3 x Spanish (Ruy Lopez) (18.67 avg depth)
42 x Spanish: 3...a6 (11.76 avg depth)
15 x Spanish: Berlin Defence (8.87 avg depth)
14 x Spanish: Classical Defence (12.43 avg depth)
9 x Spanish: Exchange, Gligoric Variation (15.00 avg depth)
14 x Spanish: Old Steinitz (11.86 avg depth)
18 x Spanish: Schliemann (Jaenisch) (12.89 avg depth)
1 x Start position (41.00 avg depth)
