D02

Queen's Pawn Game: London System, Pterodactyl Variation

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Overview

Queen's Pawn Game: London System, Pterodactyl Variation is a chess opening at the root of the Closed & Semi-Closed Games family, classified under ECO code D02.

The Closed & Semi-Closed Games group covers closed and semi-closed games — 1.d4 systems characterised by long strategic manoeuvring rather than early tactics.

Play reaches this position via 1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+, after 10 plies of opening development.

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: D02
Group: Closed & Semi-Closed Games (D)
Plies: 10

This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.

Statistics from Lichess

1,302 games · White 53.5% / Draw 5.1% / Black 41.4%

Moves	Games	W / D / B
Nc3	774
Nbd2	294
Qd2	184
Bd2	50

Source: Lichess Opening Explorer · cached 2026-09-26 02:20:11

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