Chess Board
[ECO code C41]
PHILIDOR'S DEFENCE
Variation - Legall's Mate
Black's King forced to K2(e7) allows White's QB3(c3) Knight to mate. Forced following the sacrifice of White's queen, based on a famous prototype game played by Legall de Kermeur in 1750. See also an example in the Vienna Gambit.
    White  Black	White  Black
 1. P-K4   P-K4	     5.	KtxP!  BxQ??
 2. Kt-KB3 P-Q3	     6.	BxP ch K-K2 fcd
 3. B-B4   P-KKt3    7.	Kt-Q5 mate
 4. Kt-B3  B-Kt5?!
Checkmate: Undo or Jump or Mates or Clear