Library/Openings/Sicilian Defense/O'Kelly Variation/Venice System/Steiner Line ECO B28
Opening· 6 plies

Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line

An entry in the Encyclopedia of Chess Openings (ECO B28), reached after 6 half-moves: 1. e4 c5 2. Nf3 a6 3. c3 d6.

Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line ECO B28
87654321
abcdefgh
Black rook
Black knight
Black bishop
Black queen
Black king
Black bishop
Black knight
Black rook
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
Black pawn
White pawn
White pawn
White knight
White pawn
White pawn
White pawn
White pawn
White pawn
White pawn
White rook
White knight
White bishop
White queen
White king
White bishop
White rook
6/6
  1. 1.
  3. 2.
  5. 3.
Use ← → arrows or click moves to step through.

End of this line

No further variations branch from this position in our database. To explore neighbouring ideas:

About this opening

Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line is an opening in the Encyclopedia of Chess Openings, classified under code B28. 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. Nf3 a6 3. c3 d6.

It belongs to the Sicilian Defense family. Within that family this is a level-3 branch (the O'Kelly Variation → Venice System → Steiner Line line). The immediate parent line is Sicilian Defense: O'Kelly Variation, Venice System, transitioned via 3…d6.

The opening sequence in prose form: 1.e4 c5, 2.Nf3 a6, 3.c3 d6. From this position the encyclopaedia records no further canonical continuations — practical play branches into unnamed transpositions or returns to the parent line for alternative ideas.