[Event "2026 Us Open"] [Site "Grand Rapids, MI"] [Date "2026.08.05"] [Round "5.1"] [White "Liang, Jason"] [Black "Yoo, Christopher Woojin"] [Result "1/2-1/2"] [WhiteElo "2445"] [BlackElo "2605"] [Annotator "Foisor,Sabina"] [WhiteClock "0:35:42"] [BlackClock "0:57:00"] [Variant "Standard"] [ECO "?"] [Opening "?"] [StudyName "2026 U.S. Open and Invitationals, Pt. 1"] [ChapterName "Liang, Jason - Yoo, Christopher Woojin"] [ChapterURL "https://lichess.org/study/GybCbfWL/yFxrCFMf"] [FEN "2b4k/7r/3pn1R1/2p5/6R1/2PP4/1P4P1/4b1K1 b - - 0 45"] [SetUp "1"] [Orientation "white"] 45... Ng7? (45... Rg7! 46. Rxg7 Nxg7 47. Ra4 Bf5 { [%anno "ChessLifeOnline", chesslifeonline] Three minor pieces should seal the deal, but of course there is still some life in this endgame! }) 46. Rxd6 Ne6?? (46... Rh1+ { [%anno "ChessLifeOnline", chesslifeonline] The only way to keep some advantage, but now Black has lost another pawn compared to the above variation. } 47. Kxh1 Bxg4 48. b4 Bxc3 49. bxc5 Ne6 $13 { This may still be winning according to the engine, but it is certainly difficult, in my opinion. }) 47. Re4 Bg3 48. Rdxe6 Bxe6 49. Rxe6 Ra7 50. Rf6 Kg7 51. Rf3 Ra1+ 52. Rf1 Bh2+ 53. Kf2 Bg3+ 54. Ke2 Ra2 55. Kf3 Bd6 56. b4 cxb4 57. cxb4 Bxb4 58. Rf2 Ra4 59. Rc2 Bd6 60. Rc4 Ra2 61. Rd4 Ra6 62. Rd5 Kf6 63. Ke4 Ke6 64. Rh5 Ra2 65. Rh6+ Kd7 66. Kd5 Be7 67. Rg6 Ra5+ 68. Ke4 Ke8 69. d4 Kf7 70. Rc6 Ra4 71. Ke5 Ra2 72. g4 Rg2 73. Kf5 Rf2+ 74. Ke4 Bf6 75. d5 Rd2 76. d6 Ke6 77. d7+ Ke7 78. Rc7 Rxd7 79. Rxd7+ Kxd7 1/2-1/2