Only moves in defence is lesson 4 of 8 in Defensive moves, a tactics course suited to players rated around 1400 (club players). Your opponent threatens something serious. Find the one move that meets the threat and keeps your advantage; the natural moves throw it away. 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: meet the threat and keep the advantage. (2 positions)
White to move: meet the threat and keep the advantage. (5 positions)
Worked examples
Black to move: meet the threat and keep the advantage. 1...Ne5. Ne5 met the threat, and the advantage stayed. The position is winning.
White to move: meet the threat and keep the advantage. 1.c3. c3 met the threat, and the advantage stayed. The position is winning.