Puzzle 257802:
Puzzle 257802:
Tigran V Petrosian - Mikhail Pavlovich Kamishov
URS-ch sf Moscow (7), 1947 Tigran V Petrosian - Mikhail Pavlovich Kamishov
URS-ch sf Moscow (7), 1947
URS-ch sf Moscow (7), 1947 Tigran V Petrosian - Mikhail Pavlovich Kamishov
URS-ch sf Moscow (7), 1947