Mistake. Best move was exd5. } (4... exd5 5. d4) 5. Ng5? { (0.53 → -0.97) Mistake. Best move was d4. } (5. d4 c5) 5... h6? { (-0.97 → 0.21) Mistake. Best move was Be7. } (5... Be7 6. Nf3 c5 7. c4 Nf6 8. Bf4 Nc6 9. Nc3 O-O 10. Be2 b6 11. O-O Bb7 12. Ne5) 6. Qh5?? { (0.21 → -3.81) Blunder. Best move was Nf3. } (6. Nf3 c5 7. g3 Nc6 8. Bg2 Be7 9. O-O b6 10. Re1 O-O 11. Nbd2 Bb7 12. Nc4 Qc7) 6... hxg5?? { (-3.81 → 1.68) Blunder. Best move was g6. } (6... g6) 7. Qxh8 Qd6?! { (0.91 → 1.79) Inaccuracy. Best move was Nc6. } (7... Nc6 8. Be2 Bd7 9. c3 Qe7 10. Qh5 Nf4 11. Bxf4 gxf4 12. Nd2 O-O-O 13. d4 g6 14. Qf3) 8. Bxg5?? { (1.79 → -4.60) Blunder. Best move was Nd2. } (8. Nd2 Qe5+) 8... Qe5+ 9. Be2 Qxg5? { (-4.60 → -2.74) Mistake. Best move was Qxb2. } (9... Qxb2 10. O-O Qxa1 11. Bh5 Nf6 12. Nd2 Qe5 13. Bxf6 Qxf6 14. Ne4 Qf5 15. Bf3 Nc6 16. Ng3) 10. Nc3? { (-2.74 → -4.20) Mistake. Best move was Nd2. } (10. Nd2 Nf4 11. Bf3 Qe5+ 12. Ne4 Nc6 13. O-O Nd4 14. Bd1 Bd7 15. g3 Nde2+ 16. Kh1 Qxb2) 10... Nb4? { (-4.20 → -2.32) Mistake. Best move was Qxg2. } (10... Qxg2 11. Rf1 Nc6 12. Qh4 Nxc3 13. bxc3 Ne7 14. Qe4 Qg5 15. h4 Qc5 16. Qd4 Qc6 17. Qc4) 11. Rc1?? { (-2.32 → -13.51) Blunder. Best move was Ne4. } (11. Ne4) 11... Qxc1+ 12. Nd1 Qxb2?? { (-18.94 → 2.86) Blunder. Best move was Nxc2+. } (12... Nxc2+) 13. Nxb2 Nxc2+ 14. Kd1?! { (2.81 → 1.86) Inaccuracy. Best move was Kf1. } (14. Kf1 Nc6 15. Nc4 Bd7 16. Qh5 N2b4 17. a4 a6 18. a5 Nd5 19. h4 Nf6 20. Qh8 O-O-O) 14... Nb4? { (1.86 → 3.49) Mistake. Best move was Nd4. } (14... Nd4 15. Bf3) 15. Kd2? { (3.49 → 1.88) Mistake. Best move was Bh5. } (15. Bh5) 15... Nxa2?! { (1.88 → 2.59) Inaccuracy. Best move was N8c6. } (15... N8c6 16. a3 Nd5 17. Nc4 Bd7 18. Bf3 O-O-O 19. Qh7 Nd4 20. Bxd5 exd5 21. Ne3 Be6 22. Qh4) 16. Qh4? { (2.59 → 1.53) Mistake. Best move was Qg8. } (16. Qg8 Nc6) 16... Bd7 17. Qc4?! { (2.03 → 1.19) Inaccuracy. Best move was Nc4. } (17. Nc4 Nc6 18. Ra1 Nab4 19. Bf3 Be7 20. Qh8+ Bf8 21. Qh5 g6 22. Qh4 Bg7 23. Ra3 Rb8) 17... Bb4+? { (1.19 → 3.90) Mistake. Best move was Nb4. } (17... Nb4 18. Qxc7) 18. Ke3? { (3.90 → 1.25) Mistake. Best move was Kc2. } (18. Kc2 Nc6 19. Qxa2 Nd4+ 20. Kd1 a5 21. Nc4 O-O-O 22. h4 a4 23. Na3 Be7 24. Qb2 Bc6) 18... b5?? { (1.25 → 6.45) Blunder. Best move was Nc3. } (18... Nc3 19. Bf3) 19. Qxa2 Bc6? { (5.86 → 7.86) Mistake. Best move was Nc6. } (19... Nc6 20. d4) 20. Rc1? { (7.86 → 6.39) Mistake. Best move was d4. } (20. d4) 20... Bxg2? { (6.39 → 8.23) Mistake. Best move was Bd5. } (20... Bd5 21. Qa1) 21. Rxc7?! { (8.23 → 7.53) Inaccuracy. Best move was f3. } (21. f3 c6 22. d4 Bh3 23. Nd3 Be7 24. Ne5 Bf5 25. Nxc6 Nxc6 26. Rxc6 a5 27. Bxb5 Kf8) 21... Bd6? { (7.53 → 8.97) Mistake. Best move was Bd5. } (21... Bd5 22. Qa1) 22. Rc8+ Kd7 23. Rc1?? { (8.47 → 4.58) Blunder. Best move was Rg8. } (23. Rg8 Bd5 24. Qa1 Ke7 25. d4 a6 26. Nd3 Nd7 27. Rxa8 Bxa8 28. Qxa6 Bd5 29. Qxb5 Nf6) 23... Bc5+?? { (4.58 → 15.32) Blunder. Best move was Bd5. } (23... Bd5 24. Qa5) 24. d4 Bd6 25. Bxb5+ Nc6 26. Rxc6? { (17.90 → 8.90) Mistake. Best move was f3. } (26. f3) 26... Bxh2? { (8.90 → Mate in 6) Checkmate is now unavoidable. Best move was Bxc6. } (26... Bxc6 27. Qa6 Bxb5 28. Qb7+ Bc7 29. Qxa8 g5 30. Nd3 Bxd3 31. Kxd3 Bd8 32. Qxa7+ Ke8 33. Qc5) 27. Rc4+?! { (Mate in 6 → 13.26) Lost forced checkmate sequence. Best move was Rxe6+. } (27. Rxe6+ Kd8 28. Qa5+ Kc8 29. Re7 a6 30. Bd7+ Kb8 31. Qb6+ Bb7 32. Re8#) 27... Kd6?! { (13.26 → Mate in 2) Checkmate is now unavoidable. Best move was Ke7. } (27... Ke7) 28. Qa6+?! { (Mate in 2 → 13.64) Lost forced checkmate sequence. Best move was Qa3+. } (28. Qa3+ Kd5 29. Bc6#) 28... Kd5?! { (13.64 → Mate in 1) Checkmate is now unavoidable. Best move was Ke7. } (28... Ke7 29. Bc6) 29. Qc6# { White wins by checkmate. } 1-0