Puzzle 163080:
Puzzle 163080:
N. Studer (2580) - Arkadij Naiditsch (2626)
53rd Biel GMT Rapid 2020 Biel SUI (1), 2020.07.19 N. Studer (2580) - Arkadij Naiditsch (2626)
53rd Biel GMT Rapid 2020 Biel SUI (1), 2020.07.19
53rd Biel GMT Rapid 2020 Biel SUI (1), 2020.07.19 N. Studer (2580) - Arkadij Naiditsch (2626)
53rd Biel GMT Rapid 2020 Biel SUI (1), 2020.07.19