Puzzle 671985:
Puzzle 671985:
GM P. Potapov (2479) - GM Sergei Movsesian (2671)
Kurnosov Mem Rapid 2017 Chelyabinsk RUS, 2017.09.10 Potapov - Movsesian, Chelyabinsk 2017
Kurnosov Mem Rapid 2017 Chelyabinsk RUS, 2017.09.10 Potapov - Movsesian, Chelyabinsk 2017