Sicilian Defense: Delayed Alapin Variation with e6 – d5

ECO B40 373,539 games Stockfish +0.34

You've played 1.e4 c5 2.Nf3 e6 3.c3, and now Black has struck back in the centre with 3...d5. After you capture 4.exd5, the board opens up — but which recapture should you expect, and what's your plan? This position has appeared over 373,000 times on Lichess, and while the percentages are razor-thin, Stockfish gives you a small edge worth understanding. Below you'll find the engine's top continuation, the statistics behind Black's most common replies, and the mistakes you can punish. Play the drill to practise converting this tiny plus into a full point.

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The Critical Moment: Black Recaptures on d5

After 1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5, Black has a big decision: how to recapture on d5. The database shows two main paths. The overwhelming favourite, seen in 300,250 games, is 4...exd5 — a symmetrical pawn structure where White is already slightly better thanks to the extra tempo. The alternative, 4...Qxd5 (71,577 games), brings the queen out early. Each leads to a very different kind of game, and knowing which one you're entering is half the battle. Your job as White is to press that small advantage without overreaching.

The Engine's Plan: Punish with Bb5+

Stockfish's top recommendation at depth 16 is a sharp developing move: 4...exd5 5.Bb5+. The evaluation sits at +0.34, a small edge in your favour, which means you are slightly better right from the start. The idea is simple — check the black king into a decision. After 5...Bd7 6.Bxd7+ Qxd7, you've traded your bishop for Black's, but you've also forced Black to recapture with the queen rather than a knight, leaving Black's kingside pieces still undeveloped. You've gained time and kept the initiative. This is the kind of quiet positional edge that accumulates into real pressure.

What the Statistics Reveal: Which Replies Score Best for White?

The most-played line (4...exd5) gives White a 47.8% score — nearly equal, but remember draws push the effective win rate higher. The queen recapture 4...Qxd5 drops White's score slightly to 46.5%. But the real surprises come from Black's rarer tries. When Black plays 4...Nf6 (821 games), White jumps to 51.0%. After 4...e5 (299 games), White scores a strong 60.9%. And when Black plays 4...Nc6 (240 games), White wins an impressive 72.9% of the time. Why? Because those moves ignore the best recapture and let you develop with even more freedom. The numbers clearly reward you for knowing your replies to these less accurate choices.

Three Black Mistakes You Can Exploit

Stockfish identifies three sub-optimal replies for Black that you should be ready to punish. First, 4...Nf6 is an inaccuracy that costs Black roughly 0.9 pawns compared to the best move Qxd5. Second, 4...e5 is a mistake, losing about 1.5 pawns — it blocks the centre and leaves Black's queen misplaced. Third, 4...Nc6 is a full blunder, handing you an advantage worth around 5.1 pawns. In each case, Black has chosen a developing move over the queen recapture, and you can refute it with straightforward play. The drill will help you spot these opportunities and convert them consistently.

Results across 373,539 Lichess games

47.6%
4.4%
48.0%
■ White 47.6% ■ Draw 4.4% ■ Black 48.0%
Most-played continuationGamesWhite wins
exd5300,25047.8%
Qxd571,57746.5%
Nf682151.0%
e529960.9%
Nc624072.9%
Qd68560.0%

Frequently asked questions

What is the Sicilian Delayed Alapin with e6 and d5?

It begins with 1.e4 c5 2.Nf3 e6 3.c3 d5 4.exd5. White delays the usual Alapin (2.c3) by a move, and Black challenges the centre with d5. The position after 4.exd5 is critical — Black must choose how to recapture, and each option leads to a different opening structure.

What is White's best move after 4.exd5 exd5?

Stockfish recommends 5.Bb5+. This checks the black king and forces a response. After 5...Bd7 6.Bxd7+ Qxd7, White has traded bishops but gained time, leaving Black's queen slightly exposed and Black's kingside still undeveloped. The evaluation is +0.34, a small but clear edge for White.

Is 4...Qxd5 a good move for Black?

It is playable but less common than recapturing with the pawn. Across 71,577 games White scores 46.5%, slightly below the main line. The queen comes out early, which can be a target for White's developing moves. Black must play accurately to avoid losing time.

Which Black replies are mistakes in this position?

4...Nf6 is an inaccuracy (loses ~0.9 pawns), 4...e5 is a mistake (loses ~1.5 pawns), and 4...Nc6 is a blunder (loses ~5.1 pawns). In all three cases, Black's best response was 4...Qxd5. These alternatives leave Black's position worse and give White a clear advantage.

How many games feature the Sicilian Defense: Delayed Alapin Variation, with e6: d5?

Over 373K Lichess games have reached the Sicilian Defense: Delayed Alapin Variation, with e6: d5 position. White wins 47.6%, Black wins 48.0%, with 4.4% draws — based on real rated games.