The Catalan Opening: Closed is a chess opening classified under ECO code E06 in the Indian Defences family, where Black responds to 1.d4 with 1...Nf6, including the Nimzo-Indian, Queen's Indian, and King's Indian. It is reached after 5 moves: 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3. The resulting position leaves black to move.
Resulting Position
1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3
rnbqk2r/ppp1bppp/4pn2/3p4/2PP4/5NP1/PP2PPBP/RNBQK2R b KQkq - 3 5Resulting Position