[Event "U.S. Chess Championship - Open"] [Site "St. Louis"] [Date "2024.10.17"] [Round "06"] [White "Dominguez Perez, Leinier"] [Black "Mishra, Abhimanyu"] [Result "1-0"] [WhiteElo "2741"] [BlackElo "2630"] [TimeControl "5400+30"] [Annotator "FM Davis Zong"] [Variant "Standard"] [ECO "B90"] [Opening "Sicilian Defense: Najdorf Variation, English Attack"] [StudyName "2024 U.S. Championship and U.S. Women's Championship"] [ChapterName "Dominguez Perez, Leinier - Mishra, Abhimanyu"] [ChapterURL "https://lichess.org/study/K5XjRsoK/5JtYgkz9"] [Orientation "white"] { An almost completely even position for most of the game suddenly swung in the first player’s favor after an innocuous-looking queen move by the second player allowed white’s pawn to take a crucial step. One small pawn step to c6 proved a big step for Dominguez, as he soon was able to escort the pawn home and take home the full point. } 1. e4 { [%clk 1:30:54] } 1... c5 { [%clk 1:30:51] } 2. Nf3 { [%clk 1:31:14] } 2... d6 { [%clk 1:30:45] } 3. d4 { [%clk 1:31:40] } 3... cxd4 { [%clk 1:31:10] } 4. Nxd4 { [%clk 1:32:05] } 4... Nf6 { [%clk 1:31:28] } 5. Nc3 { [%clk 1:32:27] } 5... a6 { [%clk 1:31:44] } 6. Be3 { [%clk 1:32:50] } 6... e5 { [%clk 1:31:55] } 7. Nf3 { [%clk 1:33:12] } 7... Be7 { [%clk 1:31:31] } 8. Bc4 { [%clk 1:33:33] } 8... O-O { [%clk 1:31:01] } 9. O-O { [%clk 1:33:54] } 9... Nc6 { [%clk 1:30:37] } 10. Bg5 { [%clk 1:34:13] } 10... Be6 { [%clk 1:30:20] } 11. Qe2 { [%clk 1:34:35] } 11... Nd7 { [%clk 1:22:15] } 12. Bxe7 { [%clk 1:32:03] } 12... Qxe7 { [%clk 1:21:23] } 13. Nd5 { [%clk 1:32:25] } 13... Bxd5 { [%clk 1:16:37] } 14. Bxd5 { [%clk 1:32:39] } 14... Nf6 { [%clk 1:15:11] } 15. Rad1 { [%clk 1:13:50] } 15... Rac8 { [%clk 1:12:17] } 16. c3 { [%clk 1:13:02] } 16... Rfd8 { [%clk 1:11:14] } 17. g3 { [%clk 0:58:49] } 17... Nxd5 { [%clk 0:57:44] } 18. Rxd5 { [%clk 0:54:47] } 18... Qe6 { [%clk 0:57:32] } 19. Rfd1 { [%clk 0:54:05] } 19... Ne7 { [%clk 0:55:50] } 20. R5d3 { [%clk 0:54:26] } 20... f6 { [%clk 0:52:18] } 21. Nh4 { [%clk 0:52:57] } 21... Rd7 { [%clk 0:47:30] } 22. b3 { [%clk 0:39:53] } 22... d5 { [%clk 0:36:14] } 23. exd5 { [%clk 0:34:28] } 23... Rxd5 { [%clk 0:36:12] } 24. c4 { [%clk 0:33:07] } 24... Rxd3 { [%clk 0:36:27] } 25. Qxd3 { [%clk 0:33:00] } 25... b6 { [%clk 0:30:10] } 26. Ng2 { [%clk 0:28:49] } 26... Nf5 { [%clk 0:26:22] } 27. Qe4 { [%clk 0:21:59] } 27... Re8 { [%clk 0:22:44] } 28. Ne3 { [%clk 0:20:36] } 28... Nd4 { [%clk 0:18:20] } 29. Nc2 { [%clk 0:14:41] } 29... Nc6 { [%clk 0:14:20] } 30. Ne3 { [%clk 0:14:42] } 30... Nd4 { [%clk 0:14:23] } 