[Event "Sousse Interzonal"] [Site "Sousse"] [Date "1967.??.??"] [Round "3"] [White "Fischer, Robert James"] [Black "Myagmarsuren, Lhamsuren"] [Result "1-0"] [Annotator "Holland Mills"] [FEN "2r2qk1/r4p1p/b3pBpQ/n3P2P/p2p3R/P5P1/2p2PB1/R5K1 w - - 0 31"] [Variant "Standard"] [ECO "?"] [Opening "?"] [StudyName "Devastating Chess Tactics 2025"] [ChapterName "Line Opening Fischer-Myagmarsuren Sousse 1967"] [ChapterURL "https://lichess.org/study/OILles4o/hZhIUkSM"] [FEN "2r2qk1/r4p1p/b3pBpQ/n3P2P/p2p3R/P5P1/2p2PB1/R5K1 w - - 0 31"] [SetUp "1"] [Orientation "white"] { Fischer forces mate in three by opening lines on the kingside: } 31. Qxh7+!! Kxh7 32. hxg6+ Kxg6 (32... Kg8 33. Rh8# { The classic rook-and-bishop mate. }) 33. Be4# { 1-0 White wins. } 1-0