Puzzle 68412:
Puzzle 68412:
Lev Polugaevsky - David Bronstein
URS-ch33 Tallinn (19), 1965.12.23 Lev Polugaevsky - David Bronstein
URS-ch33 Tallinn (19), 1965.12.23
URS-ch33 Tallinn (19), 1965.12.23 Lev Polugaevsky - David Bronstein
URS-ch33 Tallinn (19), 1965.12.23