Sicilian: 3.Bb5+ Bd7 4.Bxd7+ Qxd7 5.O-O

Before the first move

The Moscow Variation is a solid, positional approach to the Sicilian Defense. By checking on b5, White seeks to trade pieces and simplify the game, avoiding the sharp tactical chaos of the Open Sicilian. Black maintains a sturdy structure, leading to a strategic battle where control of the center and piece coordination are key.

1. e4White · your move

Push your king's pawn to e4. This classic opening move claims space in the center and immediately opens lines for your queen and light-squared bishop. You are preparing to control the heart of the board and readying your pieces for a quick development.

1... c5Black

Black replies with c5, the Sicilian Defense. This is a fighting choice that prevents White from easily forming a perfect pawn center. While alternatives like e5 or e6 are common, the Sicilian is famous for its counter-attacking potential and remains a favorite at all levels of play.

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 and strongest continuation, preparing to support a d4 push or, as we will see in this line, supporting the bishop's jump to b5. You are also getting one step closer to castling your king to safety.

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. This is the gateway to the Dragon, Najdorf, or Classical variations. Black could also try g6 for the Hyperaccelerated Dragon or e6 to enter the Paulsen or Taimanov systems, but d6 remains the most traditional choice.

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 is the Moscow Variation. Instead of the usual d4, you are challenging Black immediately and forcing them to block the check. This often leads to a trade of bishops, which can slightly dampen Black's attacking prospects.

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... Bd7Black

Black replies with Bd7, the most common way to meet the check. You offer an immediate trade of bishops. Other options include Nc6, which leads to the Rossolimo-style structures, or Nd7, which keeps more pieces on the board but temporarily blocks your queen and light-squared bishop.

Other paths here: Nc6 (Sicilian: Moscow 3...Nc6) · Nd7 (Sicilian: Moscow 3...Nd7)

4. Bxd7+White · your move

Capture the bishop on d7 with a check. By trading off these pieces, you simplify the position and remove Black's active light-squared bishop. This trade often favors White slightly in a positional sense, as it limits Black's ability to create early complications.

4... Qxd7Black

Black recaptures with Qxd7, which is very popular today. It allows the knight on b8 to go to c6 naturally later. The alternative, Nxd7, is also perfectly viable and focuses on a more compact piece setup, but Qxd7 keeps the pressure on the center more directly.

Other paths here: Nxd7 (Sicilian: Moscow 3...Bd7 4.Bxd7+ Nxd7)

5. O-OWhite · your move

Castle your king to safety on the kingside. This completes the first stage of your development and brings your rook toward the center. With your king tucked away, you can now focus on your central pawn breaks and piece coordination in the upcoming middlegame.

Other paths here: c4 (Sicilian Defense: Moscow Variation, Sokolsky Variation)

Where you stand

The position is roughly equal but full of strategic nuances. White will likely aim for a d4 break or a c3-d4 setup to control the center. Black should focus on developing the kingside with Nf6 and Be7, then look for counterplay on the queenside or by challenging the center with e6 and d5. Both sides have clear, logical paths forward.

• b8-c6 Develop the knight to its most active square.
• f1-e1 Place the rook on the semi-open e-file.
• d2-d4 Strike at the center to open lines.
• g8-f6 Develop the knight and prepare for castling.