Pterodactyl Defense: Sicilian, Quetzalcoatlus
1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be2 d6
6. d5+0.78
White is slightly better. Stockfish 18, depth 18.
Analyze this positionIn the Pterodactyl Defense: Sicilian, Quetzalcoatlus (B06), reached after 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be2 d6, Stockfish 18 recommends 6. d5 for White. White is slightly better (+0.78).
Top engine moves
- +0.786. d5 Bxc3+ 7. bxc3 Bg4 8. Qd3 Nd7 9. O-O Ngf6 10. a4 Bxf3
- +0.606. O-O cxd4 7. Nxd4 Nf6 8. Nb3 Qd8 9. Bg5 O-O 10. f4 Nc6
- +0.526. Be3 Nf6 7. O-O cxd4 8. Nxd4 O-O 9. a4 Bd7 10. Nb3 Qc7
Frequently asked questions
What is the best move in the Pterodactyl Defense: Sicilian, Quetzalcoatlus?
After 1. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Nf3 Qa5 5. Be2 d6, Stockfish 18 at depth 18 recommends 6. d5 for White, continuing Bxc3+ 7. bxc3 Bg4 8. Qd3 Nd7 9. O-O Ngf6 10. a4 Bxf3. White is slightly better (+0.78). The next best moves are 6. O-O (+0.60) and 6. Be3 (+0.52).
Is the Pterodactyl Defense: Sicilian, Quetzalcoatlus a good opening?
Stockfish rates the position at +0.78: white is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Pterodactyl Defense: Sicilian, Quetzalcoatlus?
B06. ECO codes classify chess openings from A00 to E99; B is the volume for semi-open games (other than the French).
Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).