Black wins the Rook on e6 in 4 moves–or checkmates in 3 moves.

SEE ANSWER BELOW >

Diagrams from John Bain’s best-selling book

Chess Tactics For Students

Chapter 8 Skewers –

A SKEWER is an attack on two pieces lined up on the same file, rank, or diagonal. When the first piece moves, a less valuable piece behind it is captured. Some Skewers can be simple, as shown in Diagram 218. Others take two or more moves to set up.

Next, Diagram 223 SKEWERS:

White wins the Queen for a Bishop in 2 moves >

Chess Tactics For Students

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Chess Tactics For Students is a workbook for intermediate and advanced students containing 434 carefully selected problems in worksheet format. Chess Tactics has been extensively field tested with elementary, middle-school, and high-school students over a four-year period.

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Answer – Diagram 222:

1.    …                  Qxf1+

2. Kxf1                 Rd1+

3. Ke2                   Re1+

4. K moves           Rxe6

or

1.    …                   Qxf1+

2. Kxf1                  Rd1+

3. Re1??                Rxe1#