Originally posted by zzywwhat's wrong with just c8=Q Bf5+ Kc7
White to play and draw by A. & K. Sarychev, 1928
[fen]8/1pPK3b/8/8/8/5k2/8/8 w - - 0 1[/fen]
1. c8=Q Bf5+ 2. Kd8 Bxc8 3. Kxc8 b5 wins for black, but white can draw here. The first move is the most important.