lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/B27Fhuso"] [Date "2021.03.09"] [Round "-"] [White "Marius"] [Black "springexxx"] [Result "0-1"] [UTCDate "2021.03.09"] [UTCTime "17:42:02"] [WhiteElo "1588"] [BlackElo "1793"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+20"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A00"] [Opening "Van't Kruijs Opening"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e3 { A00 Van't Kruijs Opening } e6 2. g3 d5 3. h4? { (0.36 → -0.85) Mistake. Best move was d4. } (3. d4 Nf6 4. Bg2 Nbd7 5. Nf3 b5 6. O-O Be7 7. b3 O-O 8. Nbd2 Bb7 9. Bb2 c5) 3... c5?! { (-0.85 → -0.11) Inaccuracy. Best move was Nf6. } (3... Nf6) 4. Nh3?! { (-0.11 → -0.95) Inaccuracy. Best move was d4. } (4. d4 Bd6) 4... Nf6 5. b3? { (-0.54 → -1.57) Mistake. Best move was Bg2. } (5. Bg2 e5) 5... Bd6?! { (-1.57 → -0.70) Inaccuracy. Best move was e5. } (5... e5 6. Bg2 Nc6 7. Bb2 Bf5 8. f3 Be7 9. Nf2 Be6 10. f4 exf4 11. exf4 O-O 12. O-O) 6. Bb2?! { (-0.70 → -1.53) Inaccuracy. Best move was Bg2. } (6. Bg2) 6... Qc7? { (-1.53 → 0.20) Mistake. Best move was e5. } (6... e5 7. Bg2) 7. Bxf6?! { (0.20 → -0.30) Inaccuracy. Best move was Bg2. } (7. Bg2 Bd7 8. Bxf6 gxf6 9. O-O Nc6 10. Nc3 a6 11. Qh5 O-O-O 12. Qxf7 f5 13. Qh5 d4) 7... gxf6 8. Qe2?! { (0.02 → -0.94) Inaccuracy. Best move was Bg2. } (8. Bg2 Bd7 9. Nc3 d4 10. Ne4 Bc6 11. O-O Nd7 12. exd4 cxd4 13. c3 d3 14. Qf3 Be7) 8... e5? { (-0.94 → 1.32) Mistake. Best move was Bd7. } (8... Bd7 9. Bg2) 9. Qf3? { (1.32 → -0.08) Mistake. Best move was Nc3. } (9. Nc3) 9... Bxh3? { (-0.08 → 2.77) Mistake. Best move was e4. } (9... e4 10. Qh5) 10. Bxh3? { (2.77 → 1.64) Mistake. Best move was Qxf6. } (10. Qxf6 Rf8 11. Bxh3 Nd7 12. Qf5 O-O-O 13. Nc3 d4 14. Ne4 Kb8 15. Qxh7 Nb6 16. O-O Nd5) 10... e4 11. Qxf6?? { (2.66 → -1.40) Blunder. Best move was Qf5. } (11. Qf5) 11... Be5 12. Qf5 Bxa1 13. Qc8+? { (-1.65 → -3.43) Mistake. Best move was c3. } (13. c3 Nc6 14. Qxd5 Qe7 15. Bg2 Bb2 16. Bxe4 a5 17. Bg2 O-O 18. Qf5 a4 19. Qc2 a3) 13... Qxc8 14. Bxc8 Nc6 15. Bxb7 O-O?? { (-3.34 → 0.87) Blunder. Best move was Kd7. } (15... Kd7 16. Bxa8 Rxa8 17. Ke2 Bb2 18. d3 exd3+ 19. cxd3 a5 20. a4 Rb8 21. Nd2 Kd6 22. Rb1) 16. Bxa8?? { (0.87 → -2.88) Blunder. Best move was Bxc6. } (16. Bxc6 Rad8 17. c4 dxc4 18. Bxe4 cxb3 19. axb3 Bb2 20. Ke2 Kg7 21. Bd3 a5 22. Bc4 Ra8) 16... Rxa8 17. O-O?! { (-2.42 → -3.18) Inaccuracy. Best move was Ke2. } (17. Ke2 a5) 17... Nb4 18. c3? { (-2.72 → -4.14) Mistake. Best move was f3. } (18. f3 exf3) 18... Nd3? { (-4.14 → -2.90) Mistake. Best move was Nxa2. } (18... Nxa2 19. c4 d4 20. Na3 Bb2 21. Nb5 dxe3 22. dxe3 Nc3 23. Nxc3 Bxc3 24. Rc1 Bb4 25. Kg2) 19. Na3?! { (-2.90 → -3.44) Inaccuracy. Best move was c4. } (19. c4) 19... Bb2 20. Nb5 a6? { (-3.35 → -1.53) Mistake. Best move was Kf8. } (20... Kf8 21. f3 Rd8 22. fxe4 dxe4 23. Nc7 Ke7 24. Rf5 Bc1 25. c4 Nb4 26. a3 Bxa3 27. Rxc5) 21. Nd6? { (-1.53 → -3.52) Mistake. Best move was Nc7. } (21. Nc7 Rd8 22. Nxa6 Ba3 23. Nc7 Kg7 24. Kg2 h5 25. Nb5 Bc1 26. Rd1 Kf6 27. a4 Ke7) 21... Rd8 22. Nb7?! { (-3.29 → -4.02) Inaccuracy. Best move was Nf5. } (22. Nf5) 22... Rd7 23. Na5 d4? { (-3.83 → -2.66) Mistake. Best move was Ne5. } (23... Ne5) 24. exd4? { (-2.66 → -3.85) Mistake. Best move was cxd4. } (24. cxd4 cxd4) 24... cxd4 25. cxd4 Bxd4 26. Nc4 Nxf2? { (-3.51 → -2.34) Mistake. Best move was f5. } (26... f5 27. Ne3 Bc5 28. a3 f4 29. gxf4 Nxf4 30. b4 Ba7 31. Re1 Rxd2 32. Ng4 Ne2+ 33. Kf1) 27. Kg2? { (-2.34 → -3.87) Mistake. Best move was Rxf2. } (27. Rxf2 Bxf2+ 28. Kxf2 Rd3 29. g4 h5 30. gxh5 f5 31. Ke2 f4 32. Ne5 Rg3 33. Nc4 Kg7) 27... Ba7? { (-3.87 → -2.44) Mistake. Best move was Nd3. } (27... Nd3) 28. Ne5?? { (-2.44 → -9.94) Blunder. Best move was Rxf2. } (28. Rxf2 Bxf2) 28... Rxd2 29. Kg1? { (-9.49 → Mate in 7) Checkmate is now unavoidable. Best move was Nc4. } (29. Nc4 Rxa2 30. h5 Nd3+ 31. Kh3 e3 32. Nxe3 Bxe3 33. Kg4 Rb2 34. Ra1 Nc5 35. Ra3 Rxb3) 29... Ng4+ 30. Kh1 Rh2# { Black wins by checkmate. } 0-1