Oppgave 171786:
Oppgave 171786:
GM Vl Kovalev (2648) - GM Nguyen Duc Hoa (2406)
PNWCC Blitz Championship lichess.org INT (11), 2020.08.02 Kovalev - Nguyen Duc Hoa, PNWCC Blitz Championship 2020
PNWCC Blitz Championship lichess.org INT (11), 2020.08.02 Kovalev - Nguyen Duc Hoa, PNWCC Blitz Championship 2020