lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/4NQ6GoC4"] [Date "2021.02.27"] [Round "-"] [White "GrigoreG"] [Black "Nigeria_TOP"] [Result "0-1"] [UTCDate "2021.02.27"] [UTCTime "17:34:23"] [WhiteElo "1417"] [BlackElo "1796"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+20"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B10"] [Opening "Caro-Kann Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c6?! { (0.12 → 0.77) Inaccuracy. Best move was e6. } { B10 Caro-Kann Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Nf3 d5 3. d4? { (0.87 → -1.18) Mistake. Best move was e5. } (3. e5 Bf5 4. Be2 e6 5. d4 Ne7 6. O-O Nd7 7. Nbd2 Ng6 8. Nb3 Be7 9. Ne1 c5) 3... dxe4 4. Ne5 Nf6? { (-1.22 → -0.21) Mistake. Best move was Nd7. } (4... Nd7) 5. Nxc6?? { (-0.21 → -5.59) Blunder. Best move was Bc4. } (5. Bc4 e6 6. O-O Qc7 7. Re1 Nbd7 8. Nxd7 Bxd7 9. Nd2 Bd6 10. g3 c5 11. Nxe4 Nxe4) 5... Nxc6 6. Nc3?! { (-5.16 → -5.86) Inaccuracy. Best move was Be3. } (6. Be3 e5) 6... Qxd4 7. Be3 Qxd1+?! { (-5.96 → -5.37) Inaccuracy. Best move was Qb4. } (7... Qb4 8. Qc1) 8. Kxd1? { (-5.37 → -6.46) Mistake. Best move was Rxd1. } (8. Rxd1 Be6 9. Bb5 g6 10. O-O Bg7 11. Bxc6+ bxc6 12. b3 O-O 13. h3 h5 14. Ne2 Nd5) 8... Bd7?! { (-6.46 → -5.84) Inaccuracy. Best move was Ng4. } (8... Ng4) 9. Bb5?! { (-5.84 → -6.42) Inaccuracy. Best move was h3. } (9. h3 e6 10. g4 Bb4 11. Bg2 Bxc3 12. bxc3 Nd5 13. Bd2 f5 14. Rb1 O-O-O 15. c4 Nb6) 9... O-O-O?! { (-6.42 → -5.76) Inaccuracy. Best move was a6. } (9... a6 10. Ba4) 10. Bxc6?! { (-5.76 → -6.72) Inaccuracy. Best move was Kc1. } (10. Kc1 a6) 10... Bxc6+ 11. Bd2?! { (-6.33 → -7.20) Inaccuracy. Best move was Ke2. } (11. Ke2 a6) 11... a6?! { (-7.20 → -6.47) Inaccuracy. Best move was e3. } (11... e3 12. fxe3 Rd7 13. Ke2 e6 14. Rhd1 Bxg2 15. Be1 Bh3 16. Rxd7 Bg4+ 17. Kf1 Kxd7 18. e4) 12. Nxe4?? { (-6.47 → -16.26) Blunder. Best move was Ke2. } (12. Ke2) 12... Nxe4 13. f3 Nxd2 14. Rb1 Nc4+ 15. Ke2 Nb6 16. Rhd1 Bb5+ 17. Kf2 Rxd1 18. Kg3 e6 19. Kg4 Rxb1 20. Kf4?! { (-29.87 → Mate in 7) Checkmate is now unavoidable. Best move was b3. } (20. b3 Bc6) 20... Rxb2 21. Kg5 Rxc2 22. Kf4 Rxa2?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Bd6+. } (22... Bd6+ 23. Kg4 h5+ 24. Kh3 g5 25. f4 Rc3+ 26. g3 Bf1#) 23. Kg5 Rc2?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Nd5. } (23... Nd5 24. Kh4 Rxg2 25. Kh5 Nf4+ 26. Kh4 Be7#) 24. Kf4 a5?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Bd6+. } (24... Bd6+ 25. Kg5 Rxg2+ 26. Kh5 Nd5 27. f4 Nxf4+ 28. Kh4 g5#) 25. Kg5 a4?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Nd5. } (25... Nd5 26. Kh5 Rxg2 27. h3 Nf4+ 28. Kh4 g5#) 26. Kf4 a3?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Bd6+. } (26... Bd6+ 27. Kg4 h5+ 28. Kh3 g5 29. f4 Bxf4 30. g3 Bf1#) 27. Kg5 a2?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Nd5. } (27... Nd5 28. g3 Be7+ 29. Kh5 Rxh2+ 30. Kg4 f5#) 28. Kf4 a1=Q?! { (Mate in 4 → Mate in 4) Not the best checkmate sequence. Best move was Rxg2. } (28... Rxg2 29. Ke4 f5+ 30. Kf4 a1=B 31. h3 Nd5#) 29. Kg4 Qf6 30. Kh5 Qf5+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qh6+. } (30... Qh6+ 31. Kg4 Rxg2#) 31. Kh4 Be7+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Rxg2. } (31... Rxg2 32. f4 Be7#) 32. Kg3 g5?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qg5+. } (32... Qg5+ 33. Kh3 Qxg2#) 33. h4 Qf4+ 34. Kh3 Qxh4# { Black wins by checkmate. } 0-1