Tree path 3 levels Queen's Pawn Game › Modern Defense › Modern Defense: Beefeater Variation
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A40

Modern Defense: Beefeater Variation

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Overview

Modern Defense: Beefeater Variation is a variation within the Flank Openings family, indexed as ECO A40.

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

It is reached after 10 plies of play, with the move sequence 1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f5.

It is a variation of Queen's Pawn Game: Modern Defense, which itself descends from the root opening Queen's Pawn Game.

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
A40
Group
Flank Openings (A)
Plies
10
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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