ECO C20

King's Pawn Game: Clam Variation, King's Gambit Reversed

King's Pawn Game: Clam Variation, King's Gambit Reversed is a chess opening classified under ECO C20. Its defining line here is 1. e4 e5 2. d3 f5.

King's Pawn Game: Clam Variation, King's Gambit Reversed — board position

1. e4 e5 2. d3 f5

The diagram shows the position after 1. e4 e5 2. d3 f5. 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.