The Corus Legends

In addition to the super A group, B group and C group, Corus also has a special event with the 4 past winners:

GM Viktor Kortchnoi 1931 2611 won 4 times
GM Lajos Portisch 1937 2530 won 4 times
GM Jan Timman 1951 2559 won 2 times
GM Ljubomir Ljubojevic 1950 2550 won 1 time

http://www.coruschess.com/