62. Bxf5!! bishop sacs and collapases the king castle! Sakaev vs D Langier, 1992  (A80) Dutch, 67 moves, 1-0 27.f5!! sacs exchange for 2 connected passed pawns D Rogozenko vs Nguyen Anh, 1994  (E21) Nimzo-Indian, Three Knights, 37 moves, 1-0 50. Rf2!! (Black king is arrested!) A Kosikov vs V Bezman, 1986  (C69) Ruy Lopez, Exchange, Gligoric Variation, 6.d4, 58 moves, 1-0 Black lost center control ; white atacks ; with Q sac!! Stoltz vs H Steiner, 1952  (A21) English, 34 moves, 1-0