lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/4zHqJhrR"] [Date "2021.02.17"] [Round "-"] [White "AntArRus"] [Black "Paul_123"] [Result "1-0"] [UTCDate "2021.02.17"] [UTCTime "17:07:28"] [WhiteElo "1771"] [BlackElo "1761"] [WhiteRatingDiff "+15"] [BlackRatingDiff "-16"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C42"] [Opening "Petrov's Defense #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 Nf6?! { (0.22 → 0.73) Inaccuracy. Best move was Nc6. } (2... Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5) 3. Nxe5 { C42 Petrov's Defense #2 } Qe7 4. Nf3 Nxe4 5. Be2 Nc6?! { (0.49 → 1.22) Inaccuracy. Best move was d5. } (5... d5 6. O-O Nc6 7. Re1 Be6 8. d3 Nf6 9. d4 O-O-O 10. c3 Qd7 11. Bf4 Ne4 12. Nbd2) 6. d3?! { (1.22 → 0.40) Inaccuracy. Best move was c4. } (6. c4 Nf6 7. d4 d5 8. O-O Be6 9. c5 a6 10. Nc3 Qd7 11. Bd3 Be7 12. h3 O-O) 6... Nf6 7. Bg5? { (0.87 → -0.36) Mistake. Best move was d4. } (7. d4 d5 8. O-O Qd8 9. c4 Be7 10. Nc3 O-O 11. h3 Be6 12. c5 Ne4 13. Bb5 Bf6) 7... d5?! { (-0.36 → 0.49) Inaccuracy. Best move was h6. } (7... h6 8. Bd2 g5 9. O-O Bg7 10. Re1 d5 11. Na3 O-O 12. c3 Re8 13. Bf1 Qd8 14. Rxe8+) 8. Nc3?! { (0.49 → -0.30) Inaccuracy. Best move was O-O. } (8. O-O) 8... d4? { (-0.30 → 0.89) Mistake. Best move was Be6. } (8... Be6 9. d4) 9. Ne4 Bf5?! { (0.45 → 1.01) Inaccuracy. Best move was Qe6. } (9... Qe6) 10. Nxf6+?! { (1.01 → 0.24) Inaccuracy. Best move was O-O. } (10. O-O) 10... gxf6 11. Bd2? { (1.03 → -0.27) Mistake. Best move was Bh4. } (11. Bh4) 11... O-O-O 12. c3? { (0.19 → -2.00) Mistake. Best move was O-O. } (12. O-O) 12... Bg4? { (-2.00 → 0.40) Mistake. Best move was dxc3. } (12... dxc3 13. bxc3 Bxd3 14. Be3 Qe4 15. O-O Rg8 16. g3 Bc5 17. Nd2 Qf5 18. Bxc5 Qxc5 19. Nb3) 13. O-O Rg8?! { (-0.27 → 0.64) Inaccuracy. Best move was h5. } (13... h5) 14. h3?? { (0.64 → -3.19) Blunder. Best move was Re1. } (14. Re1 Qd7 15. Nxd4 Bh3 16. g3 Ne5 17. Bf4 Bc5 18. Bxe5 fxe5 19. Nb3 Bb6 20. Bf3 Qf5) 14... Bh5?? { (-3.19 → 0.53) Blunder. Best move was Bxh3. } (14... Bxh3) 15. Nxd4?! { (0.53 → -0.05) Inaccuracy. Best move was Re1. } (15. Re1) 15... Nxd4? { (-0.05 → 2.78) Mistake. Best move was Bxe2. } (15... Bxe2 16. Nxe2 Rxd3 17. Nf4 Rd8 18. Qc2 Qe5 19. g3 Bc5 20. Kh2 Qg5 21. Bc1 Ne5 22. Qe2) 16. Bxh5 Nf5? { (2.21 → 4.70) Mistake. Best move was Ne6. } (16... Ne6) 17. Bg4 Qe5?! { (4.19 → 5.09) Inaccuracy. Best move was Qd7. } (17... Qd7) 18. Re1 Qd5 19. c4 Qc6?? { (4.75 → 8.65) Blunder. Best move was Qd7. } (19... Qd7 20. Qf3 Rxg4 21. Qxg4 Ng7 22. Bc3 Qxg4 23. hxg4 Rxd3 24. Bxf6 Rd6 25. Be7 Bxe7 26. Rxe7) 20. Bxf5+ Kb8 21. Be4 Qd6 22. Qb3?! { (8.80 → 8.13) Inaccuracy. Best move was Qh5. } (22. Qh5) 22... b6? { (8.13 → 10.85) Mistake. Best move was Qb6. } (22... Qb6 23. Bc3 