ST. LOUIS, October 23, 2017 - The Saint Louis Chess Club will host a series of four matches, the Champions Showdown, November 9-14. In an exciting twist, the three top American players and current World Champion, Magnus Carlsen, will face their opponents in 10 games of rapid and 20 games of blitz. Tournament play will begin November 9 at 1 p.m., with World Champion Magnus Carlsen and No. 1 Chinese Grandmaster Ding Liren beginning November 11 at 1 p.m.