[Event "2015 Summer Marathon"] [Site "https://lichess.org/iCaCTazd"] [Date "2015.08.01"] [White "lixes"] [Black "G-Bianchi"] [Result "0-1"] [UTCDate "2015.08.01"] [UTCTime "05:32:24"] [WhiteElo "2177"] [BlackElo "2454"] [WhiteRatingDiff "-4"] [BlackRatingDiff "+6"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "D85"] [Opening "Grünfeld Defense: Exchange Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 { D85 Grünfeld Defense: Exchange Variation } 5. e4 Nxc3 6. bxc3 Bg7 7. Be3 c5 8. Qd2 O-O 9. Rc1 b6 10. Nf3 Bb7 11. Bd3 Nd7 12. O-O Nf6 13. d5 e6 14. c4 Re8 15. Bg5 Qc7 16. Rfe1 Ng4 17. Bf4 Ne5 18. Nxe5 Bxe5 19. Bg3 Bxg3 20. hxg3 Qe5 21. f4?! { (0.30 → -0.25) Inaccuracy. Red1 was best. } (21. Red1 Rad8 22. a4 Qd4 23. a5 b5 24. cxb5 exd5 25. Bb1 Qxd2 26. Rxd2 dxe4 27. Rxd8 Rxd8 28. a6 Bc8 29. Bxe4) 21... Qd4+ 22. Qe3? { (-0.09 → -1.30) Mistake. Kh2 was best. } (22. Kh2 exd5 23. exd5 Rad8 24. Qc2 Rxe1 25. Rxe1 b5 26. Re4 Qf6 27. Qe2 bxc4 28. Re8+ Kg7 29. Bxc4 Rxe8 30. Qxe8 Ba6 31. Qa4 Bxc4) 22... Qxe3+ 23. Rxe3 exd5 24. cxd5 Bxd5 25. Bb5?! { (-1.29 → -2.49) Inaccuracy. a4 was best. } (25. a4 Rad8 26. a5 Bc6 27. e5 Rd4 28. Be2 Rb4 29. Ra3 Kg7 30. axb6 axb6 31. Ra7 Ra8 32. Rc7 Bd5 33. Rd1 Ra2 34. Bf3 Be6) 25... Rxe4 26. Ra3 Rd4 27. Re1 Kg7 28. Re7 a5 29. Rd7 Rb8 30. Re3?! { (-2.70 → -3.63) Inaccuracy. g4 was best. } (30. g4 h6 31. Kh2 Be4 32. Rxd4 cxd4 33. Bd3 Bc6 34. Rb3 b5 35. Rb1 b4 36. Bc4 Kf6 37. Kg3 Rc8 38. Rd1 Rd8 39. g5+ hxg5) 30... Bxa2 31. Ra7 Rbd8 32. Ree7 Bd5?! { (-3.82 → -2.89) Inaccuracy. Rd1+ was best. } (32... Rd1+ 33. Kf2 R1d2+ 34. Re2 Be6 35. Ke3 Rxe2+ 36. Kxe2 Kf6 37. Rc7 Bd5 38. Bc6 Bc4+ 39. Ke3 Rd3+ 40. Kf2 h5 41. Ra7 Rd2+ 42. Kf3) 33. Be8 Rd2 34. Bxf7 Kf6 35. Bxd5 R8xd5 36. g4 R5d4 37. Rf7+ Ke6 38. f5+ Kd5 39. Rxh7 Kc4 40. Rhg7? { (-3.08 → -5.18) Mistake. fxg6 was best. } (40. fxg6 Rxg4 41. g7 Rdxg2+ 42. Kf1 Kb5 43. Rb7 a4 44. Rh6 Rxg7 45. Rbxb6+ Kc4 46. Ra6 Ra2 47. Rh4+ Kb5 48. Ra8 Rg6 49. Rh3 Rd6) 40... Rxg4 41. Rxg6?! { (-4.98 → -7.13) Inaccuracy. fxg6 was best. } (41. fxg6 Rdxg2+ 42. Kf1 Rxg6 43. Rxg6 Rxg6 44. Ke2 Kb4 45. Ra6 c4 46. Ke3 a4 47. Kd4 a3 48. Ra8 Rg4+ 49. Kd5 c3) 41... Rdxg2+ 42. Kf1 Rxg6 43. fxg6 Rxg6 44. Kf2 Rd6?! { (-12.83 → -7.30) Inaccuracy. Kb3 was best. } (44... Kb3 45. Kf1 c4 46. Rc7 c3 47. Ke2 c2 48. Kd3 Rd6+ 49. Ke4 Kb2 50. Ke5 Rg6 51. Kf5 Rh6 52. Kg5 Rh1 53. Ra7 c1=Q+ 54. Kf5) 45. Ke3 Kb4 46. Rh7 b5 47. Rh4+ c4 48. Rh5 Rd3+ 49. Ke2 a4 50. Rg5?! { (-12.73 → Mate in 16) Checkmate is now unavoidable. Rh1 was best. } (50. Rh1 a3 51. Rb1+ Kc5 52. Ra1 b4 53. Ra2 Rh3 54. Kf1 Kd4 55. Kg2 Rb3 56. Ra1 Rb2+ 57. Kf3 c3 58. Rg1 a2 59. Rg4+ Kd3) 50... a3 51. Rg8?! { (-59.65 → Mate in 13) Checkmate is now unavoidable. Rg1 was best. } (51. Rg1 a2 52. Re1 Kb3 53. Kf1 b4 54. Kg2 Kb2 55. Re2+ Ka3 56. Re1 b3 57. Re5 a1=Q 58. Ra5+ Kb2 59. Rf5 Rd2+ 60. Kg3 Qg1+) 51... a2 52. Ra8 Ra3 53. Rh8 a1=Q 54. Rd8 Qb2+ 55. Ke1 Qe5+ 56. Kf1 Ra2 57. Rf8 Qe2+ 58. Kg1 Qg2# { Black wins by checkmate. } 0-1