A40–B27 Flank openings
Pterodactyl Defense
Pterodactyl Defense belongs to the flank openings family and has 34 catalogued lines.
Best for
Start with the main line, then add the variations that appear in your own games.
Study map
Start with one line, then add nearby branches.
0 started · 0 mastered
01Pterodactyl Defense: Queen Pterodactyl, Quiet LineA40 · 4 movesnew02Pterodactyl Defense: Eastern, AnhangueraB06 · 4 movesnew03Pterodactyl Defense: Austrian, Austriadactylus WesternB06 · 4 movesnew04Pterodactyl Defense: Central, Benoni PterodactylA40 · 4 movesnew05Pterodactyl Defense: Fianchetto, King PterodactylB06 · 4 movesnew
Browse all 34 lines
Open the catalogue only when you need a specific branch.
Eastern7 lines
Sicilian7 lines
Central6 lines
Fianchetto5 lines
Western4 lines
Austrian3 lines
Main line1 lines
Queen Pterodactyl1 lines
Mix the variations
Practice changing book replies after you know at least 2 lines.
Your progress for Pterodactyl Defense stays on this device.