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Explication
Un sacrifice d'évacuation offre volontairement une pièce pour vider sa case. Une autre pièce du même camp peut alors occuper le point libéré et créer une menace auparavant impossible.
Le sacrifice doit conserver le , c'est-à-dire permettre la suite avant que l'adversaire se défende. La pièce part donc souvent avec échec, capture ou menace.
C'est une forme particulière de de case. Si le départ ouvre aussi une colonne, une rangée ou une diagonale, il se combine au .
Confusions fréquentes
Sacrifice d'évacuation et dégagement
Tout sacrifice d'évacuation dégage une case, mais un dégagement ne sacrifie pas toujours une pièce.
Voir le termeSources
- 1.Clearance Sacrifice - Chess Lessons, Chess.com
- 2.Sacrificio de evacuación - Lecciones de ajedrez, Chess.com
- 3.Glossary of chess, Wikipedia