lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/4McUrK8b"] [Date "2021.03.01"] [Round "-"] [White "Cezar"] [Black "Matey"] [Result "0-1"] [UTCDate "2021.03.01"] [UTCTime "17:36:01"] [WhiteElo "1467"] [BlackElo "1572"] [WhiteRatingDiff "-8"] [BlackRatingDiff "+44"] [Variant "Standard"] [TimeControl "420+2"] [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 → 1.42) Mistake. Best move was d5. } (2... d5 3. exd5 exd5 4. d4 Nf6 5. Bb5+ c6 6. Bd3 Qe7+ 7. Be2) 3. Ng5?? { (1.42 → -1.68) Blunder. Best move was e5. } (3. e5 Nd5) 3... Ng4?? { (-1.68 → 4.92) Blunder. Best move was h6. } (3... h6) 4. Qxg4 f5? { (4.28 → 6.48) Mistake. Best move was c5. } (4... c5) 5. exf5 exf5 6. Qxf5 Qf6?! { (6.32 → 6.82) Inaccuracy. Best move was Qe7+. } (6... Qe7+ 7. Kd1 Qf6 8. Qxf6 gxf6 9. Ne4 c6 10. Nxf6+ Kf7 11. Nh5 d5 12. Be2 Rg8 13. g3) 7. Qe4+?! { (6.82 → 5.87) Inaccuracy. Best move was Qxf6. } (7. Qxf6) 7... Be7? { (5.87 → 6.90) Mistake. Best move was Qe7. } (7... Qe7 8. Bd3) 8. d4 Rf8?! { (6.33 → 7.19) Inaccuracy. Best move was h6. } (8... h6 9. Nf3) 9. Nxh7? { (7.19 → 5.92) Mistake. Best move was Be3. } (9. Be3) 9... Qxf2+ 10. Kd1 Rf4?? { (5.65 → 12.55) Blunder. Best move was d5. } (10... d5 11. Qg6+ Rf7 12. Bd3 Bf5 13. Nf6+ Kd8 14. Qxf5 Qxf5 15. Bxf5 Rxf6 16. Rf1 c6 17. Bg5) 11. Nf6+?? { (12.55 → 1.10) Blunder. Best move was Qxf4. } (11. Qxf4 Qxf4 12. Bxf4 d6 13. Nc3 Be6 14. Ng5 Bg8 15. Bb5+ Kd8 16. Nce4 Nd7 17. Re1 a6) 11... Rxf6 12. Bg5?? { (1.53 → -4.01) Blunder. Best move was d5. } (12. d5 Qf5 13. Nc3 d6 14. Be3 Qxe4 15. Nxe4 Rg6 16. Kd2 Nd7 17. g3 Ne5 18. b3 a6) 12... Re6 13. Qe2?? { (-3.58 → -14.22) Blunder. Best move was Be3. } (13. Be3 Qxe3) 13... Rxe2 14. Bxe2 Bxg5 15. Rf1 Qxg2 16. Nc3 Bh6 17. Bh5+ g6 18. Re1+ Kf7 19. Be2 Qg5 20. Ne4 Qf4?? { (-14.46 → -5.84) Blunder. Best move was Qh4. } (20... Qh4) 21. Bc4+?? { (-5.84 → -20.49) Blunder. Best move was Rf1. } (21. Rf1 d5) 21... Ke7 22. Ng3+ Kf6?? { (-20.33 → -5.61) Blunder. Best move was Kd8. } (22... Kd8) 23. Ne4+?? { (-5.61 → -19.82) Blunder. Best move was Rf1. } (23. Rf1) 23... Kg7 24. Rf1 Qxe4 25. Rg1?! { (-20.28 → Mate in 7) Checkmate is now unavoidable. Best move was Rf7+. } (25. Rf7+) 25... Qf3+ 26. Ke1 Qe3+ 27. Kf1 b5?! { (Mate in 8 → -18.86) Lost forced checkmate sequence. Best move was d5. } (27... d5 28. Rg3 Bh3+ 29. Rxh3 Qxh3+ 30. Ke2 Qg2+ 31. Ke1 Be3 32. Be2 Qf2+ 33. Kd1 Qg1+ 34. Bf1) 28. Bxb5?! { (-18.86 → Mate in 8) Checkmate is now unavoidable. Best move was Bd3. } (28. Bd3 Qf3+) 28... Ba6 29. Bxa6 Nxa6?! { (Mate in 4 → Mate in 7) Not the best checkmate sequence. Best move was Qf3+. } (29... Qf3+ 30. Ke1 Nxa6 31. Rg5 Bxg5 32. a3 Re8#) 30. Re1 Rf8+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qf3#. } (30... Qf3#) 31. Kg2 Qf2+?! { (Mate in 1 → Mate in 7) Not the best checkmate sequence. Best move was Qf3#. } (31... Qf3#) 32. Kh1 Bd2?! { (Mate in 7 → -23.01) Lost forced checkmate sequence. Best move was Bf4. } (32... Bf4 33. Re7+ Rf7 34. Rxf7+ Kxf7 35. Rg2 Qf3 36. d5 Be3 37. d6 Qd1+ 38. Rg1 Qxg1#) 33. Re7+?! { (-23.01 → Mate in 7) Checkmate is now unavoidable. Best move was Ref1. } (33. Ref1 Qxd4 34. Rxg6+ Kxg6 35. Rxf8 Qd5+ 36. Kg1 Qc5+ 37. Rf2 Be3 38. Kf1 Bxf2 39. c4 Bg1) 33... Rf7 34. Rxf7+ Kxf7 35. h4 Qf3+?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Bf4. } (35... Bf4 36. Rg2 Qf1+ 37. Rg1 Qh3#) 36. Rg2 Nb4?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qf1+. } (36... Qf1+ 37. Kh2 Bf4+ 38. Rg3 Qf2+ 39. Kh1 Qxg3 40. h5 Qh2#) 37. c3 Nc2?! { (Mate in 3 → Mate in 5) Not the best checkmate sequence. Best move was Bf4. } (37... Bf4 38. cxb4 Qf1+ 39. Rg1 Qh3#) 38. h5 Ne1 39. c4 Qxg2# { Black wins by checkmate. } 0-1