In the fourth round, Rajabov was stronger than Jan-Krzysztof-Duda (2.5 - 1.5), and Maxime Vachier-Lagrave lost to Mammadyarov.
The Azerbaijani chess players lost in the previous three rounds.
A four-game match is played in each round. In the case of a tie, the winner is determined in two blitz games. If after them the score remains equal, then "Armageddon" follows. Three points are awarded for a victory in rapid chess (zero - for a defeat), and two points - for a victory in a tie-break (one for a defeat).
The prize fund of the tournament is $100,000.
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