(1) Legall's Mate [C41]

Legall was Philidor's teacher and this position arose in the game Legall-St Bre, Paris 1750.

Don't let this happen to you!

White to move

1.e4 e5 2.Nf3 d6 3.Nc3 g6 4.Bc4 Bg4? 5.Nxe5! Bxd1? 6.Bxf7+ Ke7 7.Nd5#