Puzzle 67040:
Puzzle 67040:
Mikhail Botvinnik - Viacheslav Ragozin
12th URS-ch Moscow URS (8), 1940.09.14 Mikhail Botvinnik - Viacheslav Ragozin
12th URS-ch Moscow URS (8), 1940.09.14
12th URS-ch Moscow URS (8), 1940.09.14 Mikhail Botvinnik - Viacheslav Ragozin
12th URS-ch Moscow URS (8), 1940.09.14