Children play chess at the Tata Steel Chess Tournament 2017 in Haarlem, the Netherlands, Jan. 25, 2017. (Xinhua/Sylvia Lederer)
Magnus Carlsen of Norway plays against Pentala Harikrishna of India during the 10th round match of masters at the Tata Steel Chess Tournament 2017 in Haarlem, the Netherlands, Jan. 25, 2017. (Xinhua/Sylvia Lederer)
Wei Yi (R) of China plays against Pavel Eljanow of Ukraine during the 10th round match of masters at the Tata Steel Chess Tournament 2017 in Haarlem, the Netherlands, Jan. 25, 2017. (Xinhua/Sylvia Lederer)
