Sicilian: Moscow 3...Nd7

Before the first move

The Moscow Variation is a sophisticated alternative to the main open Sicilian lines. By delivering an early check, White aims for rapid development and solid control without allowing Black's usual counterplay. Black's choice to block with the knight leads to a strategic battle where both sides fight for the d4 and e5 squares.

1. e4White · your move

Push your pawn to e4. This classic opening move claims the center and opens pathways for your queen and light-squared bishop, establishing a strong presence from the very first move.

1... c5Black

Black replies with c5, entering the Sicilian Defense. This move fights for the center indirectly and prepares to trade a flank pawn for White's central d-pawn. Other rare options like the Barnes or Borg defenses are significantly less challenging.

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

2. Nf3White · your move

Develop your knight to f3. This is the most flexible continuation, preparing to support a d4 push or, as we will see, supporting the bishop's jump to the b5 square.

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

2... d6Black

Black chooses d6, a solid move that prepares to develop the kingside. Alternatives like the Hyperaccelerated Dragon with g6 or the aggressive Brussels Gambit with f5 lead to very different types of games.

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

3. Bb5+White · your move

Slide your bishop to b5 to deliver a check. This move defines the Moscow Variation. You are forcing Black to interrupt their development to deal with the immediate threat to their king.

Other paths here: d4 (Sicilian Defense) · c3 (Sicilian Defense: Delayed Alapin Variation, with d6) · Bd3 (Sicilian Defense: Kopec System) · b4 (Sicilian Defense: Wing Gambit, Deferred Variation)

3... Nd7Black

Black replies with Nd7, the Moscow 3...Nd7 line. This is a more patient approach than the main line Bd7 or the Nc6 variation. Black accepts a temporary cramp in exchange for keeping the pair of bishops and a solid position.

Other paths here: Nc6 (Sicilian: Moscow 3...Nc6) · Bd7 (Sicilian Defense: Moscow Variation, Main Line)

Where you stand

The position is strategically rich. White usually castles quickly and looks to play d4 or c3, while Black will try to challenge the bishop on b5 with a6 and eventually prepare the e6 or g6 pawn breaks. Both sides must be careful about the timing of the d4 break and the potential trade of the light-squared bishop.

• e1-g1 Castle kingside to secure the king
• d2-d4 Strike in the center with d4
• a7-a6 Challenge the bishop with a6
• g8-f6 Develop the knight to f6