[Event "U.S. SuperNationals Chess Championships 2025"] [Site "Orlando"] [Date "2025.05.11"] [Round "07"] [White "Singh, Ian Avery"] [Black "LeBakken, Lukas W"] [Result "0-1"] [WhiteElo "1888"] [BlackElo "2032"] [TimeControl "5400+10"] [Variant "Standard"] [ECO "C78"] [Opening "Ruy Lopez: Morphy Defense"] [StudyName "SuperNationals VIII: Sunday"] [ChapterName "Singh, Ian Avery - LeBakken, Lukas W"] [ChapterURL "https://lichess.org/study/BKLPJHVT/h4twTq62"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [Orientation "white"] 1. e4 { [%clk 1:30:00] } 1... e5 { [%clk 1:30:00] } 2. Nf3 { [%clk 1:30:00] } 2... Nc6 { [%clk 1:30:00] } 3. Bb5 { [%clk 1:29:58] } 3... a6 { [%clk 1:30:00] } 4. Ba4 { [%clk 1:29:58] } 4... Nf6 { [%clk 1:30:00] } 5. O-O { [%clk 1:29:58] } 5... b5 { [%clk 1:30:00] } 6. Bb3 { [%clk 1:29:58] } 6... Bc5 { [%clk 1:30:00] } 7. a4 { [%clk 1:29:57] } 7... Bb7 { [%clk 1:29:02] } 8. c3 { [%clk 1:25:45] } 8... d6 { [%clk 1:28:45] } 9. d4 { [%clk 1:25:08] } 9... Bb6 { [%clk 1:28:41] } 10. Nbd2 { [%clk 1:22:05] } 10... exd4 { [%clk 1:23:45] } 11. cxd4 { [%clk 1:17:55] } 11... O-O { [%clk 1:18:49] } 12. e5 { [%clk 1:15:07] } 12... dxe5 { [%clk 1:15:06] } 13. dxe5 { [%clk 1:15:05] } 13... Nd7 { [%clk 1:13:23] } 14. e6 { [%clk 1:13:05] } 14... fxe6 { [%clk 1:12:56] } 15. Bxe6+ { [%clk 1:13:05] } 15... Kh8 { [%clk 1:12:56] } 16. Ne4 { [%clk 1:07:02] } 16... Nde5 { [%clk 1:09:46] } 17. Qxd8 { [%clk 0:38:26] } 17... Nxf3+ { [%clk 1:07:30] } 18. gxf3 { [%clk 0:37:49] } 18... Raxd8 { [%clk 1:06:20] } 19. Ng5 { [%clk 0:36:11] } 19... Ne5 { [%clk 1:04:29] } 20. f4 { [%clk 0:35:13] } 20... Rf6 { [%clk 0:58:54] } 21. Ra3 { [%clk 0:20:11] } 21... h6 { [%clk 0:49:59] } 22. Rh3 { [%clk 0:20:05] } 22... Rd3 { [%clk 0:48:52] } 23. Be3 { [%clk 0:18:39] } 23... Bxe3 { [%clk 0:46:28] } 24. fxe3 { [%clk 0:18:32] } 24... Rd2 { [%clk 0:46:07] } 25. e4 { [%clk 0:17:19] } 25... Nd3 { [%clk 0:26:02] } 26. f5 { [%clk 0:15:50] } 26... Nc5 { [%clk 0:25:21] } 27. axb5 { [%clk 0:10:27] } 27... Nxe4 { [%clk 0:22:23] } 28. Nxe4 { [%clk 0:08:52] } 28... Bxe4 { [%clk 0:22:23] } 29. Rg3 { [%clk 0:08:52] } 29... axb5 { [%clk 0:22:11] } 30. Ra1 { [%clk 0:05:54] } 30... Rd8 { [%clk 0:13:56] } 31. Rc1 { [%clk 0:05:14] } 31... Bxf5 { [%clk 0:12:54] } 32. Bxf5 { [%clk 0:05:14] } 32... Rxf5 { [%clk 0:12:54] } 33. Rxc7 { [%clk 0:05:14] } 33... Rd1+ { [%clk 0:12:54] } 34. Kg2 { [%clk 0:04:41] } 34... Rd2+ { [%clk 