ECO code: E01
Opening Name: Catalan: 4...c5 5.Nf3
Moves: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. Nf3
Description: This line of the Catalan Opening features Black challenging White’s center immediately with 4...c5. By playing 5.Nf3, White develops a knight to a natural square, supporting the center and preparing to castle. The move 4...c5 is characteristic of Black’s attempt to undermine White’s control of the d4 square and put pressure on the long diagonal opened by White’s fianchettoed bishop.
Characteristics: The move 4...c5 is a thematic counterattack typical of the Catalan, aiming to contest the center and create dynamic play. White’s 5.Nf3 is a solid developing move that maintains central control and prepares for kingside safety.
Attacking or Defensive: As White, this position is generally attacking in nature, focusing on long-term pressure on Black’s center and queenside. Black’s ...c5 is also somewhat attacking, trying to challenge White’s central presence early on.
Center Control: Yes, this opening actively contests the center. White aims to maintain and build control over the center squares, while Black immediately challenges White’s center with ...c5, making it a dynamic battleground.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.
Practice puzzles and train your tactics with real positions from games that used the Catalan: 4...c5 5.Nf3, and sharpen your opening mastery.
Puzzle 1 of 4 - Move #9 white