Exact catalogue record
Modern Defense: Modern PterodactylB06
Modern Defense: Modern Pterodactyl is the source catalogue’s name for the exact position reached by the move order below. It is filed under ECO B06, in volume B (semi-open games, especially Sicilian, Caro-Kann, Pirc, Alekhine, and related systems).
On this page
- ECO code
- B06
- Opening family
- Modern Defense
- Recorded half-moves
- 6
- Last numbered move
- 3
- Side to move
- White
- Castling rights
- White kingside, White queenside, Black kingside, Black queenside
- Material
- Material is level
- FEN
- rnbqk1nr/pp1pppbp/6p1/2p5/3PP3/2N5/PPP2PPP/R1BQKBNR w KQkq - 0 4
Scope of this record
This page preserves a source name, one exact legal move sequence and its resulting FEN. It does not claim that the sequence is best, common or strategically self-contained. Opening names can cover several move orders; the links below report only parent, continuation and family relationships present in this catalogue.
Open in analysis board Add this line to repertoire
Comes from
Main continuations
- Pterodactyl Defense: Eastern, Anhanguera (B06)
- Pterodactyl Defense: Eastern, Rhamphorhynchus (B06)
- Pterodactyl Defense: Sicilian, Siroccopteryx (B06)
- Pterodactyl Defense: Eastern, Benoni Pteranodon (B06)
- Pterodactyl Defense: Sicilian, Quetzalcoatlus (B06)
Other records under Modern Defense
These records share the source catalogue’s family label; that relationship alone does not imply the same plans or resulting position.
- Modern Defense: Semi-Averbakh Variation, Polish Variation (A04)
- Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation (A04)
- Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted (A04)
- Modern Defense: Beefeater Variation (A40)
- Modern Defense: Lizard Defense, Pirc-Diemer Gambit (A40)
- Modern Defense (A41)
- Modern Defense: Neo-Modern Defense (A41)
- Modern Defense: Averbakh System (A42)
Save or reproduce the line
The repertoire link transfers this exact legal sequence into a draft; choose whether you play White or Black before saving it locally. The analysis link reproduces the recorded FEN. New to SAN notation? See how to read chess moves.