411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. d4/2...Na6/3. Bxa6/3...Qa5+/4. Nc3
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De Bruycker Defense
4.Nc3
rd bd kd bd nd rd pd pd pd pd pd pd pd bl pd qd pl pl nl pl pl pl pl pl pl rl bl ql kl nl rl Caro-Kann Defense: De Bruycker Defense yes