by Jennifer Shahade

After four rounds of the Biel International Chess Festival (July 23-August 2), Alexander Onischuk shares the lead with 3/4 with Magnus Carlsen. Onischuk won against super GM Grischuk in round two, and just defeated Loek Van Wely in a beautiful sacrificial game.

Biel International Chess Festival (July 23-August 2)
Standings after four rounds
1-2- Alexander Onischuk and Magnus Carlsen- 3/4
3- Boris Avrukh- 2.5/4
4-8- Judit Polgar, Alexander Motylev, Teimour Radjabov, Yannick Pelletier- 2/4
9- Bu Xianghzi, Alexander Grischuk 1.5/4
10- Loek Van Wely- .5/4

Here are Alex's two wins:

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Today, Carlsen defeated Alexander Motylev in a wild game to join Alex Onischuk in a share for the lead:

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