mindless exchanging does not ensure draw Menchik vs Capablanca, 1931  (A47) Queen's Indian, 42 moves, 0-1 active vs passive rook/king Schlechter vs A Kaufmann, 1916  (D31) Queen's Gambit Declined, 49 moves, 1-0 weakened squares Alekhine vs Yates, 1922   (D63) Queen's Gambit Declined, Orthodox Defense, 38 moves, 1-0 outpost Smyslov vs I Rudakovsky, 1945  (B83) Sicilian, 29 moves, 1-0 4 games