[Event "2013 Northern Virginia Open"] [Site "?"] [Date "2013.11.09"] [Round "3"] [White "Sinha, Sahil"] [Black "Davydov, Alexander"] [Result "0-1"] [WhiteElo "2070"] [BlackElo "1912"] [Variant "Standard"] [TimeControl "-"] [ECO "D86"] [Opening "Grünfeld Defense: Exchange Variation, Classical Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 { D86 Grünfeld Defense: Exchange Variation, Classical Variation } c5 8. Ne2 Nc6 9. Be3 O-O 10. O-O b6 11. Rb1 Qc7 12. Qd2 Bb7 13. Rfc1 Rfd8 14. f3 e6 15. Qe1 cxd4 16. cxd4 Qe7 17. Qf2 Rac8 18. Bb3?! { (-0.07 → -0.65) Inaccuracy. Bb5 was best. } (18. Bb5 Na5 19. a4 Rxc1+ 20. Bxc1 a6 21. Bd3 Nc6 22. Bb2 Rd7 23. Bc3 Qd8 24. d5 exd5 25. Qxb6 dxe4 26. Qxd8+ Nxd8 27. Bxe4 Bxe4) 18... Ba6 19. d5?! { (-0.58 → -1.15) Inaccuracy. Bc4 was best. } (19. Bc4 Bxc4 20. Rxc4 Na5 21. Rxc8 Rxc8 22. e5 Nc4 23. Ng3 Qa3 24. Bf4 f6 25. Rb3 Qf8 26. exf6 Qxf6 27. Ne2 Qf5 28. Bg3 Qc2) 19... Na5?! { (-1.15 → -0.25) Inaccuracy. exd5 was best. } (19... exd5 20. exd5 Na5 21. Nf4 Be5 22. Rxc8 Rxc8 23. Ba4 Nc4 24. Bc1) 20. dxe6 fxe6 21. Nd4 Nxb3 22. axb3?! { (-0.74 → -1.39) Inaccuracy. Nxb3 was best. } (22. Nxb3 Qd6 23. Bg5 Rxc1+ 24. Rxc1 Qd1+ 25. Qe1 Qxe1+ 26. Rxe1 Rd3 27. Rc1 Bc3 28. Bh4 Bb5 29. Be1 Bb2 30. Rc7 a5 31. Bg3) 22... Rxc1+ 23. Rxc1 Qd7 24. Nc2 Qd3 25. Nb4? { (-1.38 → -2.77) Mistake. h3 was best. } (25. h3 Qxb3 26. Kh2 Bb2 27. Rg1 Qc4 28. Bf4 Qe2 29. Qh4 Rd7 30. Ne3 Bd4 31. Qh6) 25... Qd1+ 26. Qe1 Qxe1+ 27. Rxe1 Bc3 28. Nxa6 Bxe1 29. Kf1 Bc3 30. Ke2 Rc8 31. Kd3?! { (-2.40 → -3.12) Inaccuracy. Bf4 was best. } (31. Bf4 Kf7 32. Kd3 Bb2 33. Bd2 b5 34. h3 Bc1 35. Bb4 Bf4 36. Bc3 Bd6 37. Bd2 Kf6 38. Bc3+ Be5 39. Bd2 Bg3 40. Bc3+ Kf7) 31... e5?! { (-3.12 → -2.42) Inaccuracy. Be5 was best. } (31... Be5 32. f4 Rc3+ 33. Ke2 Bg7 34. b4 Kf7 35. h3 Rb3 36. e5 Bf8 37. Bd2 Be7 38. Kf2 Rb2 39. Ke1 Bf8 40. Ke2 Ra2 41. b5) 32. f4 Kf7 33. g3 Ke6?! { (-2.93 → -2.18) Inaccuracy. h5 was best. } (33... h5 34. b4 Bb2 35. Bd2 Bc1 36. Bxc1 Rxc1 37. fxe5 Ke6 38. b5 Kxe5 39. Nb4 Rd1+ 40. Ke3 Re1+ 41. Kf3 Rxe4 42. Nc6+ Kf5 43. Nxa7) 34. Nc5+ bxc5 35. Kxc3 Kd6 36. Kc4 h5 37. h4 a6 38. Bd2 Rb8 39. fxe5+?! { (-2.56 → -3.47) Inaccuracy. Bc3 was best. } (39. Bc3 exf4 40. gxf4 Re8 41. Be5+ Kc6 42. Kd3 Re7 43. Kc4 Rf7 44. b4 cxb4 45. Kxb4) 39... Ke6 40. Be1 Kxe5 41. g4?! { (-3.63 → -5.02) Inaccuracy. Bf2 was best. } (41. Bf2 Kxe4 42. Bxc5 Rd8 43. Be7 Rd3 44. b4 Rxg3 45. Kc5 Kf5 46. Kb6 Re3 47. Bg5 Re4 48. Ka5 Rc4 49. Ka4 Rd4 50. Kb3 Re4) 41... Kxe4 42. gxh5 gxh5 43. Bf2?! { (-4.71 → -6.19) Inaccuracy. Ba5 was best. } (43. Ba5 Kf5 44. Bc7 Rb4+ 45. Kxc5 Rxb3 46. Bd6 Kg4 47. Kc4 Rb7 48. Kd5 Kxh4 49. Ke6) 43... Rb4+ 44. Kc3 Kf3 45. Bxc5 Rxh4 46. b4 Rg4 47. Kb3 h4 48. Ka4 h3 49. Bd6 Rg6?! { (Mate in 22 → -49.00) Lost forced checkmate sequence. Rf4 was best. } (49... Rf4 50. Ka5 h2 51. Bxf4 Kxf4 52. Kxa6 h1=Q 53. Ka5 Qa8+ 54. Kb5 Qd5+ 55. Ka4 Qc4 56. Ka3 Ke5 57. Ka4 Qa2+ 58. Kb5 Kd6 59. Kb6) 50. Bc7 Kg2 51. Ka5?! { (-55.25 → Mate in 22) Checkmate is now unavoidable. Kb3 was best. } (51. Kb3 h2 52. Bxh2 Kxh2 53. Kb2 Rg5 54. Kc3 a5 55. bxa5 Rxa5 56. Kd4 Kg3 57. Ke4 Rg5 58. Ke3 Re5+ 59. Kd4) 51... h2 52. Bxh2 Kxh2 53. b5 axb5 54. Kxb5 Kg3 { White resigns. } 0-1