Puzzle 424971:
Puzzle 424971:
GM Valentina Gunina (2496) - GM Ian Nepomniachtchi (2763)
Mark Dvoretsky Mem 2018 Moscow RUS, 2018.12.09 Gunina - Nepomniachtchi, Moscow 2018
Mark Dvoretsky Mem 2018 Moscow RUS, 2018.12.09 Gunina - Nepomniachtchi, Moscow 2018