411 REFERENCE · Wikibooks
Chess Opening Theory/1. d4/1...d5/2. c4/2...e6/3. Nf3/3...Nf6/4. g3
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Catalan Opening rd nd bd qd kd bd rd pd pd pd pd pd pd pd nd pd pl pl nl pl pl pl pl pl pl rl nl bl ql kl bl rl
Catalan Opening
Theory table
4... dxc4 5. Bg2 Be7 6. O-O O-O 4... Bb4+ 4... Be7 4... c6 4... Nbd7
References