Botvinnik vs G Stoltz, 1926  (D55) Queen's Gambit Declined, 31 moves, 1-0 Botvinnik vs N Grigoriev, 1927  (E16) Queen's Indian, 32 moves, 1-0 Botvinnik vs Ragozin, 1927  (C16) French, Winawer, 34 moves, 1-0 I Rabinovich vs Botvinnik, 1927  (A95) Dutch, Stonewall, 42 moves, 0-1 Botvinnik vs V Nenarokov, 1927  (D10) Queen's Gambit Declined Slav, 36 moves, 1/2-1/2 A Ilyin-Zhenevsky vs Botvinnik, 1927  (C00) French Defense, 66 moves, 0-1 A Polyak vs Botvinnik, 1929  (D51) Queen's Gambit Declined, 40 moves, 0-1 Botvinnik vs V Sozin, 1929  (D11) Queen's Gambit Declined Slav, 63 moves, 1/2-1/2 Botvinnik vs V Silich, 1929  (A50) Queen's Pawn Game, 29 moves, 1-0 Ragozin vs Botvinnik, 1930  (C56) Two Knights, 63 moves, 0-1 Y Rokhlin vs Botvinnik, 1930  (C49) Four Knights, 43 moves, 0-1 11 games