B21 Semi-open games 3 moves Variation of Sicilian Defense

Sicilian Defense: Smith-Morra Gambit Declined, Alapin Formation

Study the move order, practice it from your side, then choose the next branch that fits your repertoire.

Guided lesson

Sicilian Defense: Smith-Morra Gambit Declined, Alapin Formation

Your side
1
2
3
4
5
6
7
h8
g
f
e
d
c
b
a

Learn the move order

B21You move both sides from Black's view.

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Follow the highlighted move, then make it on the board.

How this works

Lesson shows every move and lets you replay the full line.

Practice hides future moves and tests only your selected side.

Plan: Black answers 1.e4 with an asymmetrical fight, trading a flank pawn for central influence and queenside play.

Step 1 of 6
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Move sequence

0/6
#WhiteBlack
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Study the whole opening Plans and variations for Sicilian Defense

The Sicilian Defense: Smith-Morra Gambit Declined, Alapin Formation reaches a named position after 3 moves: 1. e4 c5 2. d4 cxd4 3. c3 Nf6

In practical games, this line matters because the early pawn and piece choices decide which middlegame plans are natural. Use the board above to learn the move order, then complete Practice without hints before adding the opening to your regular queue.

If this exact branch does not appear in your games, study the related lines below. Openings often transpose, and recognizing the family pattern is more useful than memorizing one narrow sequence.

The idea behind this line

Black answers 1.e4 with an asymmetrical fight, trading a flank pawn for central influence and queenside play.

What to look for

  • Pressure the c-file and queenside.
  • Prepare ...d5 or ...e5 according to the structure.
  • Complete development before grabbing central pawns.
Position details

This line branches from Sicilian Defense: Smith-Morra Gambit with Nf6.

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