
Garry Kasparov @Kasparov63
Happy Birthday to Rex, the world's greatest champion for chess! On my way to Saint Louis tomorrow. https://t.co/amyaxqhOX3 — PolitiTweet.org
Saint Louis Chess Club @STLChessClub
Happy Birthday to the #STLChessClub founder and president, Rex Sinquefield! https://t.co/OmTy2Bqsih