ECO C40

Latvian Gambit: Mason Countergambit

Latvian Gambit: Mason Countergambit is a chess opening classified under ECO C40. Its defining line here is 1. e4 e5 2. Nf3 f5 3. d4.

Latvian Gambit: Mason Countergambit — board position♜♞♝♛♚♝♞♜♟♟♟♟♟♟♟♟♟♟♞♟♟♟♟♟♟♜♞♝♛♚♝♜

1. e4 e5 2. Nf3 f5 3. d4

Explore this opening ▸Add to my repertoireOpen in analysis

The diagram shows the position after 1. e4 e5 2. Nf3 f5 3. d4. Play through it move by move in the interactive explorer.

Opening name, ECO code, and main line come from the Lichess open chess openings dataset.

Part of