A Queen and Kt against 2 Rooks gives Karpov an easy win. Karpov vs V Pozdniakov, 1970  (B42) Sicilian, Kan, 57 moves, 1-0 Fischer uses P-QB4 against a Kan Fischer vs Najdorf, 1970  (B42) Sicilian, Kan, 48 moves, 1-0 Playing against a Kan is not an "easy" win for White Ivanchuk vs Kamsky, 2006  (B42) Sicilian, Kan, 54 moves, 1-0 Shirov vs Topalov, 1998  (B42) Sicilian, Kan, 34 moves, 1-0 4 games