<page_title> Mikhail Botvinnik </page_title> <section_title> Match results </section_title> <table> <cell> 1963 <col_header> Date </col_header> </cell> <cell> Tigran Petrosian <col_header> Opponent </col_header> </cell> <cell> Lost <col_header> Result </col_header> </cell> <cell> Moscow <col_header> Location </col_header> </cell> <cell> 9½/21 <col_header> Score </col_header> </cell> </table>
In 1963, Mikhail Botvinnik lost with Tigran Petrosian, by 9½–12½ in Moscow.