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Against the Catalan

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You play Black · 17 variations

Mixed practice

The machine picks a different variation every time.

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10 positions: find the next theory move in each. No take-backs, no hints.

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Opponent strength after the book

Opponent strength after the book

Stockfish 19 · UCI_Elo

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Pick the other side to train your opponent’s moves, guessing them one by one.

Main variations · 14

Other variations · 3

How to play against the Catalan

The Catalan is a positional system for White that combines the Queen's Gambit with a kingside fianchetto: 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2. The g2 bishop aims at your queenside along the long diagonal, and White happily gives up the c4 pawn for a while in return for lasting pressure. As Black you face a strategic, fairly closed opening where accuracy matters more than tactics. It is one of White's most respected systems, so you need a clear answer to it.

Main ideas and plans

Your first decision is whether to take on c4. In the Open Defense, 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4, you grab the pawn and use the time White spends winning it back. In the Alekhine Variation White regains it at once with Qa4+ and Qxc4, and you aim for ...a6, ...c5 and ...b5 with ...Bb7. The Classical Line, with Nf3 and ...Be7, is the main road: you castle, gain time against the queen with ...a6 and ...b5 when it recaptures on c4, put the bishop on b7 and prepare ...c5. In the Modern Sharp Variation, with ...Nc6 and ...Bb4+ against Qa4, you try to keep the extra pawn with active pieces.

In the Closed Catalan you keep the pawn on d5: 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 Be7 5.Nf3 O-O 6.O-O Nbd7 7.Qc2 c6 is the classic set-up, and in the Main Line White adds Nbd2 and prepares e4. Your problem piece is the c8 bishop, so the typical plans are ...b6 with ...Bb7 (or ...Ba6, as in the Sokolsky Variation), then a freeing ...c5 or ...e5 break. In the Botvinnik Variation White plays Nc3 and Qd3, and in the Spassky Gambit Black gives a pawn with ...b5 for queenside play. The Tarrasch Defense with ...c5 and ...Nc6 accepts an isolated d-pawn for activity, while the Hungarian Gambit, 1.d4 Nf6 2.c4 e6 3.g3 e5, is a rare surprise.

Who is it for?

Meeting the Catalan suits solid, patient players who value structure over quick tactics. The Closed lines need understanding, while the Open lines require you to know exactly when to hold the c4 pawn and when to return it. The main risk is passivity: if your c8 bishop stays locked in, White can squeeze you deep into the endgame. Learn first that in the Open Defense you never cling to the pawn at the cost of development, and in the Closed Defense which break, ...c5 or ...e5, frees your chosen set-up.