Qxb3 24. axb3 Bg7 25. Bf5 h5 26. Re7 Bf8 27. Rxf7 Bd6 28. Be4 Rdf8 29. Rh7) 23. a4 f5?! { (9.02 → 10.97) Inaccuracy. Best move was a5. } (23... a5 24. Qb5) 24. Bxf5?! { (10.97 → 9.23) Inaccuracy. Best move was Bf3. } (24. Bf3 Rg6) 24... Qf6 25. Bg4? { (9.21 → 8.00) Mistake. Best move was Be4. } (25. Be4) 25... Bc5 26. Be3 Bd6? { (8.15 → 12.59) Mistake. Best move was h5. } (26... h5 27. Bxh5 Qc6 28. g3 f5 29. Qb5 Qxb5 30. axb5 Bxe3 31. Rxe3 Rd4 32. Re8+ Rxe8 33. Bxe8) 27. a5 Qe5 28. g3 h5 29. Bd1?? { (23.50 → 4.04) Blunder. Best move was axb6. } (29. axb6) 29... Rxg3+ 30. fxg3?? { (4.40 → 1.33) Blunder. Best move was Kf1. } (30. Kf1 Qf5) 30... Qxg3+ 31. Kf1 Qh2?? { (1.56 → 15.76) Blunder. Best move was Qxh3+. } (31... Qxh3+ 32. Ke2) 32. Re2?? { (15.76 → -2.11) Blunder. Best move was Bf3. } (32. Bf3 Qxh3+ 33. Bg2 Qf5+ 34. Kg1 Rg8 35. axb6 c6 36. Rxa7 Rxg2+ 37. Kxg2 Qg4+ 38. Kf1 c5) 32... Qh1+ 33. Bg1 Qxh3+?? { (-2.53 → 11.19) Blunder. Best move was Rg8. } (33... Rg8 34. Rf2 Qxg1+ 35. Ke2 Bc5 36. Kd2 Qxf2+ 37. Kc1 Rg2 38. Kb1 Bd4 39. axb6 cxb6 40. Qb4) 34. Ke1?? { (11.19 → 6.77) Blunder. Best move was Rg2. } (34. Rg2) 34... Bg3+?? { (6.77 → 14.41) Blunder. Best move was Qh1. } (34... Qh1) 35. Kd2 Bf4+ 36. Be3 Bxe3+ 37. Rxe3 Qg2+ 38. Re2 Qg5+ 39. Kc2 Qf4 40. axb6 cxb6?! { (24.79 → Mate in 8) Checkmate is now unavoidable. Best move was axb6. } (40... axb6 41. Qa3) 41. c5?! { (Mate in 8 → 12.04) Lost forced checkmate sequence. Best move was Rxa7. } (41. Rxa7 Qc7 42. Rxc7 Kxc7 43. Qb5 Rd7 44. Re8 f6 45. Bf3 Rd6 46. Qa6 Re6 47. Qc8+ Kd6) 41... h4?! { (12.04 → Mate in 8) Checkmate is now unavoidable. Best move was Qc7. } (41... Qc7 42. Kb1) 42. cxb6?! { (Mate in 8 → 26.08) Lost forced checkmate sequence. Best move was Rxa7. } (42. Rxa7 Qf6 43. Ree7 Qc6 44. Ra8+ Kxa8 45. Bf3 Rd5 46. Bxd5 Kb8 47. Bxc6 b5 48. Qa3 Kc8) 42... axb6?! { (26.08 → Mate in 3) Checkmate is now unavoidable. Best move was a5. } (42... a5 43. Rxa5) 43. Qxb6+ Kc8 44. Ra8+ Kd7 45. Qxd8+?! { (Mate in 1 → Mate in 3) Not the best checkmate sequence. Best move was Rxd8#. } (45. Rxd8#) 45... Kc6 46. Qc8+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Ra6+. } (46. Ra6+ Kb7 47. Qa8+ Kc7 48. Re7#) 46... Kd6 47. Qb8+?! { (Mate in 3 → Mate in 4) Not the best checkmate sequence. Best move was Ra6+. } (47. Ra6+ Kd5 48. Qc6+ Kd4 49. Ra4#) 47... Kd7 48. Qxf4?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qb5+. } (48. Qb5+ Kc7 49. Ra7+ Kd8 50. Qd7#) 48... Kc6 49. Qf5?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Qf6+. } (49. Qf6+ Kb5 50. Re5+ Kb4 51. Qxh4#) 49... Kb7 50. Qf6 h3 51. Re7+ Kxa8 52. Qa6+?! { (Mate in 1 → Mate in 1) Not the best checkmate sequence. Best move was Qh8#. } (52. Qh8#) 52... Kb8 53. Qb7# { White wins by checkmate. } 1-0