lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/5Hro6yQ9"] [Date "2021.03.01"] [Round "-"] [White "OlaruSofi"] [Black "EvtodiencoBogdan"] [Result "1-0"] [UTCDate "2021.03.01"] [UTCTime "17:48:45"] [WhiteElo "1429"] [BlackElo "1195"] [WhiteRatingDiff "+5"] [BlackRatingDiff "-8"] [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 } e5 2. Qf3? { (0.41 → -0.83) Mistake. Best move was d4. } (2. d4 exd4 3. exd4 d5 4. Nf3 Nf6 5. Bd3 Bd6 6. Qe2+ Be6) 2... Qh4? { (-0.83 → 0.61) Mistake. Best move was d5. } (2... d5 3. d4 Nc6 4. Qd1 Bd6 5. Bb5 exd4 6. exd4 Ne7 7. Nc3) 3. Bc4?? { (0.61 → -4.99) Blunder. Best move was Nc3. } (3. Nc3) 3... Qxc4 4. d3? { (-4.48 → -7.13) Mistake. Best move was Nc3. } (4. Nc3) 4... Qb5?? { (-7.13 → -4.09) Blunder. Best move was Qxc2. } (4... Qxc2 5. Qd1 Bb4+ 6. Bd2 Qxb2 7. Bxb4 Qxb4+ 8. Nd2 d6 9. Ne2 Nc6 10. O-O Qg4 11. Ng3) 5. c4?! { (-4.09 → -4.82) Inaccuracy. Best move was Nc3. } (5. Nc3 Qb6 6. Nge2 Nf6 7. O-O d6 8. e4 Nc6 9. h3 Be7 10. a3 O-O 11. Rb1 Be6) 5... Qc5? { (-4.82 → -3.77) Mistake. Best move was Qc6. } (5... Qc6) 6. Qe4? { (-3.77 → -6.34) Mistake. Best move was Nc3. } (6. Nc3 Nf6) 6... Qb4+? { (-6.34 → -4.47) Mistake. Best move was Nc6. } (6... Nc6 7. a3 Nf6 8. Qh4 d5 9. Ne2 dxc4 10. d4 exd4 11. exd4 Qb6 12. Nbc3 Bg4 13. O-O) 7. Nd2? { (-4.47 → -5.51) Mistake. Best move was Nc3. } (7. Nc3) 7... c6? { (-5.51 → -2.93) Mistake. Best move was Nc6. } (7... Nc6) 8. Qxe5+ Be7? { (-3.33 → -1.96) Mistake. Best move was Qe7. } (8... Qe7 9. Qc3) 9. Qxg7 Bf6 10. Qg4 Na6 11. Qe4+?! { (-2.03 → -2.63) Inaccuracy. Best move was a3. } (11. a3 Qe7 12. Qe2 d5 13. Ngf3 Nc5 14. d4 Ne4 15. O-O Nh6 16. cxd5 cxd5 17. Qb5+ Qd7) 11... Kd8? { (-2.63 → -1.39) Mistake. Best move was Qe7. } (11... Qe7) 12. Nf3? { (-1.39 → -4.09) Mistake. Best move was d4. } (12. d4 Qe7) 12... d5? { (-4.09 → -1.90) Mistake. Best move was Nc5. } (12... Nc5 13. Qf5 d5 14. Qh5 Nxd3+ 15. Ke2 dxc4 16. Qxf7 Bf5 17. Qxc4 Kc7 18. Qxb4 Nxb4 19. e4) 13. Qf4? { (-1.90 → -3.08) Mistake. Best move was cxd5. } (13. cxd5 Nc5) 13... dxc4? { (-3.08 → -0.90) Mistake. Best move was Nc5. } (13... Nc5 14. Ke2 Ne6 15. Qg3 Nh6 16. h3 Nf5 17. Qh2 h5 18. Rd1 Rg8 19. d4 Ke8 20. Kf1) 14. dxc4?! { (-0.90 → -1.68) Inaccuracy. Best move was a3. } (14. a3 Qa5) 14... Be6? { (-1.68 → 0.28) Mistake. Best move was Nc5. } (14... Nc5 15. O-O Nd3 16. Qe4 Qd6 17. Rd1 Nh6 18. c5 Qd5 19. Qxd5+ cxd5 20. Nb3 Nxc1 21. Raxc1) 15. Ne5?? { (0.28 → -2.74) Blunder. Best move was O-O. } (15. O-O Nc5 16. Nd4 Ke8 17. a3 Qb6 18. b4 Nd3 19. Qe4 c5 20. Qxd3 cxd4 21. Ne4 Rd8) 15... Bxe5?? { (-2.74 → 3.74) Blunder. Best move was Qa5. } (15... Qa5 16. Nf3 Nc5 17. O-O Qc7 18. Ng5 Qxf4 19. exf4 Kc7 20. Nxe6+ fxe6 21. Rb1 a5 22. Nf3) 16. Qxe5 h5? { (3.38 → 6.25) Mistake. Best move was Nf6. } (16... Nf6 17. Qxf6+) 17. Qxh8 Kd7?! { (5.43 → 6.15) Inaccuracy. Best move was Ke7. } (17... Ke7 18. O-O) 18. Qxh5?! { (6.15 → 5.21) Inaccuracy. Best move was O-O. } (18. O-O Rd8) 18... Bxc4 19. Qf5+? { (5.59 → 4.51) Mistake. Best move was b3. } (19. b3 Qb5) 19... Kd6?? { (4.51 → 9.93) Blunder. Best move was Be6. } (19... Be6 20. Qe5 Rd8 21. O-O f6 22. Qe4 f5 23. Qe5 Qc5 24. Qxc5 Nxc5 25. b3 Kc8 26. f3) 20. Qf4+? { (9.93 → 8.91) Mistake. Best move was a3. } (20. a3) 20... Kd5? { (8.91 → 14.19) Mistake. Best move was Ke7. } (20... Ke7 21. a3) 21. e4+?? { (14.19 → 6.91) Blunder. Best move was a3. } (21. a3) 21... Kd4?? { (6.91 → 24.70) Blunder. Best move was Ke6. } (21... Ke6) 22. e5+ Kd5 23. Qe4+? { (14.51 → 8.76) Mistake. Best move was a3. } (23. a3) 23... Kc5? { (8.76 → 22.40) Mistake. Best move was Ke6. } (23... Ke6 24. Qg4+ f5 25. Qxc4+ Qxc4 26. Nxc4 Ne7 27. f4 Nc5 28. O-O Ne4 29. Rd1 Nd5 30. Na5) 24. Qe3+ Kb5 25. a3 Qa4 26. b3 Bxb3 27. Nxb3 Nc5?! { (14.97 → Mate in 12) Checkmate is now unavoidable. Best move was c5. } (27... c5 28. Qd3+) 28. Qxc5+?! { (Mate in 12 → 20.57) Lost forced checkmate sequence. Best move was Nxc5. } (28. Nxc5 Qc2 29. Qd4 Qxc5 30. Rb1+ Ka6 31. Qxc5 Rb8 32. Qc4+ b5 33. Qxc6+ Rb6 34. Qc8+ Rb7) 28... Ka6 29. Rb1 b6 30. Qd6? { (21.18 → 8.81) Mistake. Best move was Qc2. } (30. Qc2) 30... Qxa3? { (8.81 → Mate in 6) Checkmate is now unavoidable. Best move was Qe4+. } (30... Qe4+ 31. Kd2 Qxb1 32. Nc5+ bxc5 33. Qxc6+ Qb6 34. Qxa8 Ne7 35. Qe4 Qb5 36. Kc3 Nc6 37. Be3) 31. Bxa3 Re8 32. O-O?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Nc5+. } (32. Nc5+ bxc5 33. Qxc6+ Ka5 34. Qb5#) 32... Rc8 33. Qd3+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Nc5+. } (33. Nc5+ bxc5 34. Bxc5 Ka5 35. Qd3 Rc7 36. Qa3#) 33... Kb7 34. Qd7+ Kb8 35. Qxf7?! { (Mate in 3 → Mate in 6) Not the best checkmate sequence. Best move was Bd6+. } (35. Bd6+ Rc7 36. Qxc7+ Ka8 37. Qxc6#) 35... c5 36. Rfd1 c4 37. Nd4?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Bd6+. } (37. Bd6+ Ka8 38. Qf3+ Rc6 39. Qxc6#) 37... c3 38. Bd6+ Ka8 39. Qd5+ Rc6 40. Qxc6# { White wins by checkmate. } 1-0