Sicilian Defense: Old Sicilian

Chess opening · ECO B30 · 4 half-moves

1. e4 c5 2. Nf3 Nc6

The Sicilian Defense: Old Sicilian is reached after 1. e4 c5 2. Nf3 Nc6. It is White's move in the position shown.

It branches from the Sicilian Defense with 2. Nf3 Nc6.

How often it is played

The Sicilian Defense: Old Sicilian and its variations appeared in 2.1% of games — 62,759 of 3,000,000 rated games sampled from Lichess in September 2026. That makes it number 21 of the openings listed here.

Results

White won 49%, 4.0% were drawn and Black won 47%. These are games between players of every strength and time control, so they say how the opening does in practice rather than how sound it is.

What the engine thinks

Stockfish, at depth 18, evaluates the position at +0.43 — a small edge for White. Positive numbers favour White; see reading the evaluation bar.

Similar openings

The most-played alternatives — what else could have been chosen around the move where this opening begins.

OpeningMovesShare of games
Sicilian Defense: French Variation1. e4 c5 2. Nf3 e61.3%
Sicilian Defense: Modern Variations1. e4 c5 2. Nf3 d61.2%
Sicilian Defense: Closed1. e4 c5 2. Nc30.99%

Main continuations

VariationMovesShare of games
Sicilian Defense: Open1. e4 c5 2. Nf3 Nc6 3. d40.94%
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack1. e4 c5 2. Nf3 Nc6 3. Bb50.27%
Sicilian Defense: Portsmouth Gambit1. e4 c5 2. Nf3 Nc6 3. b40.02%
Sicilian Defense: Closed, Anti-Sveshnikov Variation1. e4 c5 2. Nf3 Nc6 3. Nc3 e50.01%

Check your own games

Paste a game, or share one straight from lichess or chess.com, and Chess Analyzer names the opening, marks where the game left known theory and grades every move after it.

Open the analyzer