Catalan Opening: Open Defense, Classical Line

1.
1. d4
2. Nf6
2.
3. c4
4. e6
3.
5. g3
6. d5
4.
7. Bg2
8. dxc4
5.
9. Nf3
10. Be7

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The Catalan Opening: Open Defense, Classical Line is a chess opening classified under ECO code E05 (Indian defences). It is a variation of the Catalan Opening family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.