Bishop's Opening: Paulsen Defence

Before the first move

The Bishop's Opening: Paulsen Defence is a solid yet flexible system where Black aims to challenge White's early bishop placement. By preparing a quick d5 push, you seek to blunt the light-squared bishop and seize control of the center, leading to a balanced struggle with rich strategic possibilities for both sides.

1. e4White

White plays e4, the most popular starting move. By occupying the center, White prepares for rapid development. You have many ways to respond, including the solid Caro-Kann or the sharp Sicilian Defense, but the most direct reply is to match White's central claim.

1... e5Black · your move

Push your pawn to e5. By mirroring White's move, you establish your own presence in the center and prevent White from easily gaining more space. This leads to the Open Games, where piece activity and central control are paramount.

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

2. Bc4White

White plays Bc4, opting for the Bishop's Opening instead of the more common Knight move to f3. This development eyes the f7 square and keeps the center fluid. You might see the Center Game or even the unusual Bongcloud in other variations, but this is a much more respected approach.

Other paths here: Ke2 (Bongcloud Attack) · d4 (Center Game) · c4 (English Opening: The Whale) · Ne2 (King's Pawn Game: Alapin Opening)

2... Nf6Black · your move

Bring your knight to f6. This active developing move puts immediate pressure on White's e4 pawn and prepares for castling. It is the most principled way to challenge White's setup, forcing them to decide how to defend the center.

Other paths here: b5 (Bishop's Opening: Anderssen Gambit) · Bc5 (Bishop's Opening: Boi Variation) · f5 (Bishop's Opening: Calabrese Countergambit) · d5 (Bishop's Opening: Khan Gambit)

3. d3White

White plays d3, choosing a solid, quiet line over more gambit-oriented tries like the Ponziani or Greco Gambits. This move protects e4 and prepares for slow development. You now have the chance to prepare your own central break while White's bishop remains on its active c4 post.

Other paths here: f4 (Bishop's Opening: Berlin Defense, Greco Gambit) · d4 (Bishop's Opening: Ponziani Gambit) · f3 (Bishop's Opening: Walkerling) · Nc3 (Bishop's Opening: Horwitz Gambit)

3... c6Black · your move

Move your pawn to c6. This is the hallmark of the Paulsen Defence. You are preparing to strike at the heart of White's position with d5, which will challenge the c4 bishop and aim to take over the center entirely.

Other paths here: d5 (Bishop's Opening: 3.d3 d5) · Nc6 (Bishop's Opening: Vienna Hybrid) · Bc5 (Bishop's Opening, Vienna Hybrid) · Be7 (Bishop's Opening: Kitchener Folly)

Where you stand

The position is balanced and strategically deep. White will likely retreat the bishop to b3 to anticipate the d5 push, while Black prepares to castle and complete development. Both sides must navigate the tension in the center carefully, as the timing of the d5 break will determine who holds the initiative in the middle game.

• d7-d5 Challenge the center and the bishop
• c4-b3 Preserve the bishop from the d5 push
• g1-f3 Develop the knight and prepare castling
• f8-e7 Develop the bishop to prepare castling