A14
English Opening: Agincourt Defense, Neo-Catalan Declined
1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5
The English Opening: Agincourt Defense, Neo-Catalan Declined is a chess opening classified under ECO code A14. It is reached after the moves 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. O-O Be7 5. c4 O-O 6. b3 c5.
It belongs to the English Opening family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.
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