Discovered attacks is lesson 3 of 6 in Discovered attacks, a tactics course suited to players rated around 1100 (improving players). Move one piece out of the way and the bishop, rook or queen behind it attacks. The piece that moves can make a threat of its own, so two threats arrive at once. It has 10 interactive exercises: 10 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: win material with a discovered attack. (6 positions)
Black to move: win material with a discovered attack. (4 positions)
Worked examples
White to move: win material with a discovered attack. 1.Qa4+ Nd7 2.Bxb6. Moving the queen uncovered the bishop on e3, which attacked the queen. You win the queen on b6 and come out 9 points ahead.
Black to move: win material with a discovered attack. 1...Re3+ 2.Kf1 Bxb1. Moving the rook uncovered the bishop on g6, which attacked the queen. You come out 6 points ahead in material.
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