Puzzle 256842:
Puzzle 256842:
GM Nikita Vitiugov (2715) - IM Rudik Makarian (2458)
Mark Dvoretsky Mem 2021 Moscow RUS, 2021.02.11 Vitiugov - Makarian, Moscow 2021
Mark Dvoretsky Mem 2021 Moscow RUS, 2021.02.11 Vitiugov - Makarian, Moscow 2021