31. Nc2 { [%clk 0:11:30] } 31... Nc6 { [%clk 0:14:13] } 32. Qe3 { [%clk 0:08:37] } 32... Rb8 { [%clk 0:08:35] } 33. Rd2 { [%clk 0:05:48] } 33... h6 { [%clk 0:06:24] } 34. h4 { [%clk 0:05:15] } 34... f5 { [%clk 0:05:23] } 35. Nd4 { [%clk 0:04:31] } 35... Nxd4 { [%clk 0:05:41] } 36. Rxd4 { [%clk 0:04:59] } 36... Re8 { [%clk 0:04:38] } 37. Rd5 { [%clk 0:04:05] } 37... Kh8 { [%clk 0:03:26] } 38. Qd3 { [%clk 0:02:06] } 38... Qf6 { [%clk 0:01:24] } 39. Rd6 { [%clk 0:01:31] } 39... Re6 { [%clk 0:01:06] } 40. Rxe6 { [%clk 0:00:36] } 40... Qxe6 { [%clk 0:01:31] } 41. b4 { [%clk 0:29:20] } 41... Qc6 { [%clk 0:16:55] } 42. h5 { [%clk 0:23:15] } 42... Kg8 { [%clk 0:11:52] } 43. a3 { [%clk 0:22:00] } 43... e4 { [%clk 0:10:25] } 44. Qd4 { [%clk 0:19:15] } 44... Kf7 { [%clk 0:08:20] } 45. c5 { [%clk 0:19:31] } 45... bxc5 { [%clk 0:07:17] } 46. bxc5 $14 { With perfect play, this should be a draw, but it's easier to play the side with the passed pawn. } { [%clk 0:19:59] } 46... Qe6 { [%clk 0:05:52] } 47. Kf1 { [%clk 0:16:46] } 47... g5 { [%clk 0:04:56] } 48. hxg6+ { [%clk 0:14:26] } 48... Kxg6 { [%clk 0:05:21] } 49. Qc3 { [%clk 0:13:09] } 49... Qc6 { [%clk 0:03:36] } 50. Ke1 { [%clk 0:13:33] } 50... h5 { [%clk 0:02:10] } 51. Qe5 { [%clk 0:11:26] } 51... Qd7 { [%clk 0:02:06] } 52. Qc3 { [%clk 0:10:31] } 52... Qc6 { [%clk 0:02:07] } 53. Qb4 { [%clk 0:10:09] } 53... Kf7 { [%clk 0:01:44] } 54. Qb6 { [%clk 0:09:41] } 54... Qb5 { [%clk 0:01:43] } 55. Qc7+ { [%clk 0:09:03] } 55... Ke8 { [%clk 0:01:18] } 56. Qe5+ { [%clk 0:05:27] } 56... Kd8 { [%clk 0:01:40] } 57. Qd4+ { [%clk 0:04:48] } 57... Kc8 { Great technique by Mishra, putting his king in front of the passed pawn. The black queen is in a prime position to deliver checks too. } { [%clk 0:01:33] } 58. a4 { [%clk 0:02:29] } 58... Qb3?? { An innocuous move but a blunder! The c6-pawn suddenly weaves a mating net and guarantees a pawn promotion. } { [%clk 0:00:49] } 59. c6! { [%clk 0:01:56] } 59... Qd3 { [%clk 0:00:39] } 60. Qb6 { Somehow, there is no perpetual for Mishra here as the white king can always run to shelter! } { [%clk 0:01:29] } 60... Qd6 { [%clk 0:00:33] } (60... Qc3+ 61. Kf1 Qd3+ 62. Kg2 Qf3+ 63. Kh2 $18) 61. Qxa6+ { [%clk 0:01:45] } 61... Kd8 { [%clk 0:00:45] } 62. Qa8+ { [%clk 0:01:13] } 62... Ke7 { [%clk 0:00:44] } 63. Qb7+ { [%clk 0:01:37] } 63... Kf6 { [%clk 0:00:48] } 64. c7 { [%clk 0:01:39] } 64... e3 { [%clk 0:00:45] } 65. Qb2+ { [%clk 0:02:04] } 65... Kg6 { [%clk 0:00:54] } 66. c8=Q { [%clk 0:02:12] } 66... exf2+ { [%clk 0:01:19] } 67. Kxf2 { 1-0 White wins. } { [%clk 0:02:27] } 1-0