Decoys: lure the king is lesson 9 of 9 in Real-game tactics 10: Grandmaster calculation, a tactics course suited to players rated around 2400 (advanced players). A sacrifice that drags the king onto a bad square, where a check, a fork or mate is waiting. It has 6 interactive exercises: 6 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: lure the king and win. (2 positions)
Black to move: mate in 4. (2 positions)
Black to move: mate in 7.
White to move: lure the king and win.
Worked examples
Black to move: lure the king and win. 1...Rxd2+ 2.Kxd2 Qxc3+ 3.Kd1 Rd8+ 4.Rd7 Rxd7+. The rook sacrifice lured the king to d2. You win the rook on d7 and come out 4 points ahead.
Black to move: mate in 4. 1...Qxf2+ 2.Kxf2 Bg3+ 3.Ke2 Rg2+ 4.Kf1 Rf2#. The queen sacrifice lured the king to f2. Mate in 4.
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