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