Puzzle 100578:
Puzzle 100578:
IM Igor Janik (2454) - GM Alexander Motylev (2640)
Portugal Open Rapid 2020 Lisbon POR, 2020.02.02 Janik - Motylev, Lisbon 2020
Portugal Open Rapid 2020 Lisbon POR, 2020.02.02 Janik - Motylev, Lisbon 2020