[Event "U.S. SuperNationals Chess Championships 2025"] [Site "Orlando"] [Date "2025.05.11"] [Round "06"] [White "Bynum, Jacorey"] [Black "Eric Chang Liu"] [Result "0-1"] [WhiteElo "2269"] [BlackElo "2436"] [TimeControl "5400+10"] [Variant "Standard"] [Annotator "https://lichess.org/@/ChessLifeOnline"] [ECO "B90"] [Opening "Sicilian Defense: Najdorf Variation, English Attack"] [StudyName "SuperNationals VIII: Sunday"] [ChapterName "Bynum, Jacorey - Eric Chang Liu"] [ChapterURL "https://lichess.org/study/BKLPJHVT/V7dRneeo"] [Orientation "white"] 1. e4 { [%clk 1:30:00] } 1... c5 { [%clk 1:30:00] } 2. Nf3 { [%clk 1:30:00] } 2... d6 { [%clk 1:30:00] } 3. d4 { [%clk 1:30:00] } 3... cxd4 { [%clk 1:30:00] } 4. Nxd4 { [%clk 1:30:00] } 4... Nf6 { [%clk 1:30:00] } 5. Nc3 { [%clk 1:30:00] } 5... a6 { [%clk 1:30:00] } 6. Be3 { [%clk 1:30:00] } 6... e5 { [%clk 1:30:00] } 7. Nf3 { [%clk 1:30:00] } 7... Be7 { [%clk 1:30:00] } 8. Bc4 { [%clk 1:30:00] } 8... O-O { [%clk 1:29:05] } 9. O-O { [%clk 1:29:37] } 9... Nc6 { [%clk 1:26:07] } 10. Bg5 { [%clk 1:25:31] } 10... Be6 { [%clk 1:25:26] } 11. Bb3 { [%clk 1:25:25] } 11... Nd7 { [%clk 1:24:34] } 12. Bxe7 { [%clk 1:22:17] } 12... Qxe7 { [%clk 1:24:34] } 13. Nd5 { [%clk 1:22:12] } 13... Bxd5 { [%clk 1:17:26] } 14. Bxd5 { [%clk 1:21:57] } 14... Nb4 { [%clk 1:17:26] } 15. c3 { [%clk 1:15:01] } 15... Nxd5 { [%clk 1:17:00] } 16. Qxd5 { [%clk 1:15:01] } 16... Nf6 { [%clk 1:16:49] } 17. Qd3 { [%clk 1:14:51] } 17... d5 { [%clk 1:15:17] } 18. exd5 { [%clk 1:12:34] } 18... e4 { [%clk 1:15:17] } 19. Qe3 { [%clk 1:06:34] } 19... Rae8 { [%clk 1:04:19] } 20. Rfe1 { [%clk 0:59:20] } 20... Nxd5 { [%clk 0:56:12] } 21. Qg5 { [%clk 0:53:17] } 21... f5 { [%clk 0:40:47] } 22. Qxe7 { [%clk 0:49:06] } 22... Rxe7 { [%clk 0:40:47] } 23. Nd4 { [%clk 0:47:49] } 23... f4 { [%clk 0:34:53] } 24. Rad1 { [%clk 0:47:02] } 24... Nf6 { [%clk 0:20:13] } 25. Nc2 { [%clk 0:44:25] } 25... Rfe8 { [%clk 0:18:02] } 26. Rd4 { [%clk 0:42:32] } 26... Re5 { [%clk 0:16:30] } 27. h3 { [%clk 0:33:19] } 27... g5 { [%clk 0:15:45] } 28. Rd6 { [%clk 0:30:33] } 28... Kf7 { [%clk 0:15:04] } 29. Nd4 { [%clk 0:30:18] } 29... h5 { [%clk 0:14:15] } 30. Kf1 { [%clk 0:26:26] } 30... g4 { [%clk 0:13:31] } 31. h4 { [%clk 0:22:08] } 31... e3 { [%clk 0:10:41] } 32. fxe3 { [%clk 0:15:57] } 32... Rxe3 { [%clk 0:07:23] } 33. Rxe3 { [%clk 0:13:23] } 33... Rxe3 { [%clk 0:07:23] } 34. Rb6 { [%clk 0:13:16] } 34... Ne4 { [%clk 0:04:15] } 35. Rxb7+ { [%clk 0:04:54] } 35... Ke8 { [%clk 0:04:15] } 36. Rb8+ { [%clk 0:03:55] } 36... Kd7 { [%clk 0:04:15] } 37. Rb7+ { [%clk 0:03:55] } 37... Kc8 { [%clk 0:04:15] } 38. Rf7 { [%clk 0:03:55] } 38... Nd2+ { [%clk 0:02:56] } 39. Kg1 { [%clk 0:03:55] } 39... g3 { [%clk 0:02:56] } 40. Nf3 { [%clk 0:03:55] } 40... Nxf3+ { [%clk 0:02:50] } 41. gxf3 { [%clk 0:03:55] } 41... Rxf3 { This was another rook endgame that caught my attention. It is important for White to be mindful of the f- and g-pawns before looking to win more material. But, at the same time, creating counterplay on the queenside will be hard because his own pawns are not advanced enough! } { [%clk 0:02:50] } 42. Rf5?? { [%clk 0:03:13] } (42. a4! { [%cal Gf7a7] } 42... Rf2 43. b4 f3 44. Rg7 { Only now! With the g-pawn attacked, Black has to take the repetition. } { [%csl Gg3] } 44... Rg2+ 45. Kf1 Rf2+) 42... Kd7! { Not only did the rook become misplaced, but it also allowed Black's king to advance towards supporting the passed pawns. } { [%clk 0:02:34] } 43. Rxh5 { [%clk 0:03:02] } 43... Rd3? { This is the right approach to improvement, but it is a bit too slow. } { [%clk 0:02:34] } (43... Ke6 44. Rg5 Rf2 45. h5 Rxb2 46. h6 Rh2 47. c4 Kf6 48. Rg8 Kf5 $19 { [%cal Gf5e4,Ge4f3] }) 44. Kg2?? { The fatal, game-losing mistake. It may seem intuitive to keep the king in between the pawns to stop them from advancing, but this helps Black instead. } { [%clk 0:02:23] } (44. Rg5! { [%csl Gg3][%cal Gf4g3] } 44... Rd2 (44... Ke6 45. a4 Rd2 46. b4 Rh2 47. b5 axb5 48. axb5 Rxh4 49. b6 Rh2 50. c4 Rb2 51. c5 $10) 45. b4 Rxa2 46. Rg4 Rf2 47. h5 $10) 44... Rd2+! { [%clk 0:02:34] } 45. Kf3 { [%clk 0:02:00] } 45... Rf2+ { [%clk 0:02:34] } 46. Ke4 { Now that the king has been pushed away, Black is able to support the pawns easily. } { [%cal Gg3g2,Gf4f3,Gf2f1] [%clk 0:02:00] } 46... g2 { [%clk 0:02:34] } 47. Rg5 { [%clk 0:02:00] } 47... f3 { [%clk 0:02:34] } 48. h5 { [%clk 0:00:35] } 48... Rf1 { [%clk 0:02:34] } 49. Ke3 { [%clk 0:00:23] } 49... g1=Q+ { [%clk 0:02:34] } 50. Rxg1 { [%clk 0:00:34] } 50... Rxg1 { [%clk 0:02:27] } 51. Kxf3 { [%clk 0:00:34] } 51... Rg5 { [%clk 0:02:27] } 52. Ke4 { [%clk 0:00:34] } 52... Rxh5 { [%clk 0:02:27] } 53. b4 { [%clk 0:00:31] } 53... Kd6 { [%clk 0:02:27] } 54. Kd4 { [%clk 0:00:31] } 54... Rh4+ { [%clk 0:02:27] } 55. Kd3 { [%clk 0:00:31] } 55... Kd5 { [%clk 0:02:27] } 56. a4 { [%clk 0:00:31] } 56... Rh3+ { [%clk 0:02:27] } 57. Kc2 { [%clk 0:00:31] } 57... Kc4 { 0-1 Black wins. } { [%clk 0:02:27] } 0-1