Chinese Open Chess Championship 2021 is ongoing in Xinghua Jiangsu, being played from May 7- May 15.
The event is a 11 rounds, robin-round system, with 11 Grandmasters and one International master. The top seeds are GM Wei Yi and GM Yu Yangyi, both rated above 2700.
After round 4 Xu Zhihang, Xu Xiangyu, and Lu Shanglei lead with 2,5/4.
Back in time: Wei Yi and Lei Tingjie are 2017 Chinese Chess Champions