LibreChessChess, explained simply

Exact catalogue record

Queen's Pawn Game: London System, Pterodactyl VariationD02

Queen's Pawn Game: London System, Pterodactyl Variation is the source catalogue’s name for the exact position reached by the move order below. It is filed under ECO D02, in volume D (closed and semi-closed queen-pawn openings).

On this page
  1. Scope of this record
  2. Comes from
  3. Other records under Queen's Pawn Game
  4. Save or reproduce the line
1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+
♜♞♝♚♞♜♟♟♟♟♟♝♟♟♛♟♝♞♟♟♟♟♟♟♜♞♛♚♝♜
Position after 1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+ — Queen's Pawn Game: London System, Pterodactyl Variation
ECO code
D02
Opening family
Queen's Pawn Game
Recorded half-moves
10
Last numbered move
5
Side to move
White
Castling rights
White kingside, White queenside, Black kingside, Black queenside
Material
Material is level
FEN
rnb1k1nr/pp1pppbp/6p1/q7/3P1B2/5N2/PP2PPPP/RN1QKB1R w KQkq - 1 6

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 Queen's Pawn Game

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.