Mate in one is lesson 2 of 7 in Real-game tactics 1: Free pieces and first tactics, a tactics course suited to players rated around 600 (beginners). Find the move that checkmates. Try every check: which one leaves the king no escape? 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
Black to move: mate in one. (2 positions)
White to move: mate in one. (5 positions)
Worked examples
White to move: mate in one. 1.Qe7#. The invasion on the 7th rank decided it. Checkmate.
White to move: mate in one. 1.Qf7#. The invasion on the 7th rank decided it. Checkmate.
More in Real-game tactics 1: Free pieces and first tactics