lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/lrQM3exs"] [Date "2020.11.01"] [Round "-"] [White "alexandrustratulat"] [Black "Odinokii_Voron"] [Result "0-1"] [UTCDate "2020.11.01"] [UTCTime "17:10:53"] [WhiteElo "1312"] [BlackElo "1916"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B13"] [Opening "Caro-Kann Defense: Exchange Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c6?! { (0.12 → 0.77) Inaccuracy. Best move was e6. } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. d4 d5 3. exd5 { B13 Caro-Kann Defense: Exchange Variation } cxd5 4. b3?! { (0.41 → -0.50) Inaccuracy. Best move was Nf3. } (4. Nf3 Nc6 5. Bd3 Bg4 6. c3 e6 7. h3 Bh5 8. Bf4 Bd6) 4... Nf6?! { (-0.50 → 0.12) Inaccuracy. Best move was Nc6. } (4... Nc6 5. Nf3) 5. c4?! { (0.12 → -0.58) Inaccuracy. Best move was Nf3. } (5. Nf3) 5... dxc4 6. bxc4? { (-0.22 → -1.51) Mistake. Best move was Bxc4. } (6. Bxc4 Bf5) 6... e6? { (-1.51 → -0.08) Mistake. Best move was e5. } (6... e5) 7. a4? { (-0.08 → -2.96) Mistake. Best move was Nf3. } (7. Nf3 e5) 7... Nc6? { (-2.96 → -0.48) Mistake. Best move was Bb4+. } (7... Bb4+ 8. Bd2) 8. f4?? { (-0.48 → -4.21) Blunder. Best move was Nf3. } (8. Nf3 Bb4+) 8... Qxd4? { (-4.21 → -2.45) Mistake. Best move was Bb4+. } (8... Bb4+ 9. Bd2 Qxd4 10. Bxb4 Qxa1 11. Bc3 Qa2 12. Nd2 O-O 13. Ngf3 Rd8 14. Qc1 b6 15. Bxf6) 9. Qc2?? { (-2.45 → -9.33) Blunder. Best move was Qxd4. } (9. Qxd4) 9... Nb4?? { (-9.33 → -5.22) Blunder. Best move was Qxa1. } (9... Qxa1) 10. Qe2?? { (-5.22 → -9.50) Blunder. Best move was Qb2. } (10. Qb2 Qxb2 11. Bxb2 Nc2+ 12. Kd2 Nxa1 13. Bxa1 Bd7 14. Bd3 Bxa4 15. Nf3 Bb4+ 16. Ke3 O-O) 10... Bc5?? { (-9.50 → -5.46) Blunder. Best move was Qxa1. } (10... Qxa1) 11. Be3?? { (-5.46 → -13.51) Blunder. Best move was Ra3. } (11. Ra3 Bd7) 11... Qxe3? { (-13.51 → -8.35) Mistake. Best move was Qxa1. } (11... Qxa1 12. Bxc5) 12. Qxe3 Bxe3 13. Nh3? { (-8.38 → -10.00) Mistake. Best move was Ke2. } (13. Ke2 Bxf4) 13... Nc2+ 14. Ke2 Nxa1?! { (-9.61 → -8.88) Inaccuracy. Best move was e5. } (14... e5 15. Ra2) 15. Kxe3 Nb3?! { (-8.97 → -8.27) Inaccuracy. Best move was Bd7. } (15... Bd7) 16. Bd3?! { (-8.27 → -8.98) Inaccuracy. Best move was Be2. } (16. Be2 Bd7) 16... Nc5 17. Bc2 b6 18. Ng5?! { (-8.44 → -9.04) Inaccuracy. Best move was Nf2. } (18. Nf2 Bb7 19. a5 bxa5 20. Nd2 O-O 21. Rg1 a4 22. g4 Bc6 23. g5 Nfd7 24. Nde4 Nxe4) 18... h6 19. Nf3 Bb7 20. h4? { (-8.39 → -9.39) Mistake. Best move was Nbd2. } (20. Nbd2) 20... Bxf3?! { (-9.39 → -8.85) Inaccuracy. Best move was Be4. } (20... Be4) 21. gxf3 O-O 22. Nc3 Rad8?! { (-9.34 → -8.71) Inaccuracy. Best move was Rac8. } (22... Rac8) 23. Nb5?! { (-8.71 → -9.45) Inaccuracy. Best move was Ne4. } (23. Ne4 Ne8) 23... a6 24. Nc7? { (-9.00 → -13.66) Mistake. Best move was Nc3. } (24. Nc3 Ne8 25. Ne4 Nd6 26. Nxd6 Rxd6 27. a5 bxa5 28. f5 Re8 29. fxe6 Rexe6+ 30. Kf4 Rd4+) 24... Rd7 25. Nxa6 Nxa6 26. f5 Re8 27. Ra1 Nb4 28. Rb1?! { (-18.63 → Mate in 8) Checkmate is now unavoidable. Best move was Bb3. } (28. Bb3 Rd3+) 28... Nxc2+ 29. Ke2 exf5+ 30. Kf2 f4?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Rd2+. } (30... Rd2+ 31. Kf1 Ree2 32. Rc1 Nh5 33. Rxc2 Ng3+ 34. Kg1 Re1#) 31. Rb2 Rd2+ 32. Kg1 Re1# { Black wins by checkmate. } 0-1