lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/iVxyJ0qb"] [Date "2021.03.18"] [Round "-"] [White "ConstantiBulai"] [Black "stefanos12"] [Result "0-1"] [UTCDate "2021.03.18"] [UTCTime "18:05:28"] [WhiteElo "1330"] [BlackElo "1516"] [WhiteRatingDiff "-9"] [BlackRatingDiff "+6"] [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. exd5 Qxd5?! { (0.38 → 1.18) Inaccuracy. Best move was cxd5. } (3... cxd5 4. d4 Nf6 5. Bd3 Bg4 6. c3 Nc6 7. h3 Bxf3 8. Qxf3) 4. Be2?! { (1.18 → 0.68) Inaccuracy. Best move was d4. } (4. d4 Bf5 5. c4 Qa5+ 6. Nc3 Nf6 7. Bd3 e6 8. O-O Bxd3 9. Qxd3 Bd6 10. Re1 O-O) 4... Qd8?! { (0.68 → 1.31) Inaccuracy. Best move was Bf5. } (4... Bf5) 5. Ne5? { (1.31 → -0.05) Mistake. Best move was O-O. } (5. O-O Bf5) 5... Nd7?! { (-0.05 → 0.55) Inaccuracy. Best move was Bf5. } (5... Bf5 6. O-O Nd7 7. Nxd7 Qxd7 8. Na3 e6 9. Nc4 Nf6 10. d4 Rd8 11. c3 Qc7 12. g3) 6. Nc4?! { (0.55 → -0.30) Inaccuracy. Best move was Nf3. } (6. Nf3 e6) 6... b5?! { (-0.30 → 0.46) Inaccuracy. Best move was Nb6. } (6... Nb6) 7. Nca3? { (0.46 → -0.72) Mistake. Best move was Ne3. } (7. Ne3 Bb7) 7... Nc5? { (-0.72 → 1.14) Mistake. Best move was Qc7. } (7... Qc7) 8. Bh5? { (1.14 → -1.18) Mistake. Best move was Bf3. } (8. Bf3 Bb7 9. d4 Ne6 10. c3 Qc7 11. O-O g6 12. Nd2 Nf6 13. Nb3 Bg7 14. Re1 Nd5) 8... Nf6? { (-1.18 → 0.44) Mistake. Best move was e5. } (8... e5) 9. g4?? { (0.44 → -6.47) Blunder. Best move was Bf3. } (9. Bf3 Bb7 10. d4 Ne6 11. c3 Qd7 12. Nc2 g6 13. O-O Bg7 14. Nd2 c5 15. Nb3 cxd4) 9... Nxh5? { (-6.47 → -5.06) Mistake. Best move was g6. } (9... g6 10. d4 Ne6 11. c4 Nxd4 12. Be3 e5 13. Bxd4 exd4 14. Qf3 Be7 15. Nd2 gxh5 16. O-O-O) 10. gxh5 Ne4?? { (-5.12 → -1.70) Blunder. Best move was b4. } (10... b4) 11. d3 Nf6 12. Qf3 Bg4?! { (-2.16 → -1.22) Inaccuracy. Best move was Bd7. } (12... Bd7) 13. Qxc6+ Nd7?? { (-1.82 → 1.24) Blunder. Best move was Bd7. } (13... Bd7 14. Qb7 a6 15. Nd2 Nxh5 16. Ne4 Qc8 17. Qxc8+ Rxc8 18. c3 e6 19. O-O Be7 20. Nc2) 14. Qxb5?! { (1.24 → 0.74) Inaccuracy. Best move was Nxb5. } (14. Nxb5 Rc8 15. Qe4 Nf6 16. Qa4 Bd7 17. N1c3 Nxh5 18. Be3 g6 19. O-O-O Bg7 20. Qxa7 Bxb5) 14... Bf3?! { (0.74 → 1.34) Inaccuracy. Best move was e5. } (14... e5) 15. Rg1 Rb8?! { (0.48 → 1.25) Inaccuracy. Best move was g6. } (15... g6 16. h6 e5 17. Nc4 Rb8 18. Qa4 Rb4 19. Qa6 Nc5 20. Qa5 Qxa5 21. Nxa5 Ne6 22. c3) 16. Qa4?! { (1.25 → 0.47) Inaccuracy. Best move was Qf5. } (16. Qf5 Bc6) 16... e6 17. Bf4?? { (0.96 → -7.64) Blunder. Best move was Qf4. } (17. Qf4) 17... Rb4 18. Qxb4? { (-7.08 → -9.73) Mistake. Best move was Qa6. } (18. Qa6) 18... Bxb4+ 19. c3?! { (-9.27 → -18.18) Inaccuracy. Best move was Bd2. } (19. Bd2 Qb8) 19... Bxa3 20. bxa3 O-O?! { (-14.56 → -9.11) Inaccuracy. Best move was Nc5. } (20... Nc5) 21. Nd2?! { (-9.11 → -9.93) Inaccuracy. Best move was Bh6. } (21. Bh6 Ne5 22. Rxg7+ Kh8 23. Rg3 Rg8 24. d4 Rxg3 25. hxg3 Qd5 26. Nd2 Nd3+ 27. Kf1 Qxh5) 21... Bxh5?! { (-9.93 → -8.97) Inaccuracy. Best move was Nc5. } (21... Nc5 22. Bh6 Nxd3+ 23. Kf1 Nf4 24. Rxg7+ Kh8 25. Bxf4 Qd3+ 26. Kg1 Qxc3 27. Re1 Qxg7+ 28. Bg3) 22. f3? { (-8.97 → -10.33) Mistake. Best move was Rg5. } (22. Rg5 Nf6) 22... e5?! { (-10.33 → -9.50) Inaccuracy. Best move was Qf6. } (22... Qf6 23. Be3) 23. Bg3?! { (-9.50 → -11.90) Inaccuracy. Best move was Bg5. } (23. Bg5 Qa5) 23... Qf6? { (-11.90 → -8.85) Mistake. Best move was Nc5. } (23... Nc5) 24. Ne4? { (-8.85 → -24.75) Mistake. Best move was Bf2. } (24. Bf2 Qa6) 24... Qxf3 25. Rf1?! { (-22.82 → Mate in 1) Checkmate is now unavoidable. Best move was Kd2. } (25. Kd2 Qe2+) 25... Qe2# { Black wins by checkmate. } 0-1