D02 · Queen's Pawn Game

Queen's Pawn Game: London System, Pterodactyl Variation

1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+
♜♞♝♚♞♜♟♟♟♟♟♝♟♟♛♟♝♞♟♟♟♟♟♟♜♞♛♚♝♜
The position after 1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+, White to move.

In the Queen's Pawn Game: London System, Pterodactyl Variation, aim to understand the plans and pawn structures, not just memorize the first moves.

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The Queen's Pawn Game: London System, Pterodactyl Variation is a chess opening classified under ECO code D02. It is reached after the moves 1. d4 g6 2. Nf3 Bg7 3. Bf4 c5 4. c3 cxd4 5. cxd4 Qa5+: 10 moves in, with White to play.

It belongs to the Queen's Pawn Game family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

Club players rarely lose the Queen's Pawn Game: London System, Pterodactyl Variation in the opening itself. They lose it a few moves later, when the plan behind the moves runs out: that is what reading your own games in this line shows you.

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