Pterodactyl Defense: Sicilian, Unpin

1.
1. e4
2. c5
2.
3. Nf3
4. g6
3.
5. d4
6. Bg7
4.
7. Nc3
8. Qa5
5.
9. Bd2

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The Pterodactyl Defense: Sicilian, Unpin is a chess opening classified under ECO code B27 (Semi-Open games). It is a variation of the Pterodactyl Defense family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.