Standings after 4 rounds:
1-3 GM Nigel D. Short 2683, GM Sergey Tiviakov 2648, David Begoray 2063 3.5 points
4-39 GM Xiangzhi Bu 2685, GM Vadim Milov 2678, GM Kamil Miton 2648, GM Victor Mikhalevski 2601, GM Suat Atalik 2564, GM Chanda Sandipan 2563, GM Anton Shomoev 2561, GM Andrey V Rychagov 2557, GM Sipke Ernst 2555, GM Mark Bluvshtein 2520, GM David Howell 2519, GM Alex Yermolinsky 2517, GM Tomas Likavsky 2494, GM Hoang Thong Tu 2483, GM Bator Sambuev 2482, Nikolay Noritsyn 2446, IM Thomas Roussel-Roozmon 2414, IM Alexander Reprintsev 2410, IM Ekaterina Atalik, etc.
Website which shows full standings: http://www.islandnet.com/~jberry/cycc/4sO.htm
PGN realtime file of Round 4 is available at the Monroi site at: http://www.monroi.com/tournamentgate/CanOpen07/games.html
Official blog: http://www.canchess.blogspot.com
Who is this expert tying for 1st?
Just some guy with a pocket Fritz!
He drew against a 1898, and won against a 1982, 1863, and 2278. So 3.5 pts.