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. Nge2/6...c5/7. h4/7...h5/8. Nf4/8...Bh7/9. Nxh5/9...Nc6/10. dxc5/10...Bxc5
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Van der Wiel Attack
10... Bxc5 · Caro-Kann Defence - Advance Variation, Van Der Wiel Attack
It may look like White should immediately take the g pawn, but allowing Black to capture the undefended pawn on e5 is very risky. There are are a number of ways White can continue, such as pinning the knight with Bb5, or keeping the pressure on with Bg5.
Theory table
11. Bg5 11. Bb5
Caro–Kann Defence