Tree path 3 levels Queen's Pawn Game › Modern Defense › Pterodactyl Defense: Queen Pterodactyl, Quiet Line
- Chess Codex
- Queen's Pawn Game A40
- Modern Defense A40
- Pterodactyl Defense: Queen Pterodactyl, Quiet Line A40 you are here
Pterodactyl Defense: Queen Pterodactyl, Quiet Line
Overview
Pterodactyl Defense: Queen Pterodactyl, Quiet Line is a named branch in the Flank Openings group of chess theory, classified under ECO A40.
The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.
Play reaches this position via 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e3, after 7 plies of opening development.
In the opening tree, this line branches off from Queen's Pawn Game: Modern Defense, part of the broader Queen's Pawn Game system.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- A40
- Group
- Flank Openings (A)
- Plies
- 7
This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.
Statistics from Lichess
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Source: Lichess Opening Explorer · cached
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