Kotov vs Botvinnik, 1939  (E33) Nimzo-Indian, Classical, 38 moves, 0-1 Botvinnik vs A Chistiakov, 1939 (D37) Queen's Gambit Declined, 41 moves, 1-0 Botvinnik vs Panov, 1939  (C49) Four Knights, 41 moves, 1-0 Botvinnik vs I Kan, 1939  (E21) Nimzo-Indian, Three Knights, 41 moves, 1-0 I Pogrebissky vs Botvinnik, 1939  (C19) French, Winawer, Advance, 36 moves, 0-1 I Rabinovich vs Botvinnik, 1939  (C19) French, Winawer, Advance, 67 moves, 0-1 Tolush vs Botvinnik, 1939  (D83) Grunfeld, Grunfeld Gambit, 37 moves, 0-1 Sokolsky vs Botvinnik, 1938  (D94) Grunfeld, 40 moves, 0-1 V Kirillov vs Botvinnik, 1931  (A34) English, Symmetrical, 32 moves, 0-1 Botvinnik vs N Riumin, 1931  (D11) Queen's Gambit Declined Slav, 32 moves, 1-0 V Rauzer vs Botvinnik, 1931  (D51) Queen's Gambit Declined, 31 moves, 0-1 M Yudovich Sr. vs Botvinnik, 1931  (C17) French, Winawer, Advance, 44 moves, 0-1 A Zamikhovsky vs Botvinnik, 1931  (E17) Queen's Indian, 46 moves, 0-1 Botvinnik vs I Kan, 1931  (A96) Dutch, Classical Variation, 38 moves, 1-0 B Verlinsky vs Botvinnik, 1931  (C15) French, Winawer, 38 moves, 0-1 Botvinnik vs Alatortsev, 1931  (E85) King's Indian, Samisch, Orthodox Variation, 27 moves, 1-0 Botvinnik vs I Mazel, 1931  (E23) Nimzo-Indian, Spielmann, 36 moves, 1-0 Botvinnik vs V Goglidze, 1931  (D94) Grunfeld, 48 moves, 1-0 Kasparian vs Botvinnik, 1931  (B40) Sicilian, 47 moves, 0-1 Botvinnik vs N Sorokin, 1931  (D60) Queen's Gambit Declined, Orthodox Defense, 55 moves, 1-0 Ilyin-Zhenevsky vs Botvinnik, 1931  (C01) French, Exchange, 41 moves, 0-1 Botvinnik vs I Kan, 1930  (A84) Dutch, 31 moves, 1-0 I Kan vs Botvinnik, 1930  (A16) English, 39 moves, 0-1 V Chekhover vs Botvinnik, 1931  (A47) Queen's Indian, 49 moves, 0-1 Botvinnik vs Kasparian, 1931  (D37) Queen's Gambit Declined, 35 moves, 1-0 B Blumenfeld vs Botvinnik, 1931  (B20) Sicilian, 23 moves, 0-1 Botvinnik vs V Breitman, 1931  (E72) King's Indian, 23 moves, 1-0 27 games