Exact catalogue record
Colle System: Pterodactyl VariationA40
Colle System: Pterodactyl Variation is the source catalogue’s name for the exact position reached by the move order below. It is filed under ECO A40, in volume A (flank openings, irregular first moves, and many English/Reti structures).
On this page
- ECO code
- A40
- Opening family
- Colle System
- Recorded half-moves
- 8
- Last numbered move
- 4
- Side to move
- White
- Castling rights
- White kingside, White queenside, Black kingside, Black queenside
- Material
- Material is level
- FEN
- rnb1k1nr/pp1pppbp/6p1/q1p5/3P4/3BPN2/PPP2PPP/RNBQK2R w KQkq - 2 5
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
Other records under Colle System
These records share the source catalogue’s family label; that relationship alone does not imply the same plans or resulting position.
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.