Blitz: Rounds 10-18The Saint Louis Rapid and Blitz, the fourth leg of the 2026 Grand Chess Tour, is being held at the renowned Saint Louis Chess Club from 2 to 6 August. The tournament uses the familiar rapid and blitz format. Rapid games count double: a win is worth 2 points, a draw 1 point and a loss 0 points. The blitz section will then consist of a double round-robin, with 18 rounds across two cycles. The player with the highest combined rapid and blitz score will win the tournament.