谜题 174175: 黑方防守
IM Mahadevan Siva (2349) - GM Nikita Vitiugov (2722)
Titled Tue 11th Aug chess.com INT (5), 2020.08.11
Titled Tue 11th Aug chess.com INT (5), 2020.08.11
移动棋子来解开谜题
移动棋子来解开谜题