Chessy
Catalan: Open Defense — Black's key decisions
In the Catalan: Open Defense, White gets a flexible queenside fianchetto and then asks you a direct question with the c-pawn. After 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4, the position is already sharp enough to matter. Your job as Black is not just to hold the pawn, but to know what comes next when White immediately tries to regain control. The drill below lets you practise the main decision against the most common continuations.
Play the Catalan: Open Defense against the engine
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Play the drill now and practise the key Black decisions. Create a free account and train the position until the replies feel natural.
Create a free account →What the position is asking you to solve
This exact position is a practical test of whether you are comfortable playing the Catalan: Open Defense as Black. You have accepted on c4, and now White to move has several ways to react. The move choice matters because White can aim for quick development, queen checks, or simple central pressure. In other words, you need to be ready for a position where White is slightly better according to the engine, so your play should be accurate and purposeful.
The engine’s main answer and the follow-up idea
Stockfish rates this +0.43, a small edge for White. That means you are slightly worse here. The engine’s best move is Nf3, and the listed continuation is Nf3 Bb4+ Bd2 c5. For you, the important lesson is that White’s most principled reaction is quick development, so Black must respond with active moves and not drift. The drill helps you practise meeting that pressure without losing the thread.
What the database says White usually plays
Across 56,586 games at this exact position, White wins 55.4%, draws 4.1%, Black wins 40.5%. The most-played continuations are Nf3 in 27,284 games, Qa4+ in 11,740 games, Nc3 in 8,672 games, Qc2 in 2,153 games, e4 in 1,949 games, and e3 in 1,335 games. That tells you where your training time should go: the practical battle starts with White’s most common development move, but you also need a clear answer to the queen check and the other main tries.
The mistakes to know before you click through
This position also has a few known errors that are worth memorising. Qc2 is a mistake and loses about 1.2 pawns; the better move was Qa4+. e4 is an inaccuracy and loses about 1.0 pawns; the better move was Nf3. e3 is an inaccuracy and loses about 0.7 pawns; the better move was Nf3. For your preparation, that means you should expect White to lean on direct development, not passive play, and be ready to punish the weaker choices when they appear.
Results across 56,586 Lichess games
| Most-played continuation | Games | White wins |
|---|---|---|
| Nf3 | 27,284 | 57.1% |
| Qa4+ | 11,740 | 54.9% |
| Nc3 | 8,672 | 54.6% |
| Qc2 | 2,153 | 53.9% |
| e4 | 1,949 | 46.6% |
| e3 | 1,335 | 52.3% |
Frequently asked questions
What opening is this position from?
This is the Catalan: Open Defense, ECO code E04. The move order given is 1.d4 Nf6 2.c4 e6 3.g3 d5 4.Bg2 dxc4, and the reader plays Black.
Who is better in this position?
Stockfish gives +0.43, a small edge for White. That means you are slightly worse here and need accurate defence and active play.
What is the best move for White here?
The engine’s best move is Nf3. The listed continuation is Nf3 Bb4+ Bd2 c5, so White’s most direct plan is quick development.
Which White replies happen most often?
The most-played continuation is Nf3 with 27,284 games. Other common choices are Qa4+, Nc3, Qc2, e4, and e3, so the drill focuses on the main practical branches.
How many games feature the Catalan: Open Defense?
Over 56K Lichess games have reached the Catalan: Open Defense position. White wins 55.4%, Black wins 40.5%, with 4.1% draws — based on real rated games.