Bishop Anchor: Ruy Lopez (Spanish Opening) line

Engine-verified opening line.

1. e4
2. e5
3. Nf3
4. Nc6
5. Bb5
6. a6
7. Ba4
8. b5
9. Bb3
10. Nf6
11. d4
12. Nxe4
13. dxe5
14. Nc5
15. Bd5
16. Bb7
17. Nc3
18. Be7
19. Be3