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Sicilian Defense: Nyezhmetdinov-Rossolimo Attack – Facing 3...Nf6
You've played 1.e4 c5 2.Nf3 Nc6 3.Bb5, and Black has answered with 3...Nf6 — immediately challenging your bishop and developing with tempo. This is the Nyezhmetdinov-Rossolimo Attack: Nf6 line, and you've met it with the powerful 4.Nc3. The engine gives you a +0.42 advantage, and across over a quarter-million games, you're outscoring Black 49.1% to 46.8%. But you need precise follow-up to keep that edge. The drill below will sharpen your instincts — play the position against the engine and see how you handle Black's best replies.
Play the Sicilian Defense: Nyezhmetdinov-Rossolimo Attack: Nf6 against the engine
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Create a free account →The Fight for the Centre
After 1.e4 c5 2.Nf3 Nc6 3.Bb5 Nf6 4.Nc3, Black has several ways to untangle. Your bishop on b5 pressures the knight on c6, while your knights on f3 and c3 control key central squares. The most common reply you'll face is a6 (57,667 games), asking what your bishop will do. But the engine's top choice for Black is actually Qc7 — a flexible move that prepares to kick the bishop with a6 or expand in the centre with e5. Your task is to keep the tension: castling kingside and preparing central breaks like d4 is the typical plan.
Black's Most Common Replies (and What They Mean)
Here are the moves you'll see most often, sorted by how often they're played, along with the stats from the Lichess database (266,204 games total):- a6 (57,667 games) — Your opponent kicks the bishop. White scores 49.7%. Just retreat to a4 (or trade on c6) and develop.- e6 (53,659 games) — Solid but a known mistake. White scores 49.0%, but the engine says this is an inaccuracy worth about -0.6 pawns. Your best reply keeps the pressure on.- d6 (41,478 games) — Classical development. White scores 48.0% — close, but you're still fine.- g6 (32,219 games) — Fianchetto setup. White scores 47.3%, so Black does a little better here.- Nd4 (24,726 games) — Imaginative but White scores 45.4%, so Black struggles here. Watch for tactics around the d4-knight.- e5 (22,280 games) — A direct centre challenge, and White scores a strong 54.3%. You can often respond with Nd5.
Punishing the Inaccuracy 4...e6
The statistics show that 4...e6 is Black's second-most popular move, played over 53,000 times. The engine flags it as an inaccuracy — Black would have done better with the engine's top choice, Qc7, instead. Why is e6 suspect? By playing e6, Black blocks in their light-squared bishop on c8 and weakens the d6-square. After the engine's recommended continuation — 5.O-O followed by ideas like d4 and Nd5 — you can generate sharp pressure. If you see 4...e6 in the drill, remember: it's a small gift from your opponent. Don't rush — castle first, then strike in the centre.
Tactical Alert: The Nd4 Reply
When Black plays 4...Nd4, they're hoping to disrupt your coordination by threatening your bishop and possibly your knight. This move appears in 24,726 games, and Black's results drop to 45.4% — one of their worst scores here. As White, you can often trade on d4, then recapture with a piece (your queen or bishop) to maintain the initiative. The key is not to panic: 4...Nd4 is a tactical bluff that you can punish with calm development. Trust your plus-evaluation and keep your pieces active.
Results across 266,204 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| a6 | 57,667 | 49.7% |
| e6 | 53,659 | 49.0% |
| d6 | 41,478 | 48.0% |
| g6 | 32,219 | 47.3% |
| Nd4 | 24,726 | 45.4% |
| e5 | 22,280 | 54.3% |
Frequently asked questions
Is the Nyezhmetdinov-Rossolimo Attack good for White?
Yes, after 1.e4 c5 2.Nf3 Nc6 3.Bb5 Nf6 4.Nc3, Stockfish gives +0.42 — a clear edge for White. In practice, White wins 49.1% of games from this position, compared to 46.8% for Black, with only 4.1% draws. You have a small but real advantage to work with.
What is the best move for Black after 4.Nc3?
The engine recommends **Qc7** as Black's top choice. It prepares to kick your bishop with a6 while keeping flexible central options. The most-played move is a6, but the engine says Qc7 gives Black better chances to equalise.
Is 4...e6 a mistake for Black?
It's not a blunder, but the engine calls 4...e6 an inaccuracy worth about -0.6 pawns. Black's better option was Qc7. By playing e6, Black blocks their light-squared bishop and weakens the d6-square, giving White extra opportunities to build pressure.
How should White handle 4...a6?
The move a6 is very common (57,667 games). You have a couple of good replies: retreat your bishop to a4, keeping the pin on the knight, or trade on c6 with Bxc6. In either case, continue with castling and central play — your +0.42 advantage remains intact.