ECO B06

Pterodactyl Defense: Eastern, Rhamphorhynchus

Pterodactyl Defense: Eastern, Rhamphorhynchus is a chess opening classified under ECO B06. Its defining line here is 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5.

Pterodactyl Defense: Eastern, Rhamphorhynchus — board position♜♞♝♛♚♞♜♟♟♟♟♟♝♟♟♟♟♞♟♟♟♟♟♟♜♝♛♚♝♞♜

1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5

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The diagram shows the position after 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. dxc5. 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.