Puzzle 67531:
Puzzle 67531:
Mark Taimanov - Efim Geller
19th URS-ch Moscow URS, 1951 Mark Taimanov - Efim Geller
19th URS-ch Moscow URS, 1951
19th URS-ch Moscow URS, 1951 Mark Taimanov - Efim Geller
19th URS-ch Moscow URS, 1951