Polugaevsky vs Nezhmetdinov, 1958  (A54) Old Indian, Ukrainian Variation, 4.Nf3, 33 moves, 0-1 V Tukmakov vs Romanishin, 1980 (A29) English, Four Knights, Kingside Fianchetto, 41 moves, 1-0 Botvinnik vs Keres, 1966  (A29) English, Four Knights, Kingside Fianchetto, 27 moves, 1-0