Clearance sacrifice

Chess tactic

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Example of clearance sacrifice

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1.Rf8+ Rxf8 2.Qg8+ Rxg8 3.Nf7#

In chess, a clearance sacrifice is a tactical motif which involves a square on the chessboard being vacated to open up lines of attack. The tactic may also result in the substitution of a piece hindering the attack by a piece useful to the attack.

## Example

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In the diagram, the clearance sacrifice 1.Rf8+ vacates the f7-square and, after 1...Rxf8 (better than 1...Bxf8 2.Qg8#), White utilizes the battery on the a2–g8 diagonal. After 2.Qg8+ Rxg8 (only move), White has a classic smothered mate with 3.Nf7#, utilizing the f7-square vacated by the clearance sacrifice.[1]

## References

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1. ^ George Huczek (2017). A to Z Chess Tactics. Batsford. pp. 1–349\. ISBN 978-1-8499-4446-5.