411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. e5/3...c5/4. dxc5/4...e6/5. Be3
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Caro-Kann Defence - Advance Variation, Botvinnik-Carls Defence
5. Be3 · Caro-Kann Defence - Advance Variation, Botvinnik-Carls Defence
The knight commonly develops to d7, but the unusual-looking Nh6, planning to reroute the knight to f5, is also solid.
Theory table
5... Nd7 5... Nh6 5... Ne7
References
Caro-Kann
Opening Repertiore: The Caro-Kann. 2015. Jovanka Houska 9781781942109