ECO B56 · Best studied as White

Sicilian: Open, 2...d6, 5.Nc3

  • Tactical
  • Central
  • Solid

What is the Sicilian: Open, 2...d6, 5.Nc3?

The Sicilian Defense is a sharp, asymmetrical battle where Black fights for the center from the very first move.

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3

bR
bN
bB
bQ
bK
bB
bR
bP
bP
bP
bP
bP
bP
bP
bN
wN
wP
wN
wP
wP
wP
wP
wP
wP
wR
wB
wQ
wK
wB
wR
a
b
c
d
e
f
g
h
8
7
6
5
4
3
2
1
Position after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3

The lesson

Play through the Sicilian: Open, 2...d6, 5.Nc3, move by move

Scroll the moves and watch the board follow along. Every move comes with the idea behind it.

bR
bN
bB
bQ
bK
bB
bN
bR
bP
bP
bP
bP
bP
bP
bP
bP
wP
wP
wP
wP
wP
wP
wP
wP
wR
wN
wB
wQ
wK
wB
wN
wR
a
b
c
d
e
f
g
h
8
7
6
5
4
3
2
1

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3

  1. Before the first move

    The Sicilian Defense is a sharp, asymmetrical battle where Black fights for the center from the very first move. In this Open Sicilian line, White trades a central pawn for space and rapid development, while Black creates a solid structure with d6, preparing to counterattack on the queenside or in the center later.

  2. 1. e4White · your move

    Push your pawn to e4. This classic opening move claims the center, opens lines for your queen and light-squared bishop, and prepares for rapid kingside development. It is the most popular way to start the game, leading to open and tactical positions.

  3. 1... c5Black

    Black replies with c5, signaling the Sicilian Defense. This move prevents White from easily forming a perfect pawn center with d4. While alternatives like the Barnes Defense with f6 or the Borg Defense with g5 are rare and risky, the Sicilian is the gold standard for players seeking a complex battle.

    Other paths here: f6 (Barnes Defense) · g5 (Borg Defense) · h6 (Carr Defense) · f5 (Duras Gambit)

  4. 2. Nf3White · your move

    Develop your knight to f3. This is the most natural and flexible follow-up, preparing to support the d4 pawn break. It also brings you one step closer to castling and controls the vital d4 and e5 squares in the center.

    Other paths here: Qg4 (Sicilian Defense: Amazon Attack) · Bc4 (Sicilian Defense: Bowdler Attack) · Nh3 (Sicilian Defense: Brick Variation) · g4 (Sicilian Defense: Grob Variation)

  5. 2... d6Black

    Black chooses d6, a solid and flexible continuation. This prevents White from pushing e5 and prepares the development of the kingside. Other options like the Hyperaccelerated Dragon with g6 or the Jalalabad Variation with e5 lead to very different types of games, but d6 remains a cornerstone of Sicilian theory.

    Other paths here: f5 (Sicilian Defense: Brussels Gambit) · h6 (Sicilian Defense: Bücker Variation) · g6 (Sicilian Defense: Hyperaccelerated Dragon) · e5 (Sicilian Defense: Jalalabad Variation)

  6. 3. d4White · your move

    Strike in the center with d4. This move opens the position and invites a trade of pawns. By doing this, you activate your pieces and gain a space advantage, which is the hallmark of the Open Sicilian systems.

    Other paths here: c3 (Sicilian Defense: Delayed Alapin Variation, with d6) · Bd3 (Sicilian Defense: Kopec System) · b4 (Sicilian Defense: Wing Gambit, Deferred Variation) · b3 (Sicilian: 2.Nf3 d6 3.b3)

  7. 3... cxd4Black

    Black captures with cxd4, a necessary response to maintain the balance. This trade defines the structure of the game. While Black could theoretically play Nf6 first to delay the capture, taking on d4 immediately is the most direct path to the main battlegrounds of the Sicilian.

    Other paths here: Nf6 (Sicilian Defense: Modern Variations, Anti-Qxd4 Move Order) · Nd7 (Lazy Knight Variation, Sicilian)

  8. 4. Nxd4White · your move

    Capture back with your knight on d4. Your knight is now centralized and powerful, controlling several key squares. This move keeps the pressure on Black and maintains your development lead as you prepare to bring out your remaining pieces.

    Other paths here: c3 (Sicilian Defense: Modern Variations, Tartakower) · Qxd4 (Sicilian Defense: Chekhover Variation)

  9. 4... Nf6Black

    Black plays Nf6, developing a piece and immediately questioning the e4 pawn. This is the most common move here. Black could also choose the Dragon with g6 or the Najdorf with a6, but Nf6 is a principled developing move that demands an immediate response from White.

    Other paths here: g6 (Sicilian Defense: Dragon Variation, Accelerated Dragon) · a6 (Sicilian: Open, 2...d6, 4...a6) · e5 (Sicilian: Open, 2...d6, 4...e5)

  10. 5. Nc3White · your move

    Bring your knight to c3. This naturally defends the e4 pawn and completes your minor piece development in the center. You are now ready to develop your bishops and choose which side you want to castle on, keeping your plans flexible.

    Other paths here: Bc4 (Sicilian Defense: Modern Variations, Ginsberg Gambit) · f3 (Sicilian Defense: Prins Variation) · Bd3 (Sicilian: Open, 2...d6, 4...Nf6 5.Bd3)

  11. Where you stand

    The position is now a classic Open Sicilian. White has a space advantage and active pieces, while Black has a solid structure and the long-term potential of the semi-open c-file. Future play often revolves around White's kingside attack versus Black's queenside counterplay. Both sides must balance development with the immediate tactical threats that arise in such sharp lines.

    • c1-e3 Develop the bishop to e3 or g5
    • a7-a6 Prepare queenside expansion with a6
    • f1-e2 Prepare kingside castling with Be2
    • c8-e6 Develop the bishop to e6 or g4

Your games

Free game review

Do you leak rating in the Sicilian?

Chessiro reviews your real games move by move, shows your win rate in every opening you play, and turns the exact positions you misplayed into training puzzles with plain-English coaching.

← Browse all chess openings