Legal's Mate
Legal's Mate is a famous tactical pattern involving a spectacular queen sacrifice that leads to checkmate. Named after Sire de Légal, it demonstrates the power of piece coordination over material.
← All patternsKey ideas
Piece coordination is paramount; Queen sacrifices can lead to forced checkmate; Development and activity trump material; Calculate forcing sequences carefully
Strengths
Teaches tactical vision and calculation; demonstrates piece coordination; shows brilliant sacrificial combinations
Watch out for
Requires precise move order; difficult for beginners to execute accurately; opponent must cooperate with inaccurate moves
Typical pawn structure
Tactical pattern rather than structural concern
Common mistakes
Miscalculating the forcing sequence; Missing defensive resources; Sacrificing without proper calculation
History
Named after French master Sire de Légal who executed it in the 18th century. Used historically to demonstrate the power of development and piece coordination over material considerations.
Famous games
Sire de Légal games demonstrating the pattern