Sicilian Rossolimo icon

Chess Opening · B30

Sicilian Rossolimo

For sub-1000 ELO players

The Sicilian Rossolimo (ECO B30) is a positional weapon where White pins Black's c6 knight with Bb5 instead of entering the main Sicilian lines. Stockfish 17 at depth 25 gives White a slight edge in the Rossolimo Variation, and sub-1000 players often mishandle the resulting pawn structures after the bishop trades on c6.

The Best Response

Moves to Play

White · Black alternating

1. e4 c5
2. Nf3 Nc6
3. Bb5

White avoids the complex Open Sicilian by playing Bb5 on move 3, pinning the knight and threatening to double Black's pawns. Black must decide how to handle the pin. The resulting positions are more strategic than tactical, which often catches aggressive sub-1000 players off guard.

Who Stands Better

Computer score
+0.4

(slight advantage for White)

In plain terms+0.4 for White with correct play

Copy these moves:

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. d3

3 Mistakes Sub-1000 Players Make

These are the patterns we see in games below 1000 ELO. Fix these and you'll stop losing to this opening.

Playing a6 Immediately

Sub-1000 players reflexively play ...a6 to chase the bishop, but this actually invites White to capture on c6 and saddle Black with doubled pawns. Without understanding the pawn structure, Black struggles in the resulting endgames.

Best reply: d5
Why it happens: Assuming that chasing the bishop is always good without considering that the capture on c6 doubles the pawns permanently

Ignoring the Pin on c6

Beginners develop other pieces while the knight is pinned on c6, failing to address the pressure. If the king has not castled, the capture comes with check and doubles the pawns in a worse way.

Best reply: e5
Why it happens: Treating the Bb5 as a harmless bishop and not realizing it controls whether the c6 knight can move freely

Playing e5 Too Early

Sub-1000 players push ...e5 to grab central space, but this creates a permanent hole on d5 that White can exploit. The d5 square becomes an outpost for a White knight or bishop.

Best reply: c4
Why it happens: Focusing on central space without noticing that the d5 square becomes permanently weak after ...e5 and dxc6

Why This Opening Trips You Up

The Core Problem

Sub-1000 players lose in the Rossolimo because they expect a wild Sicilian and instead get a quiet positional game. The doubled pawns after Bxc6 look harmless but create long-term weaknesses that beginners do not know how to handle.

Before Your Next Game

Do not be afraid of the doubled pawns. They give you the bishop pair and open files. The key is knowing how to use them, not avoiding them.

What to Study

Learn the typical structure after Bxc6 dxc6 d3 and practice playing both sides. Focus on understanding when the doubled pawns are a weakness versus when they provide active play.

Engine-verified by Stockfish 17 at depth 25. Reviewed by Jon Stenstrom, Chess.com 759 Daily, Founder, 1000elo.com.

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