<prompt> Pedzisa mutsara unotevera: Blanco akatanga kutamba chess muna 1972 apo mutambo weChampionship pakati paBobby Fischer naBoris Spassky wakakwezva ngwariro yenyika yose kuchechi. Akamirirawo nyika yake mu  <response>: Chess Olympiad yechi31 muMoscow, 1994. 