Zagonetka 518066:
Zagonetka 518066:
Igor Bondarevsky - Alexander Zakharov
31st URS-ch Leningrad URS (6), 1963 Bondarevsky - Zakharov, Leningrad 1963
31st URS-ch Leningrad URS (6), 1963 Bondarevsky - Zakharov, Leningrad 1963