0:12:54] } 35. Kg1 { [%clk 0:04:00] } 35... Rg5 { [%clk 0:12:54] } 36. Rxg5 { [%clk 0:03:58] } 36... hxg5 { [%clk 0:12:54] } 37. Rc5 { [%clk 0:03:58] } 37... Rxb2 { [%clk 0:12:54] } 38. Rxg5 { [%clk 0:03:58] } 38... Kh7 { [%clk 0:12:47] } 39. Rc5 { [%clk 0:03:01] } 39... Kh6 { [%clk 0:12:44] } 40. Kh1?? { [%clk 0:02:57] } (40. h4! { The more being Black's king is, the more difficult it is to expect a win by Black. } 40... b4 (40... g6 41. Kf1 b4 42. Rb5 b3 43. Rb7 Kh5 44. Rb4 Rb1+ { [%cal Gb4h4] } 45. Kg2 b2 46. Kh2 $10) 41. h5 b3 42. Rb5 $10 { [%cal Rb5h5] }) 40... g5 { [%clk 0:12:38] } 41. Re5 { [%clk 0:02:47] } 41... Kh5 { [%clk 0:12:31] } 42. Re4 { [%clk 0:02:47] } 42... Rc2?? { [%clk 0:12:25] } (42... b4! 43. h3 Kg6 44. Rc4 Kf5 45. Kg1 b3 46. Rb4 Ke5 47. Kf1 Kd5 48. Rb5+ Kc4 49. Rxg5 Rc2 $19 50. h4 { [%cal Gc2h2] } (50. Rg8 b2 51. Rc8+ Kd5 52. Rb8 Rc1+ 53. Ke2 $19) 50... b2 $19) 43. Rb4 { [%clk 0:02:47] } 43... Rc5 { [%clk 0:12:15] } 44. Kg2 { [%clk 0:02:47] } 44... Kg6 { [%clk 0:12:15] } 45. Kg3 { [%clk 0:02:34] } 45... Kf5 { [%clk 0:12:15] } 46. Rd4?? { [%clk 0:01:56] } (46. h4! { was not the only move, but it's the simplest. } { [%csl Gg5,Gh4] } 46... Rc3+ 47. Kg2 Rc5 48. hxg5 Kxg5 49. Kf3 $10 { [%cal Gf3c3] }) 46... Rc3+? { [%clk 0:11:54] } (46... Ke5 $19) 47. Kg2?? { [%clk 0:01:56] } (47. Kf2! Rc2+ (47... Ke6 48. h4! Rc4 49. Rxc4 bxc4 50. hxg5 $10) 48. Ke1 Rxh2 49. Rb4 g4 50. Rxb5+ Kf4 51. Rb3 $10 { [%cal Gb3h3,Ge1g1] }) 47... Rb3?? { [%clk 0:11:37] } (47... Rc2+! 48. Kf1 Rxh2?? (48... Ke6! 49. Rg4 Rc5)) (47... Ke6 48. h4 Rc4! 49. Rd8 (49. Rxc4 bxc4 { [%cal Gc4f4,Gf4f1,Gf1a1,Ga1a4,Ga4c4] } 50. hxg5 (50. Kf3 gxh4 $19) 50... c3 $19) 49... gxh4 $19) 48. Rd8?? { [%clk 0:01:50] } (48. h3!! { What a difficult move to spot! }) 48... b4 { [%clk 0:11:36] } 49. Rb8 { [%clk 0:01:50] } 49... Kf4 { [%clk 0:11:30] } 50. Rb5 { [%clk 0:01:27] } 50... Rb2+ { [%clk 0:11:30] } 51. Kg1 { [%clk 0:01:27] } 51... Kg4 { [%clk 0:10:27] } 52. Rc5 { [%clk 0:01:23] } 52... Kf4 { [%clk 0:10:13] } 53. Rb5 { [%clk 0:01:15] } 53... b3 { [%clk 0:10:09] } 54. Kf1 { [%clk 0:01:15] } 54... g4 { [%clk 0:09:45] } 55. Kg1 { [%clk 0:01:15] } 55... g3 { [%clk 0:08:27] } 56. hxg3+ { [%clk 0:01:15] } 56... Kxg3 { [%clk 0:08:27] } 57. Kf1 { [%clk 0:01:15] } 57... Kf3 { [%clk 0:08:27] } 58. Ke1 { [%clk 0:01:14] } 58... Ke3 { [%clk 0:08:27] } 59. Kd1 { [%clk 0:01:15] } 59... Rb1# { 0-1 Black wins. } { [%clk 0:08:27] } 0-1