Puzzle 198937:
Puzzle 198937:
GM Jose Eduardo Martinez Alcantara (2620) - GM Grigoriy Oparin (2652)
Speed Super Swiss KO 2020 chess.com INT, 2020.10.04 Martinez Alcantara - Oparin, Speed Super Swiss KO 2020 2020
Speed Super Swiss KO 2020 chess.com INT, 2020.10.04 Martinez Alcantara - Oparin, Speed Super Swiss KO 2020 2020