Exchange Sac: Caro-Kann Defense line

Engine-verified opening line.

1. e4
2. c6
3. d4
4. d5
5. e5
6. c5
7. dxc5
8. Nc6
9. a3
10. e6
11. b4
12. a5
13. Bb2
14. axb4
15. axb4
16. Rxa1
17. Bxa1
18. Nxb4