English Opening: Agincourt Defense, Catalan Defense, Semi-Slav Defense

1.
1. Nf3
2. Nf6
2.
3. c4
4. e6
3.
5. g3
6. d5
4.
7. Bg2
8. c6

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The English Opening: Agincourt Defense, Catalan Defense, Semi-Slav 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.