Stafford gambit

Etymology
Named after Joseph C. Stafford who famously won a correspondence game with this opening in 1950.

Noun

 * 1) A chess opening deriving from the Petrov Defence (1. e4 e5 2. Nf3 Nf6) after which black gives up its king's pawn and plays the queen's knight to the C file (3. Nxe5 Nc6), especially when followed by (4. Nxc6 dxc6).