Endgame

Queen vs a Pawn on the 7th

8
7
6
5
4
3
2
a1
b
c
d
e
f
g
h

White to move

A queen beats a lone pawn one step from promoting — check the king, then step closer, repeating until you win the pawn and mate. (Careful: a ROOK- or BISHOP-pawn can draw by stalemate tricks — but this central pawn is a clean win.)