Puzzle 67018:
Puzzle 67018:
Alexander Kotov - Viacheslav Ragozin
11th URS-ch Leningrad URS (15), 1939 Kotov - Ragozin, Leningrad 1939
11th URS-ch Leningrad URS (15), 1939 Kotov - Ragozin, Leningrad 1939
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