411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. Nc3/2...d5/3. Nf3/3...Nf6/4. e5
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Caro-Kann Defence: Two Knights Attack B10
4. e5 · Caro-Kann Defence: Two Knights Attack
4. e5 pressures the black knight. It will mostly go to e4.
Theory table
4...Ne4
Caro-Kann