पहेली 781712:
पहेली 781712:
P. Koc (2346) - IM Alexander Costello (2224)
chess.com SpeedChess Q2Sw chess.com INT (13), 2022.11.12 Koc - Costello, chess.com SpeedChess Q2Sw 2022
chess.com SpeedChess Q2Sw chess.com INT (13), 2022.11.12 Koc - Costello, chess.com SpeedChess Q2Sw 2022