Tree path 3 levels Queen's Pawn Game › Modern Defense › Modern Defense: Lizard Defense, Pirc-Diemer Gambit
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A40

Modern Defense: Lizard Defense, Pirc-Diemer Gambit

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Overview

Modern Defense: Lizard Defense, Pirc-Diemer Gambit is a sacrificial opening line filed under ECO A40 in the Flank Openings group. The defining idea is the early concession of material to seize the initiative and unbalance the position.

The Flank Openings group covers flank openings — systems that delay the central pawn break and instead develop pieces and pawns on the wings.

The line arises from 5 plies — specifically the moves 1. d4 g6 2. h4 Nf6 3. h5.

In the opening tree, this line branches off from Queen's Pawn Game: Modern Defense, part of the broader Queen's Pawn Game system.

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
A40
Group
Flank Openings (A)
Plies
5
Parent
Queen's Pawn Game: Modern Defense

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

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