Pterodactyl Defense
The Pterodactyl Defense (ECO A40–B27) is a chess opening that begins 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qa5+ 5. Nc3 d6.
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The main line
The Pterodactyl Defense is reached by 1. Nf3 c5 2. c4 g6 3. d4 Bg7 4. e4 Qa5+ 5. Nc3 d6 (ECO A42). It's one of 34 named lines under this opening in the book.
Named variations (7)
- Eastern —
1. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d5(B06) - Sicilian —
1. e4 c5 2. Nf3 g6 3. d4 Bg7 4. Nc3 Qa5 5. d5(B27) - Central —
1. d4 g6 2. c4 Bg7 3. e4 c5 4. d5 Qa5+(A40) - Fianchetto —
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Qa5(A40) - Western —
1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. d4 Qa5(B27) - Austrian —
1. e4 g6 2. d4 Bg7 3. f4 c5 4. c3 Qa5(B06) - Queen Pterodactyl —
1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3(A40)
Analyze the Pterodactyl Defense
Play through this opening on the free analysis board, or review one of your own gamesto see how accurately you handled it — every move classified, with the engine's best line on each mistake.
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