[Event "Igor171 Arena"] [Site "https://lichess.org/39lOZpzl"] [Date "2020.04.07"] [White "OlCh20102010"] [Black "Iana_grinfeld"] [Result "0-1"] [UTCDate "2020.04.07"] [UTCTime "16:39:22"] [WhiteElo "1738"] [BlackElo "1594"] [WhiteRatingDiff "-30"] [BlackRatingDiff "+46"] [Variant "Standard"] [TimeControl "600+10"] [ECO "C49"] [Opening "Four Knights Game: Spanish Variation, Symmetrical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O d6?! { (0.31 → 0.87) Inaccuracy. O-O was best. } (5... O-O 6. Bxc6 dxc6 7. d3 Bd6 8. Re1 a5 9. a4 Re8 10. h3) 6. d3?! { (0.87 → 0.16) Inaccuracy. Nd5 was best. } (6. Nd5 Ba5 7. d4 a6 8. Nxf6+ gxf6 9. Bxc6+ bxc6 10. c3 Rg8) 6... O-O { C49 Four Knights Game: Spanish Variation, Symmetrical Variation } 7. Bg5 h6? { (0.22 → 1.58) Mistake. Bxc3 was best. } (7... Bxc3 8. bxc3 Bd7 9. Re1 h6 10. Bh4 Ne7 11. Rb1 c6 12. Ba4) 8. Bh4?? { (1.58 → -0.20) Blunder. Bxf6 was best. } (8. Bxf6 gxf6 9. Nd5 Bc5 10. c3 Kg7 11. Bxc6 bxc6 12. Ne3 Bxe3) 8... Bg4? { (-0.20 → 0.97) Mistake. Bxc3 was best. } (8... Bxc3) 9. Nd5 g5 10. Bg3?? { (1.00 → -1.61) Blunder. Bxc6 was best. } (10. Bxc6 Nxd5 11. Bxb7 Nf4 12. Bg3 Rb8 13. Bxf4 Rxb7 14. Bc1 c5 15. h3 Be6 16. a3 Ba5) 10... Nxd5 11. exd5?! { (-1.35 → -2.22) Inaccuracy. Bxc6 was best. } (11. Bxc6 bxc6 12. exd5 cxd5 13. c3 Bc5 14. h3 Bh5 15. d4 exd4 16. cxd4 Bb6 17. Qb3 Qf6) 11... Nd4 12. c3 Nxf3+?? { (-2.11 → 1.49) Blunder. Bxf3 was best. } (12... Bxf3 13. gxf3) 13. gxf3 Bh3 14. Re1?? { (1.00 → -1.50) Blunder. cxb4 was best. } (14. cxb4 f5 15. Re1 f4 16. d4 Qf6 17. dxe5 dxe5 18. Rc1 Rf7 19. d6 cxd6 20. Bc4 Be6) 14... Bc5 15. b4 Bb6 16. a4?! { (-2.12 → -3.02) Inaccuracy. d4 was best. } (16. d4 exd4 17. c4 a5 18. c5 dxc5 19. bxc5 Bxc5 20. Rc1 Bb4 21. Re5 Ba3 22. Rb1 Qf6) 16... a5 17. bxa5 Bxa5 18. Qc2?! { (-3.31 → -4.42) Inaccuracy. Rc1 was best. } (18. Rc1 f5) 18... Qf6 19. Re3 Bb6?! { (-4.91 → -3.88) Inaccuracy. h5 was best. } (19... h5 20. d4 exd4 21. cxd4 h4 22. f4 gxf4 23. Bxf4 Qg7+ 24. Bg3 f5 25. Bd7 Kh8 26. Be6) 20. d4?! { (-3.88 → -5.46) Inaccuracy. Qe2 was best. } (20. Qe2 h5) 20... exd4 21. Rd3 dxc3 22. Qxc3 Qxc3 23. Rxc3 Bd4 24. Rac1 Bxc3 25. Rxc3 Rfc8 26. f4 Ra7? { (-4.91 → -2.63) Mistake. c6 was best. } (26... c6 27. dxc6 bxc6 28. Bf1 g4 29. Ra3 c5 30. f5 c4 31. Bf4 c3 32. Bxh6 Bxf1 33. Kxf1) 27. fxg5 hxg5 28. Bxd6 b6?? { (-3.11 → -0.10) Blunder. cxd6 was best. } (28... cxd6 29. Rxh3 Kg7 30. Rg3 Kf6 31. Rf3+ Kg6 32. Rg3 Rc5 33. h4 Rxd5 34. f4 Rd4 35. Rxg5+) 29. Be7 g4 30. Bd7 Rca8 31. Bc6 Rb8 32. d6?? { (-0.70 → -4.94) Blunder. f3 was best. } (32. f3 f5 33. fxg4 Bxg4 34. Bd7 Kf7 35. Bg5 Rg8 36. Be6+ Kg6 37. Bf4 Rf8 38. Bd7 c5) 32... cxd6 33. Bxd6?! { (-4.64 → -7.61) Inaccuracy. Bf6 was best. } (33. Bf6 b5) 33... Rd8 34. Rd3 Ra6?? { (-7.39 → -1.90) Blunder. Rc7 was best. } (34... Rc7 35. Bxc7 Rxd3 36. f4 Rc3 37. Bxb6 Rxc6 38. a5 Rc4 39. Be3 Ra4 40. Bd2 Ra2 41. Be1) 35. Bb5 Raa8 36. Bc6?? { (-2.16 → -12.81) Blunder. f3 was best. } (36. f3 gxf3 37. Kf2 f6 38. Rd2 Be6 39. Kxf3 Bb3 40. Rd4 Kf7 41. Ke3 Rac8 42. h4 Ke6) 36... Rac8 37. Bb5?! { (-12.62 → Mate in 3) Checkmate is now unavoidable. f3 was best. } (37. f3 Rxc6 38. Kf2 Rdxd6 39. Rb3 Rd2+ 40. Kg3 Rg2+ 41. Kf4 Rf6+ 42. Ke5 Rxf3 43. Rxb6 Rxh2) 37... Rc1+ 38. Rd1 Rxd1+ 39. Bf1 Rxf1# { Black wins by checkmate. } 0-1