lichess dev

[Event "Sofia Arena"] [Site "http://chess-academy.net/0w5Cnahl"] [Date "2020.02.24"] [Round "-"] [White "CovganetIlinca_13883"] [Black "CostelStina"] [Result "0-1"] [UTCDate "2020.02.24"] [UTCTime "17:26:34"] [WhiteElo "1722"] [BlackElo "1542"] [WhiteRatingDiff "-23"] [BlackRatingDiff "+31"] [Variant "Standard"] [TimeControl "120+0"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. Nc3?! { (0.34 → -0.24) Inaccuracy. Best move was d4. } (2. d4 d5 3. c4 Nf6 4. Nf3 c5 5. Nc3 Nc6 6. Be2 cxd4) 2... Nf6 3. Nf3 Nc6?! { (-0.53 → 0.25) Inaccuracy. Best move was d5. } (3... d5 4. d4 c5 5. Be2 Nbd7 6. O-O a6 7. b3 b5 8. a4) 4. d3?! { (0.25 → -0.66) Inaccuracy. Best move was d4. } (4. d4 d5 5. Bd3 Nb4 6. O-O Nxd3 7. Qxd3 Be7 8. e4 dxe4) 4... b6?! { (-0.66 → 0.22) Inaccuracy. Best move was e5. } (4... e5) 5. b3?! { (0.22 → -0.29) Inaccuracy. Best move was a3. } (5. a3 d5) 5... Bb7 6. g3?! { (0.17 → -0.69) Inaccuracy. Best move was Bb2. } (6. Bb2 d5 7. Be2 d4 8. exd4 Nxd4 9. O-O Bc5 10. Na4 Nxe2+ 11. Qxe2 Bd6 12. c4 O-O) 6... g6?! { (-0.69 → 0.21) Inaccuracy. Best move was Bb4. } (6... Bb4) 7. Bg2 Bg7 8. Bb2 O-O?! { (-0.36 → 0.40) Inaccuracy. Best move was Ne5. } (8... Ne5 9. e4) 9. O-O b5? { (-0.25 → 1.89) Mistake. Best move was Ne7. } (9... Ne7) 10. a4? { (1.89 → -0.61) Mistake. Best move was Nxb5. } (10. Nxb5 a6) 10... b4 11. Nb5?! { (0.09 → -0.83) Inaccuracy. Best move was Ne2. } (11. Ne2) 11... Ba6? { (-0.83 → 0.41) Mistake. Best move was Ne7. } (11... Ne7 12. c4 d6 13. Nbd4 c5 14. Nc2 a5 15. Nd2 Bxg2 16. Kxg2 d5 17. Be5 Nc6 18. f4) 12. Nfd4 Nxd4?! { (0.25 → 1.17) Inaccuracy. Best move was Bb7. } (12... Bb7 13. Nxc6 Bxc6 14. Bxc6 dxc6 15. Nd4 Qd6 16. Nf3 Nd7 17. Bxg7 Kxg7 18. Nd2 e5 19. e4) 13. Bxa8 Bxb5?! { (1.02 → 1.57) Inaccuracy. Best move was Qxa8. } (13... Qxa8 14. Bxd4 Bb7 15. Bc5 d6 16. Bxb4 Bg2 17. Nxc7 Qb7 18. Bxd6 Bxf1 19. Qxf1 Rd8 20. Be5) 14. axb5 Nxb5 15. Bg2 Ne8?! { (1.20 → 2.02) Inaccuracy. Best move was Qe7. } (15... Qe7) 16. Bxg7 Nxg7 17. c4? { (1.95 → -0.60) Mistake. Best move was Qd2. } (17. Qd2 Na3) 17... Nc3?? { (-0.60 → 2.55) Blunder. Best move was bxc3. } (17... bxc3 18. Qf3) 18. Qc1?? { (2.55 → -8.14) Blunder. Best move was Qc2. } (18. Qc2 Qb8) 18... Ne2+ 19. Kh1 Nxc1 20. Rfxc1 Nf5?! { (-8.13 → -7.43) Inaccuracy. Best move was Qf6. } (20... Qf6 21. Ra2 e5 22. Kg1 Qd6 23. Rd1 Ne6 24. Bd5 Nc5 25. Rxa7 c6 26. Bf3 Nxb3 27. Kg2) 21. Rxa7 Qg5?! { (-7.60 → -6.81) Inaccuracy. Best move was d6. } (21... d6) 22. Rca1? { (-6.81 → -8.21) Mistake. Best move was Rd1. } (22. Rd1 Rc8 23. h3 h5 24. Ra2 c5 25. Kg1 Qf6 26. d4 cxd4 27. g4 Nh4 28. Rxd4 Nf3+) 22... Rc8? { (-8.21 → -7.03) Mistake. Best move was Qf6. } (22... Qf6) 23. Ra8? { (-7.03 → -9.61) Mistake. Best move was Rd1. } (23. Rd1 Qf6) 23... Rxa8 24. Rxa8+ Kg7 25. f4? { (-8.57 → -13.01) Mistake. Best move was c5. } (25. c5) 25... Qg4 26. h3 Qd1+ 27. Kh2 Nxe3 28. g4?! { (-15.85 → Mate in 5) Checkmate is now unavoidable. Best move was Ra2. } (28. Ra2 Qxb3) 28... Qe2 29. h4 Qxg2# { Black wins by checkmate. } 0-1