Puzzle 178544:
Puzzle 178544:
GM Br Thorfinnsson (2427) - GM Hj Gretarsson (2579)
ch-ISL 2020 Gardabaer ISL, 2020.08.22 Thorfinnsson - Gretarsson, Gardabaer 2020
ch-ISL 2020 Gardabaer ISL, 2020.08.22 Thorfinnsson - Gretarsson, Gardabaer 2020