He didn't really need the bishop either. Topalov vs E Najer, 2004  (D15) Queen's Gambit Declined Slav, 46 moves, 1-0 A sacrifice so nice, he had to play it twice. Topalov vs Aronian, 2006  (E15) Queen's Indian, 44 moves, 1-0 Theory, but even so. Topalov vs Shirov, 2007  (D86) Grunfeld, Exchange, 41 moves, 1-0 Sac on move 27, and the next capture is 11 moves later. Topalov vs Kamsky, 2006  (D15) Queen's Gambit Declined Slav, 42 moves, 1-0 4 games