Chessy
Facing the Sicilian Bowdler Attack: a6 as White
The Bowdler Attack (2.Bc4) is a tricky, offbeat way to meet the Sicilian. After 1.e4 c5 2.Bc4 a6 3.Nf3, you've reached a position that Stockfish rates at +0.02 — dead level, with neither side better out of the opening. On the surface Black's last move looks like a harmless waiting move, but the statistics across nearly a million games tell a different story: Black actually scores 51.0%, compared to your 45.7% as White. This page will show you how to navigate this position, punish Black's most common errors, and steer the game toward a comfortable middlegame.
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With 2.Bc4 you've aimed your bishop at Black's f7 square — the classic 'fried liver' threat. Black's 2...a6 doesn't defend f7 directly; it prepares ...b5, chasing your bishop and gaining space on the queenside. At the same time, Black hasn't yet committed a central pawn (no ...d6 or ...e6) or developed a knight. Your job after 3.Nf3 is to keep control of the centre and complete your development, ready to meet whatever Black tries. The engine's verdict of +0.02 confirms the position is balanced, but your practical chances are solid if you understand Black's main plans and how to counter them.
The Engine's Top Move and Your Plan
Stockfish recommends that Black play 3...e6. After 4.0-0 d5 5.exd5, Black has created a pawn duo in the centre, but White has simplified the structure and can continue developing. This line leads to open, playable positions where your lead in development matters. As White, you should be happy to get your king to safety and follow up with natural moves like d4, Nc3, and Re1 — typical Sicilian-style play with an extra tempo compared to many main lines. The key: don't panic when Black challenges your bishop. If Black plays ...b5, simply retreat the bishop to b3 or d3 rather than grabbing a poisoned pawn.
The Statistics — What Most Players Do
From 903,912 games at this position, here is what Black plays most often and how White scores against each reply: - 3...e6 (446,567 games): White wins 44.4% — the most common and best move for Black. - 3...b5 (183,136 games): White wins 47.5% — a natural but slightly dubious attempt to gain space. - 3...Nc6 (160,849 games): White wins 45.7% — a solid developing move. - 3...d6 (63,770 games): White wins 46.2% — the Old Sicilian approach. - 3...h6 (16,823 games): White wins 50.6% — surprisingly the best White score, but a serious blunder in engine terms. - 3...Nf6 (11,059 games): White wins 49.5%. The takeaway: facing ...e6 is by far your most frequent task, and it gives Black their best results. Against ...b5, your winning chances actually improve slightly.
Punish the Mistake: 3...h6
The one clear error in this position is 3...h6. According to the engine, this loses roughly 4.8 pawns — a blunder. Why? Black wastes a tempo on a move that doesn't develop or defend the centre. Your best reaction is not to immediately check on b5 or grab material frantically, but to continue with natural development (d4 or 0-0), reinforcing your central control. Black has weakened the kingside dark squares and fallen a full move behind in development. While h6 appears only 16,823 times in the database (out of nearly 904,000 games), knowing it's a serious mistake means you can capitalise if your opponent tries it. Your winning percentage against it (50.6%) is your highest of any Black reply.
Results across 903,912 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| e6 | 446,567 | 44.4% |
| b5 | 183,136 | 47.5% |
| Nc6 | 160,849 | 45.7% |
| d6 | 63,770 | 46.2% |
| h6 | 16,823 | 50.6% |
| Nf6 | 11,059 | 49.5% |
Frequently asked questions
Is the Bowdler Attack a good opening for White?
The Bowdler Attack (2.Bc4) scores reasonably well at club level, but objectively it is only equal. Stockfish rates the position after 3.Nf3 at +0.02, meaning no advantage for either side. White wins 45.7% of games, while Black wins 51.0% — so you must play accurately to avoid drifting into a worse position.
What should I do if Black plays 3...b5?
After 3...b5, don't try to hold the bishop — retreat it to b3 or d3. Black has gained queenside space but weakened the c5 pawn and fallen behind in development. White's statistics are better here (47.5% wins) than against the main line 3...e6. Continue with d4 or 0-0 and build a strong centre.
Why is 3...h6 a blunder in this line?
The move 3...h6 loses roughly 4.8 pawns in engine evaluation because it wastes a tempo without developing or defending the centre. Black's king is not under immediate threat, but the move creates a long-term weakness on the kingside dark squares and gives White a free developing move. Your winning chances jump to 50.6% against this reply.
What is the engine's best continuation after 3.Nf3?
Stockfish's top line for Black is 3...e6, followed by 4.0-0 d5 5.exd5. This leads to an open centre with roughly equal chances. As White, you should castle, develop your pieces naturally, and aim for a slight initiative due to your lead in development.
How many games feature the Sicilian Defense: Bowdler Attack: a6?
Over 903K Lichess games have reached the Sicilian Defense: Bowdler Attack: a6 position. White wins 45.7%, Black wins 51.0%, with 3.3% draws — based on real rated games.