English Opening: Agincourt Defense, Catalan Defense

1.
1. Nf3
2. d5
2.
3. c4
4. e6
3.
5. g3
6. b6
4.
7. Bg2
8. Bb7
5.
9. O-O

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The English Opening: Agincourt Defense, Catalan Defense is a chess opening classified under ECO code A13 (Flank openings). It is a variation of the English Opening family. Step through the moves on the board above, then play the line yourself or review it with the built-in engine.