Puzzle 519960:
Puzzle 519960:
Grigory Levenfish - Salo Flohr
15th URS-ch Leningrad URS (4), 1947 Grigory Levenfish - Salo Flohr
15th URS-ch Leningrad URS (4), 1947
15th URS-ch Leningrad URS (4), 1947 Grigory Levenfish - Salo Flohr
15th URS-ch Leningrad URS (4), 1947