Queen's Pawn Game: London System, Pterodactyl Variation
1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+
The Queen's Pawn Game: London System, Pterodactyl Variation is a chess opening classified as ECO D02, reached after 1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+. It is a line of the Queen's Pawn Game. White is to move.
This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.
Engine evaluation: +0.53 (Stockfish, depth 38; best line 6. Bd2 Qd8 7. e4 Nf6 8. Bd3 d5)
- ECO
- D02
- Moves
- 10 plies
- FEN
rnb1k1nr/pp1pppbp/6p1/q7/3P1B2/5N2/PP2PPPP/RN1QKB1R w KQkq - 1 6- PGN
1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Comes from
Queen's Pawn Game: Modern Defense 1. d4 g6
More Queen's Pawn Game lines (all)
- Queen's Pawn Game (1. d4) A40
- Queen's Pawn Game: Anglo-Slav Opening A40
- Queen's Pawn Game (1. d4 d6) A41
- Queen's Pawn Game: Rossolimo Variation A41
- Queen's Pawn Game: Liedmann Gambit A43
- Queen's Pawn Game: Chigorin Variation (2. Nc3 d5) A45
- Queen's Pawn Game: Veresov, Richter Attack A45
- Queen's Pawn Game: Torre Attack, Breyer Variation A46
- Queen's Pawn Game: Veresov Attack, Classical Defense A46
- Queen's Pawn Game: Barry Attack (3… d5 4. Bf4) A48
- Queen's Pawn Game: Barry Attack (4. Bf4 Bg7) A48
- Queen's Pawn Game: Barry Attack, Grünfeld Variation A48
Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.