Catalan β Open with ...c5
Black counterattacks the center with ...c5.
Catalan β Open with ...Bb4+
Black gives check with ...Bb4+ seeking simplification.
Catalan β Closed (4...Be7)
Black keeps the pawn on d5 and develops solidly. White has a slight space advantage.
Catalan β Main Open (7.Qc2)
In the Open Catalan, White plays Qc2, regaining the pawn with pressure.
Catalan β Main Line with Nf3 and Castling
Complete development in the Catalan: knight on f3, fianchettoed bishop, kingside castling.
Catalan β Closed Smyslov
Smyslov System with ...c6 + ...Nbd7 in a Slav-type structure.
Catalan β Anti-Catalan (4...Bb4+)
Against the Catalan, Black gives an immediate check with 4...Bb4+.
Catalan β 4...c5 (Hybrid Tarrasch)
Black plays ...c5, counterattacking the center immediately.
Catalan β 4...c6 (Hybrid Slav)
Black plays ...c6, entering a Slav-type structure.
Catalan β Open Classical 6.O-O
Castling before recovering the pawn β modern main line.
Catalan β Closed ...Nbd7 Main Line
Classical system with ...Nbd7 + ...c6, Semi-Slav style.
Catalan β 3.Nf3 (Delayed Catalan)
A different move order with Nf3 before g3.
Catalan β Closed Bogoljubov
Black develops the pieces actively with ...Nc6.
Catalan β Closed with Late ...dxc4
Black plays ...dxc4 only after completing castling.
Catalan β Open with ...Nc6
An active ...Nc6 system seeking central counterplay.
Catalan β Open (4...dxc4)
Black captures the pawn on c4. White accepts the small loss in exchange for the powerful bishop on g2.
Catalan β Open 5.Qa4+
White recovers the pawn immediately with Qa4+.
Catalan β Open with ...a6
The ...a6 line preparing ...b5 to hold the c4 pawn.
Catalan β 4.Nf3 Bb4+ (Bogo-Indian)
Black plays ...Bb4+, transposing into a Bogo-Indian structure.
Catalan β Open, Keres Defense
The Keres Defense with ...Bd7 in the Open Catalan.
Catalan Opening
The powerful Catalan with g3 and Bg2.