Win (5 + 3)

Marcin Banaszek,    1° Hon. Mention Szachy 1966 (corr. Problemista 2003)    1.Bh5+ Kg8 2.Bh4! (first sacrifice of bishop) 2...Rf4+ 3.Ke5 R:h4 4.Kf5!! (second sacrifice of bishop; try: 4.Bf3? Kh7! 5.Ke6 Tc4! 6.Kd7 (6.Bh5 Tc8! 7.Ke7 a3 8.Be8 a2 9.f7 Rc7+! 10.Bd7 R:d7+! 11.K:d7 K:g7=) 6...a3! 7.g8Q+ K:g8 8.Bd5+ Kf8 9.B:c4 a2 fails because of 10.B:a2 stalemate) 4...R:h5+ 5.Kg6 Rf5 (5...Rg5+ 6.K:g5 Kh7 7.Kf5 a3 8.Ke6 Kg8 9.Ke7+-] 6.K:f5 Kf7 7.Kg5! a3 8.Kh6 a2 9.Kh7 a1Q 10.g8Q+ K:f6 11.Qh8/g7+- White sacrifices two bishops to activate his king and secure pawn promotion.