Jason's Devoted Page of Chess 
Legal's Mate
Fig. 1 (click)
Fig. 2 (click)
1. e2-e4 e7e5
2. Ng1-f3 d7-d6
3. Bf1-c4      Bc8-g4
4. Nb1-c3 g7-g6
5.      Nf3 Nf3 takes e5
bait is set!!

5. <fig1>        Bg4 takes d1
6. Bc4 takes f7        Ke8-e7
7. Nc3-d5            Mate
Legal's Mate is a CheckMating strategy  originated in the mid 1700's by a man titled, Sire de Legal.
This stategy involves a queen sacrafice, which in turn can lead to a devasting lose if not played correctly.  Certain board placement is a must to acheive the eye popping Legal's mate.