context: 1. d2d4  1... g8f6  2. c2c4  2... e7e6  3. g2g3  3... f8b4  4. c1d2  4... b4e7  5. f1g2  5... d7d5  6. g1f3  6... e8g8  7. e1g1  7... c7c6 This is one of the most important positions for the theory of the Catalan Opening. Black's position is very solid, and it's not easy for White to get any advantage. The check on b4 slightly disrupts White's development, which could have flowed with b3-Bb2 if the bishop was on c1.