ECO B27

Pterodactyl Defense: Western, Rhamphorhynchus

Pterodactyl Defense: Western, Rhamphorhynchus is a chess opening classified under ECO B27. Its defining line here is 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+.

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

1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+

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The diagram shows the position after 1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+. 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.