Botvinnik vs A Dueckstein, 1958  (A22) English, 43 moves, 1-0 Botvinnik vs E Lundin, 1962  (A22) English, 35 moves, 1-0 Botvinnik vs A Olsson, 1962  (A22) English, 28 moves, 1-0 Botvinnik vs Szabo, 1964 (A22) English, 51 moves, 1/2-1/2 Botvinnik vs Smyslov, 1965  (A22) English, 41 moves, 0-1 Botvinnik vs A Fradkin, 1965  (A22) English, 35 moves, 0-1 Botvinnik vs Portisch, 1968  (A22) English, 26 moves, 1-0 Botvinnik vs H Ree, 1969  (A22) English, 40 moves, 1-0 A20 Botvinnik vs O Benkner, 1956  (A20) English, 27 moves, 1-0 9 games