Tree path 3 levels King's Pawn Game › Sicilian Defense › Myers Attack, with a4
B20

Sicilian Defense: Myers Attack, with a4

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Overview

Sicilian Defense: Myers Attack, with a4 is a named branch in the Semi-Open Games group of chess theory, classified under ECO B20.

The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.

The line arises from 3 plies — specifically the moves 1. e4 c5 2. a4.

In the opening tree, this line branches off from Sicilian Defense, part of the broader King'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
B20
Group
Semi-Open Games (B)
Plies
3
Parent
Sicilian Defense

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

109,039 games · White 44.1% / Draw 4.3% / Black 51.6%

MovesGamesW / D / B
Nc647,682
d621,677
e617,104
g66,925
a64,395
d53,788
e52,529
Nf61,902

Source: Lichess Opening Explorer · cached 2026-09-26 00:53:06

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