Puzzle 363613: Bianco a difendere
Sam Shankland (2709) - Jeffery Xiong (2710)
8th Sinquefield Cup 2021 Saint Louis USA (2), 2021.08.18
8th Sinquefield Cup 2021 Saint Louis USA (2), 2021.08.18
Trascina i pezzi per risolvere questo puzzle.