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B22bPlay as Black2 lines to train

Learn the Alapin Sicilian

A positional anti-Sicilian that prepares d4 with c3 and limits Black’s early piece play. Black aims to attack the center immediately before White completes the ideal pawn duo.

Practice this openingUnderstand the moves
Main line

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4

1.e41…c52.c32…Nf63.e53…Nd54.d44…cxd4

The idea

Why this opening works

The Alapin Sicilian gives Black a clear route to attack the center immediately before White completes the ideal pawn duo. Its recurring positions revolve around the d4 center, isolated-pawn structures, and timely breaks, so the repertoire rewards understanding the structure as much as remembering the move order.

What to remember

  • Know the first 8 half-moves of the main line.
  • Understand the purpose of your key moves before adding more theory.
  • Practice the branches until you can respond without move-order guessing.

Move by move

The moves worth understanding

Theory sticks when every move has a job. Start with these ideas from the trainer.

Scroll down through 6 positions

  1. Position 1 of 6

    1...c5

    c7 → c5

    c5 begins the Alapin Sicilian plan: attack the center immediately before White completes the ideal pawn duo.

  2. Position 2 of 6

    2...Nf6

    g8 → f6

    Nf6 develops or reroutes the knight toward the central squares that drive this opening.

  3. Position 3 of 6

    3...Nd5

    f6 → d5

    Nd5 develops or reroutes the knight toward the central squares that drive this opening.

  4. Position 4 of 6

    4...cxd4

    c5 → d4

    cxd4 clarifies the tension while improving piece activity or pawn structure for the next phase.

  5. Position 5 of 6

    2...d5

    d7 → d5

    d5 reinforces the center and prepares the next piece-development or pawn-break decision.

  6. Position 6 of 6

    3...Qxd5

    d8 → d5

    Qxd5 clarifies the tension while improving piece activity or pawn structure for the next phase.

Trainer variations

Lines you’ll meet

These are representative branches from the drill, not a demand to memorize everything at once.

Line 11. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4
Line 21. e4 c5 2. c3 d5 3. exd5 Qxd5

Quick answers

Alapin Sicilian questions

What is the Alapin Sicilian?

A positional anti-Sicilian that prepares d4 with c3 and limits Black’s early piece play. Black aims to attack the center immediately before White completes the ideal pawn duo. The Alapin Sicilian gives Black a clear route to attack the center immediately before White completes the ideal pawn duo. Its recurring positions revolve around the d4 center, isolated-pawn structures, and timely breaks, so the repertoire rewards understanding the structure as much as remembering the move order.

What is the main line of the Alapin Sicilian?

This trainer starts with 1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4. The exact move order can change by variation, so learn the purpose of each move as well as the sequence.

Is the Alapin Sicilian good to learn as Black?

It can be a useful part of a Black repertoire if its positions match how you like to play. Learn the main plan first, then use the drill to test the recurring replies.

Study next

B20bSicilian DefenseFight for the initiative as Black with 1...c5 — asymmetric and combative.1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5C00bFrench DefenseA resilient and strategic defense to 1.e4 with 1...e6.1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+B10bCaro-Kann DefenseA rock-solid defense to 1.e4 with 1...c6 — reliable structure and easy development.1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7

Turn the guide into recall

Now play the Alapin Sicilian from memory.

The drill gives you an opponent reply, checks your response, and repeats the branches that need more work.

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