1e7+...1.Kc6Attempt to gain the opposition if opponent doesn't know K+P endings.Ke72.Kd5Kd83.Kd6Opposition gained.1.Kd5Ke72.Ke5Kd83.Kd61.Kc5Ke72.Kd5Kd83.Kd61...Ke82Ke6...Statemate
1.e7+1.Kc61.Kd51.Kc5
Understanding Chess Endgames: 1. King and Pawn vs King - 1a1