Puzzle 410721:
Puzzle 410721:
GM Alexander Donchenko (2648) - GM Jonas Buhl Bjerre (2569)
FIDE Grand Swiss 2021 Riga LAT, 2021.10.27 Donchenko - Bjerre, Riga 2021
FIDE Grand Swiss 2021 Riga LAT, 2021.10.27 Donchenko - Bjerre, Riga 2021