[Event "Rosatom Chess Championship Arena"] [Site "https://lichess.org/6l0wewUj"] [Date "2020.10.04"] [White "Nanotechnik"] [Black "alexp36"] [Result "1-0"] [UTCDate "2020.10.04"] [UTCTime "09:49:19"] [WhiteElo "1882"] [BlackElo "1398"] [WhiteRatingDiff "+1"] [BlackRatingDiff "-1"] [Variant "Standard"] [TimeControl "180+2"] [ECO "A45"] [Opening "Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 { A45 Indian Defense } 2. Bf4 d5 3. e3 Nbd7?! { (0.00 → 0.56) Inaccuracy. c5 was best. } (3... c5 4. c3 Nc6 5. Nf3 Qb6 6. Qb3 c4 7. Qxb6 axb6 8. Na3) 4. Nf3 c5 5. c3 e6 6. Bd3 Qb6 7. Qb3 Qd8 8. Qc2 Be7 9. Nbd2 O-O 10. Ne5 c4 11. Be2 Nxe5 12. Bxe5 b5 13. b3 Bb7 14. O-O Nd7 15. Bg3 Nb6 16. a4 cxb3 17. Qxb3?! { (-0.26 → -0.95) Inaccuracy. Nxb3 was best. } (17. Nxb3) 17... bxa4 18. Qc2 Qd7 19. c4? { (-0.77 → -2.23) Mistake. Rfc1 was best. } (19. Rfc1) 19... dxc4 20. Nxc4 Rac8?? { (-2.35 → 0.73) Blunder. Rfc8 was best. } (20... Rfc8) 21. Nxb6 axb6 22. Qxa4 Qxa4 23. Rxa4 Bc6 24. Ra2?! { (0.94 → 0.01) Inaccuracy. Ra7 was best. } (24. Ra7) 24... Bd5?! { (0.01 → 0.91) Inaccuracy. b5 was best. } (24... b5 25. Ra7 Rfe8 26. d5 Bxd5 27. Bxb5 Ra8 28. Rc7 Reb8 29. Rxe7 Rxb5 30. f3 Rb7 31. Rxb7) 25. Rb2 Bc4 26. Bxc4 Rxc4 27. Rxb6 Rfc8 28. Bd6 Bxd6 29. Rxd6 g6 30. g4 Rc1?! { (0.79 → 1.49) Inaccuracy. e5 was best. } (30... e5 31. Rd1 exd4 32. R6xd4 g5 33. Kg2 Rxd4 34. Rxd4 Rc5 35. Kg3 Kg7 36. h4 gxh4+ 37. Kxh4) 31. Rxc1?! { (1.49 → 0.83) Inaccuracy. Rd8+ was best. } (31. Rd8+ Kg7 32. Kg2 g5 33. h4 gxh4 34. Rxc8 Rxc8 35. Rh1 Kg6 36. Rxh4 Rc1 37. Kg3 Rf1) 31... Rxc1+ 32. Kg2 Rc5?? { (0.77 → Mate in 11) Checkmate is now unavoidable. g5 was best. } (32... g5 33. Ra6 Kg7 34. Ra5 Kg6 35. h4 gxh4 36. Rh5 h6 37. Rxh4 Kg5 38. Rh5+ Kxg4 39. Rxh6) 33. f4?? { (Mate in 11 → 0.00) Lost forced checkmate sequence. dxc5 was best. } (33. dxc5 h5 34. c6 Kf8 35. c7 Ke7 36. Rd1 hxg4 37. c8=Q Kf6 38. Rd7 e5 39. Qe8 Kg5) 33... Rc3 34. Kf3 Rc2 35. Kg3 Rc3 36. Kf3 Rc2 37. h4 Rh2 38. Kg3 Rc2?! { (0.58 → 1.23) Inaccuracy. Re2 was best. } (38... Re2 39. Kf3) 39. d5 exd5 40. Rxd5 Rc3 41. Re5 Kg7 42. g5?! { (0.89 → 0.03) Inaccuracy. Kf3 was best. } (42. Kf3 h6 43. h5 Rc1 44. hxg6 Kxg6 45. Rd5 Rh1 46. Ke4 Rh3 47. f5+ Kf6 48. Rd6+ Kg7) 42... Rc4 43. Kg4 f6?? { (0.13 → 11.08) Blunder. Rc1 was best. } (43... Rc1 44. f5 Rc4+ 45. e4 gxf5+ 46. Kxf5 Rc1 47. Kf4 Rf1+ 48. Kg4 Rg1+ 49. Kh5 Re1 50. Re8) 44. Re7+ Kf8 45. gxf6 Rc6 46. Rxh7 Rxf6 47. e4 Re6 48. e5 Kg8 49. Ra7 Rc6 50. Kg5 Rc4?? { (5.61 → Mate in 23) Checkmate is now unavoidable. Kf8 was best. } (50... Kf8 51. h5) 51. Kxg6 Rxf4?! { (65.72 → Mate in 13) Checkmate is now unavoidable. Rc6+ was best. } (51... Rc6+ 52. Kg5) 52. Ra8+ Rf8 53. Rxf8+ Kxf8 54. Kf6 Kg8 55. Ke7 Kg7 56. Kd7 Kf8 57. e6 Kg7 58. e7 Kf7 59. e8=Q+ Kf6 60. h5 Kg5 61. Qg6+ Kh4 62. h6 Kh3 63. h7 { Black resigns. } 1-0