[Event "U.S. Girl's Junior Chess Championship 2"] [Site "Chess.com"] [Date "2022.07.08"] [Round "2"] [White "Lee, Alice"] [Black "Wang, Ellen"] [Result "1/2-1/2"] [WhiteElo "2288"] [BlackElo "2040"] [TimeControl "5400+30"] [Annotator "Shlyakhtenko,Robert"] [Variant "From Position"] [ECO "?"] [Opening "?"] [StudyName "2022 U.S. Senior and Juniors"] [ChapterName "Lee, Alice - Wang, Ellen"] [ChapterURL "https://lichess.org/study/cfnNS6tI/ozhjB2XP"] [FEN "8/4R3/5pk1/5p1p/4p2P/2bp2P1/5P2/5K2 b - - 0 64"] [SetUp "1"] [Orientation "white"] 64... Bd4? (64... f4! { was a huge missed chance. } 65. Rxe4 (65. gxf4 { allows Black's king to invade and win after } 65... Kf5 { -- White's rook is on its worst possible square. }) 65... f3! { White's king is entombed and the winning plan is simple: Black plays ...d3-d2 and brings the king to e4, followed by ... Bc3-d4 to cut off the white rook. For example: } 66. Re3 d2 67. Rd3 f5 68. Kg1 Kf6 69. Kh2 Ke5 70. Kg1 (70. Rxf3 Kd4! { is the clean way to do it. }) 70... Ke4 71. Rd8 Bd4 { and wins. }) 65. Rd7 Be5 66. Re7 Bd6 67. Rd7 Bc5 68. Ke1 Bb4+ 69. Kf1 Bc3 (69... f4 { now allows } 70. f3! (70. gxf4 Kf5 71. Rd5+! Kg4 72. Rd4 { also draws. We now see why the rook was particularly bad on e7. })) 70. Rc7 { White has no way to improve her position, and the game soon ends in a draw. } 70... Bd2 71. Re7 Bb4 72. Rb7 Bd6 73. Rd7 Be5 74. Re7 Bd6 { 1/2-1/2 The game is a draw. } 1/2-1/2