Chinese grand master (GM) Bu Xiangzhi defeated Norwegian GM Magnus Carlsen 4-1 in their two-game match on Wednesday at the Blindfold Chess World Cup Bilbao-2007 in Spain.
The 22-year-old, who was the youngest chess player in world history to obtain the GM chess title when he was just 13 years old, thus demonstrated China's chess power and leads the tournament with a wide 3-point margin.
Also on Wednesday, GM Sergei Karjakin beat Hungarian GM Judith Polgar 4-1 and Indian GM Pentala Harikrishna won 4-1 over former world chess champion, Bulgarian Veselin Topalov.
The standings after the 4th round are as follows: Bu is the absolute leader with 8.0 puntos, while Karjakin, Harikrishna and Carlsen have 5.0 points each, and Topalov and Polgar are tail enders with four points each.
Next match-ups for the 5th round on Thursday at 18:30 local time (20:30 GMT) are as follows: Harikrishna versus Polgar, Bu versus Topalov, and Karjakin versus Carlsen.
And the pairings for the 6th round on Thursday at 19:30 local time (21:30 GMT) are as follows: Polgar versus Harikrishna, Topalov versus Bu, and Carlsen versus Karjakin.
For each game, the winners earn three points while losers get zero, and a draw will give the rivals one point each.
The 10-round tournament is slated from Tuesday to Saturday (on October 16-20) in Bilbao, Spain at Bilbao's Sheraton Hotel.
<i> Source: Xinhua</i>