B23bPlay as Black2 lines to train

Learn the Closed Sicilian

A closed anti-Sicilian that keeps the center intact and builds a slower kingside attack. Black aims to expand on the queenside and challenge White’s center before the kingside attack lands.

Main line

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7

1.e41c52.Nc32Nc63.g33g64.Bg24Bg7

The idea

Why this opening works

The Closed Sicilian gives Black a clear route to expand on the queenside and challenge White’s center before the kingside attack lands. Its recurring positions revolve around opposite-wing play, the f4 lever, and central restraint, 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

    c7c5

    c5 begins the Closed Sicilian plan: expand on the queenside and challenge White’s center before the kingside attack lands.

  2. Position 2 of 6

    2...Nc6

    b8c6

    Nc6 develops or reroutes the knight toward the central squares that drive this opening.

  3. Position 3 of 6

    3...g6

    g7g6

    g6 gains kingside space and prepares the pawn lever that gives this setup its attacking potential.

  4. Position 4 of 6

    4...Bg7

    f8g7

    Bg7 activates the bishop on a diagonal that supports the opening’s central and kingside ideas.

  5. Position 5 of 6

    2...e6

    e7e6

    e6 reinforces the center and prepares the next piece-development or pawn-break decision.

  6. Position 6 of 6

    3...d5

    d7d5

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

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. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7
Line 21. e4 c5 2. Nc3 e6 3. f4 d5

Quick answers

Closed Sicilian questions

What is the Closed Sicilian?

A closed anti-Sicilian that keeps the center intact and builds a slower kingside attack. Black aims to expand on the queenside and challenge White’s center before the kingside attack lands. The Closed Sicilian gives Black a clear route to expand on the queenside and challenge White’s center before the kingside attack lands. Its recurring positions revolve around opposite-wing play, the f4 lever, and central restraint, so the repertoire rewards understanding the structure as much as remembering the move order.

What is the main line of the Closed Sicilian?

This trainer starts with 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7. The exact move order can change by variation, so learn the purpose of each move as well as the sequence.

Is the Closed 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.

Turn the guide into recall

Now play the Closed Sicilian from memory.

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