Opening Overview

Sicilian Defense

381 lines
black repertoire

About This Opening

Black answers 1.e4 asymmetrically and aims for dynamic counterplay on the queenside and center.

The opening's main value is its characteristic move order, which helps steer the game toward familiar structures and plans.

When studying it, focus on the first forcing decisions, the main branching points, and the kind of middlegames the opening is designed to reach.

Key ideas
  • Typical theme: recognize the key move order early.
  • Learn the first critical branching decisions.
  • Best for players who want a repeatable repertoire line.
  • Understand the resulting pawn structure and piece placement.

Choose a variation

Sicilian Defense: O'Kelly Variation, Réti System
B28 5 plies
1. e4 c5 2. Nf3 a6 3. g3
Sicilian Defense: O'Kelly Variation, Venice System
B28 5 plies
1. e4 c5 2. Nf3 a6 3. c3
Sicilian Defense: O'Kelly Variation, Venice System, Barcza Line
B28 6 plies
1. e4 c5 2. Nf3 a6 3. c3 Nf6
Sicilian Defense: O'Kelly Variation, Venice System, Gambit Line
B28 8 plies
1. e4 c5 2. Nf3 a6 3. c3 d5 4. exd5 Nf6
Sicilian Defense: O'Kelly Variation, Venice System, Ljubojevic Line
B28 6 plies
1. e4 c5 2. Nf3 a6 3. c3 b5
Sicilian Defense: O'Kelly Variation, Venice System, Steiner Line
B28 6 plies
1. e4 c5 2. Nf3 a6 3. c3 d6
Sicilian Defense: O'Kelly Variation, Wing Gambit
B28 5 plies
1. e4 c5 2. Nf3 a6 3. b4
Sicilian Defense: O'Kelly Variation, Yerevan System
B28 5 plies
1. e4 c5 2. Nf3 a6 3. Nc3
Sicilian Defense: Nimzowitsch Variation
B29 4 plies
1. e4 c5 2. Nf3 Nf6
Sicilian Defense: Nimzowitsch Variation, Advance Variation
B29 5 plies
1. e4 c5 2. Nf3 Nf6 3. e5
Sicilian Defense: Nimzowitsch Variation, Closed Variation
B29 5 plies
1. e4 c5 2. Nf3 Nf6 3. Nc3
Sicilian Defense: Nimzowitsch Variation, Exchange Variation
B29 8 plies
1. e4 c5 2. Nf3 Nf6 3. e5 Nd5 4. Nc3 Nxc3
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