1 x 1. The Open Sicilian Introduction (5.00 avg depth)
50 x 2. Najdorf Variation: English Attack (16.18 avg depth)
22 x 3. Classical Variation: Richter-Rauzer (15.18 avg depth)
21 x 4. Dragon Variation: Yugoslav Attack Modern Line (17.19 avg depth)
14 x 5. Scheveningen Variation: Keres Attack (13.57 avg depth)
11 x 6. Sveshnikov Variation: Chelyabinsk Variation (16.45 avg depth)
11 x 7. Four Knights Variation: Main Line (14.09 avg depth)
4 x 8. Kalashnikov Variation: Maroczy Bind (12.00 avg depth)
20 x 9. Accelerated Dragon: Maroczy Bind (12.85 avg depth)
7 x 10. Kan Variation: Maroczy Bind (14.29 avg depth)
11 x 11. Paulsen and Taimanov Variations: Main Line (14.55 avg depth)
15 x 12. Less Common Sicilians (10.80 avg depth)
