Calculation: three moves deep is lesson 1 of 9 in Real-game tactics 6: Combinations and quiet moves, a tactics course suited to players rated around 1600 (club players). Combinations of three moves or more. See the whole line, with the opponent's best replies, before you play. 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 and win. (4 positions)
Black to move and win. (3 positions)
Worked examples
White to move and win. 1.Nf6+ Kh8 2.Re3 Nh5 3.gxh5. Every move in the line was forcing. You win the knight on h5 and come out 3 points ahead.
Black to move and win. 1...Kf8 2.Qf5+ Ke7 3.Qe5+ Qxe5. The quiet Kf8 left the opponent without a good answer. You win the queen on e5 and come out 9 points ahead.
More in Real-game tactics 6: Combinations and quiet moves
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