The 7th edition of the GM Norm Invitational returns to Saint Louis with the 2015 CCSCSL GM Norm Closed. All ten players, 3 Grandmasters and 7 International Masters, will compete for prizes in this six day event. Only the seven IM's will compete to earn a Grandmaster norm. The IM's need to achieve a result of 6/9 and a tournament-performance rating of 2600.
