Endgame # R-33: Berger 1890

(1) Endgame # R-33 - Berger 1890 [Burba,M] 1...f3+ 2.Rxf3 [ 2.Kh1 g2+ 3.Kxh2 gxf1B-+ ( 3...gxf1N+-+ ; 3...gxf1Q?= ; 3...gxf1R?= ) ] 2...h1Q+ 3.Kxh1 Kxf3 4.Kg1 g2 0-1