Puzzle 639944:
Puzzle 639944:
GM Yi Xu (2507) - GM P. Tregubov (2548)
Chess.com RCC Wk19 Swiss chess.com INT (3), 2022.07.02 Xu - Tregubov, Chess.com RCC Wk19 Swiss 2022
Chess.com RCC Wk19 Swiss chess.com INT (3), 2022.07.02 Xu - Tregubov, Chess.com RCC Wk19 Swiss 2022