Game turns in Winawer's favor when position becomes closed. Winawer vs Steinitz, 1867  (B40) Sicilian, 65 moves, 1-0 Polgar's knight at the end dominates Adam's K+B Polgar vs Adams, 2005  (C42) Petrov Defense, 52 moves, 1-0 Karpov's active knight decimates Kasparov's bishop in endgame. Karpov vs Kasparov, 1984  (D34) Queen's Gambit Declined, Tarrasch, 70 moves, 1-0 Knight surprisingly stronger despite widespread pawns Carlsen vs Jakovenko, 2009  (C67) Ruy Lopez, 49 moves, 1-0 White's active knight dances around black's idle bishop. V Gashimov vs Caruana, 2009  (C80) Ruy Lopez, Open, 43 moves, 1-0 Kramnik's knight (on e3!) is key to passed pawn break 45.b5! Kramnik vs Vitiugov, 2013  (A07) King's Indian Attack, 50 moves, 1-0 6 games