Pterodactyl Defense: Eastern, Benoni Pterodactyl
Overview
Pterodactyl Defense: Eastern, Benoni Pterodactyl is a chess opening at the root of the Semi-Open Games family, classified under ECO code B06.
The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.
It is reached after 8 plies of play, with the move sequence 1. d4 g6 2. Nc3 Bg7 3. e4 c5 4. d5 Qa5.
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
- B06
- Group
- Semi-Open Games (B)
- Plies
- 8
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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| Moves | Games | W / D / B |
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Source: Lichess Opening Explorer · cached
Description
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