Pterodactyl Defense
ECO: A42Flank Openings1.Nf3 c5 2.c4 g6 3.d4 Bg7 4.e4 Qa5+ 5.Nc3 d6
no master games reached this exact line · estimated data
How it's played
Start
1.2.3.4.5.
About the Pterodactyl Defense
The Pterodactyl Defense is catalogued under ECO code A42, in the Flank Openings section of the Encyclopaedia of Chess Openings.
It arises after 1.Nf3 c5 2.c4 g6 3.d4 Bg7 4.e4 Qa5+ 5.Nc3 d6, with Black playing the move that gives the line its name.
The Pterodactyl Defense has 33 named lines in our opening book; the ones closest to this position are listed below.
Other lines of the Pterodactyl Defense
- Pterodactyl Defense: Eastern, AnhangueraB06 · 1.e4 g6 2.d4 Bg7 3.Nc3 c5 4.Be3
- Pterodactyl Defense: Eastern, BenoniB06 · 1.d4 g6 2.e4 Bg7 3.Nc3 c5 4.d5
- Pterodactyl Defense: Queen Pterodactyl, Quiet LineA40 · 1.d4 g6 2.c4 Bg7 3.Nc3 c5 4.e3
- Pterodactyl Defense: Austrian, Austriadactylus WesternB06 · 1.e4 g6 2.d4 Bg7 3.f4 c5 4.Nf3 Qa5+
- Pterodactyl Defense: Austrian, Grand Prix PterodactylB06 · 1.e4 g6 2.Nc3 Bg7 3.f4 c5 4.Nf3 Qa5
- Pterodactyl Defense: Austrian, PteranodonB06 · 1.e4 g6 2.d4 Bg7 3.f4 c5 4.c3 Qa5
- Pterodactyl Defense: Central, Benoni PterodactylA40 · 1.d4 g6 2.c4 Bg7 3.e4 c5 4.d5 Qa5+
- Pterodactyl Defense: Eastern, Benoni PterodactylB06 · 1.d4 g6 2.Nc3 Bg7 3.e4 c5 4.d5 Qa5