Library/Openings/Sicilian Defense/Alapin Variation/Stoltz Attack ECO B22
Opening· 11 plies

Sicilian Defense: Alapin Variation, Stoltz Attack

An entry in the Encyclopedia of Chess Openings (ECO B22), reached after 11 half-moves: 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3.

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

Sicilian Defense: Alapin Variation, Stoltz Attack 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 11 half-moves from the starting position, with the move sequence 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb3.

It belongs to the Sicilian Defense family. Within that family this is a level-2 branch (the Alapin Variation → Stoltz Attack line). The immediate parent line is Sicilian Defense: Alapin Variation, transitioned via 6.Bb3.

The opening sequence in prose form: 1.e4 c5, 2.c3 Nf6, 3.e5 Nd5, 4.Nf3 Nc6, 5.Bc4 Nb6, 6.Bb3. From this position exactly one named continuation is recorded in the encyclopaedia.