問題 171666:
問題 171666:
GM Aleksandar Indic (2618) - GM A. Rychagov (2545)
PNWCC Blitz Championship lichess.org INT (8), 2020.08.02 Indic - Rychagov, PNWCC Blitz Championship 2020
PNWCC Blitz Championship lichess.org INT (8), 2020.08.02 Indic - Rychagov, PNWCC Blitz Championship 2020