Tree path 3 levels Zukertort Opening › Kingside Fianchetto › Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted
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  2. Zukertort Opening A04
  3. Kingside Fianchetto A04
  4. Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted A04 you are here
A04

Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted

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Overview

Modern Defense: Semi-Averbakh Variation, Pterodactyl Variation Accepted is a variation within the Flank Openings family, indexed as ECO A04.

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 10 plies — specifically the moves 1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. c4 c5 5. dxc5 Qa5+.

It is a variation of Zukertort Opening: Kingside Fianchetto, which itself descends from the root opening Zukertort Opening.

Step through the moves on the interactive board below, review the live Lichess statistics, or play this position against Stockfish at one of six difficulty levels.

ECO code
A04
Group
Flank Openings (A)
Plies
10
Parent
Zukertort Opening: Kingside Fianchetto

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

6,753 games · White 46.7% / Draw 5.5% / Black 47.8%

MovesGamesW / D / B
Bd23,912
Nc31,821
Qd2612
Nbd2282
Nfd2123
b42
Ke21

Source: Lichess Opening Explorer · cached 2026-09-26 00:35:09

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