15.Rb5!? Botvinnik vs A Buslaev, 1963  (A13) English, 36 moves, 1-0 K.I.D. B Andersson vs Botvinnik, 1962  (E83) King's Indian, Samisch, 23 moves, 0-1 Bind on a5 Botvinnik vs A Bisguier, 1962  (A12) English with b3, 44 moves, 1-0 Kotov-Gligoric reversed Botvinnik vs A Pomar Salamanca, 1962  (A07) King's Indian Attack, 30 moves, 1-0 21.f6! Botvinnik vs B Soderborg, 1962  (A16) English, 46 moves, 1-0 20.e3! Botvinnik vs A Olsson, 1962  (A22) English, 28 moves, 1-0 19....h5! K Skold vs Botvinnik, 1962  (B27) Sicilian, 45 moves, 0-1 Knights against bishops H Kokkoris vs Botvinnik, 1962  (B74) Sicilian, Dragon, Classical, 36 moves, 0-1 Rossolimo Botvinnik vs Veresov, 1963 (B31) Sicilian, Rossolimo Variation, 32 moves, 1-0 Blowout Botvinnik vs T van Scheltinga, 1963  (A34) English, Symmetrical, 27 moves, 1-0 Knight on c6 Botvinnik vs J H Donner, 1963  (A14) English, 31 moves, 1-0 A matter of technique Botvinnik vs H Ree, 1969  (A22) English, 40 moves, 1-0 12 games