Removing the defender, part 2 is lesson 4 of 9 in Deflection and decoy, a tactics course suited to players rated around 1400 (club players). If a piece or a square is guarded only once, take the guard and it falls. More positions, a little harder. 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: mate in 2. (2 positions)
White to move: mate in 3.
Black to move: remove the defender and win. (2 positions)
White to move: remove the defender and win. (2 positions)
Worked examples
White to move: mate in 2. 1.Qxf6+ Kg8 2.Qxd8#. Taking the bishop on f6 removed the defender of d8. Mate in 2.
White to move: mate in 2. 1.Rxd2 Kf8 2.Rd8#. Taking the rook on d2 removed the defender of d8. Mate in 2.