Raking Bishops
Raking bishops are a pair of bishops posted on adjacent open diagonals, where they sweep across the board and create powerful attacking or controlling pressure.
- Category
- Strategy
- Difficulty
- Intermediate
- Also known as
- Horwitz bishops, sweeping bishops
Raking bishops are a pair of bishops stationed on adjacent open diagonals so that their lines of fire run roughly parallel across the board. They create coordinated pressure against targets on both wings or against the enemy king.
The bishops do not need to stand on the same colour complex; one occupies light squares while the other occupies dark squares. Because the diagonals are open, each bishop can influence distant squares without being blocked by its own pawns.
The arrangement is strongest when the diagonals point toward the opponent’s king or toward chronically weak squares such as f7, g7 or h7. In such cases the bishops often force concessions, win material or support a direct mating attack.
Raking bishops frequently arise from double-fianchetto setups or from positions in which one bishop is developed to a long diagonal and the second is later placed on the neighbouring diagonal. Once established, they are difficult to challenge because enemy knights and pawns usually cannot attack both bishops at once.
The concept is closely related to the general strength of the bishop pair when the position opens, but the emphasis here is on the specific geometry of two parallel attacking diagonals rather than on colour-complex control alone.
Frequently asked questions
- What are raking bishops in chess?
- Raking bishops are a pair of bishops placed on adjacent open diagonals so their lines of fire run roughly parallel across the board, creating coordinated pressure on both wings or against the enemy king.
- Do raking bishops have to be on the same color squares?
- No, they operate on opposite-colored squares, with one on light squares and the other on dark squares, allowing them to control different complexes without blocking each other.
- When are raking bishops most effective?
- They reach peak strength when the diagonals point toward the opponent’s king or fixed weaknesses such as f7, g7, or h7, often forcing material gains or supporting a mating attack.
- How do raking bishops commonly arise in games?
- They frequently develop from double-fianchetto setups or from positions where one bishop occupies a long diagonal and the second is later placed on the neighboring open diagonal.
About the reviewer
Ben's been in love with chess since he was seven years old, when his grandfather taught him the Sicilian Defense on a well-worn board that had traveled through three generations of family game nights.