[Event "FIDE Women's Candidates"] [Site "Chongqing CHN"] [Date "2023.03.30"] [Round "2.1"] [White "Lei, Tingjie"] [Black "Tan, Zhongyi"] [Result "1-0"] [WhiteElo "2545"] [BlackElo "2526"] [Annotator "Lang,JJ"] [Variant "From Position"] [ECO "?"] [Opening "?"] [FEN "5k2/3b4/8/3p2Kp/3B1P1P/8/6P1/8 b - - 0 71"] [SetUp "1"] [Source "https://lichess.org/study/Vo1SrYHG/DOvDT5zp"] [Orientation "black"] [ChapterMode "gamebook"] { What is the right way to defend the h5-pawn? } 71... Be8! { Guarding both the h5-pawn and the key g6-square. } (71... Bg4?? { Black chooses to guard the h5-pawn on the wrong diagonal. Now, it will be unable to continue guarding h5 without giving up control of the g6-square, resulting in White successfully ousting Black's king from the key f7-square that blockades the passed pawn on the opposite color of White's bishop. } 72. Kg6 Be2 73. f5 Bd3 (73... Bg4 { loses, as the king cannot blockade the f-pawn on a dark square like f8. } 74. f6 Be2 75. f7 Bd1 76. Bc5# $18) 74. g3 Kg8 75. Kxh5 Bxf5 76. g4 { The point is that the connected passers will be decisive with the bishop on the corresponding color of the rook's pawn. } 76... Bd3 77. Kh6 Kf7 78. h5 Ke6 79. Kg7 { and Black resigns. }) 72. Kf6 (72. Kh6 Kg8 { There is no way to control the h7-square. }) 72... Bd7 73. Kg5 Be8 74. Kf6 Bd7 75. f5 { White has no way to make progress after this, for instance: } 75... Be8 76. Bc5+ Kg8 77. Ke7 Bf7 78. Kf6 Be8 79. Ke7 Bf7 80. Be3 Kg7 { 1-0 White wins. } 1-0