Puzzle 415069:
Puzzle 415069:
GM Dmitrij Kollars (2621) - GM M. Amin Tabatabaei (2639)
FIDE Grand Swiss 2021 Riga LAT, 2021.11.06 Kollars - Tabatabaei, Riga 2021
FIDE Grand Swiss 2021 Riga LAT, 2021.11.06 Kollars - Tabatabaei, Riga 2021