411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. d4/2...Na6/3. c4
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De Bruycker Defense
3.с4
Whites capture the center.rd bd qd kd bd nd rd pd pd pd pd pd pd pd nd pd pl pl pl pl pl pl pl pl rl nl bl ql kl bl nl rl Caro-Kann Defense: De Bruycker Defense yes
Black's responses
3...Nc7 d5 preparation.
3...g6 preparation for the development of the bishop on g7.
3...e5 insane gambit