The first problem in Benko’s Bafflers in the May 2012 issue of Chess Life (page 49) is flawed. The flaw is a very simple cook that was apparently overlooked by whoever award the study a prize.
What can Black do after 1. g6? (a) 1. … hxg, 2. Nxg6. (b) After any Black king move there is 2. gxh. (c) After 1. … h5, 2. g7 wins since white queens and can then easily capture the black pawn.