Puzzle 857139:
Puzzle 857139:
GM P. Kostenko (2429) - GM An Ismagambetov (2528)
Kazakhstan Cup 2020 Almaty KAZ, 2020.12.14 Kostenko - Ismagambetov, Almaty 2020
Kazakhstan Cup 2020 Almaty KAZ, 2020.12.14 Kostenko - Ismagambetov, Almaty 2020