C168
At first, Wu thought Mu Yifan was just to please Zhan Guoxiong, to accompany Zhan Guoxiong to pass the boring time.
However, when he saw the match between Mu Yifan and Zhan Guoxiong, he realized that Mu Yifan's chess skills were pretty good. Mu Yifan's chess skills were even better than Zhan Guoxiong's, to the point that they were on par with each other