From starting position White moved 1) pawn f3, 2) King f2, 3) King g3, and 4) King h4.
Find the moves for Black so that they checkmate White King on their 4th move.
All moves must be legal.
I gave this puzzle to many a chess master, and they all had very hard time solving it.
Edited by Prime, 06 August 2008 - 06:39 AM.