Only moves in pawn endings is lesson 1 of 6 in Endgame 8: Pawn endings for experts, an endgame course suited to players rated around 2000 (strong club players). Deep pawn endings: the winning king move is the one that keeps the opposition several moves ahead. It has 7 interactive exercises: 7 calculated lines from real positions. You play every move on a board and get feedback straight away. The lesson is free.
What you practise
White to move and win. (4 positions)
Black to move and win. (3 positions)
Worked examples
White to move and win. 1.Kg2 g4 2.Kf2 Kc5 3.Ke3 Kd5 4.Kf4 Ke6 5.Kxg4. Only Kg2 wins: your king gains the decisive tempo. This is a won endgame (checked with endgame tables). After Kg1 the win would be gone.
Black to move and win. 1...Kf7 2.Kg3 Ke6 3.Kf4 Kd5 4.Ke3 Kxc5. Only Kf7 wins: your king gains the decisive tempo. This is a won endgame (checked with endgame tables). After Kg7 the win would be gone.