Library/Openings/Sicilian Defense/Alapin Variation/Barmen Defense ECO B22
Opening· 6 plies

Sicilian Defense: Alapin Variation, Barmen Defense

An entry in the Encyclopedia of Chess Openings (ECO B22), reached after 6 half-moves: 1. e4 c5 2. c3 d5 3. exd5 Qxd5.

Sicilian Defense: Alapin Variation, Barmen Defense ECO B22
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Black rook
Black knight
Black bishop
Black king
Black bishop
Black knight
Black rook
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black queen
White pawn
White pawn
White pawn
White pawn
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White pawn
White pawn
White rook
White knight
White bishop
White queen
White king
White bishop
White knight
White rook
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About this opening

Sicilian Defense: Alapin Variation, Barmen Defense is an opening in the Encyclopedia of Chess Openings, classified under code B22. ECO group B (B00–B99) covers semi-open games (1.e4 with Black playing anything other than 1…e5), with the Sicilian, French, Caro-Kann and Pirc/Modern at its heart. This particular variation is reached after 6 half-moves from the starting position, with the move sequence 1. e4 c5 2. c3 d5 3. exd5 Qxd5.

It belongs to the Sicilian Defense family. Within that family this is a level-2 branch (the Alapin Variation → Barmen Defense line). The immediate parent line is Sicilian Defense: Alapin Variation, transitioned via 3…Qxd5.

The opening sequence in prose form: 1.e4 c5, 2.c3 d5, 3.exd5 Qxd5. From this position exactly one named continuation is recorded in the encyclopaedia.