411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...c6/2. d4/2...d5/3. e5/3...Bf5/4. Nc3/4...e6/5. g4/5...Bg6/6. Nge2
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Van der Wiel Attack
6. Ne2 · Caro-Kann Defence - Advance Variation, Van Der Wiel Attack
White threatens Nf4 and h4, so Black must react. Black usually counters in the centre with 6... c5.
Theory table
6... c5
Caro–Kann Defence