 Jan-Krzysztof Duda of Poland scored an impressive win against Moldova's Viorel Iordăchescu to join grandmasters Vidit Santosh Gujrathi, Hjorvar Steinn Grétarsson and Ian Nepomniachtchi as only players scoring 5 out of 5 in the first five rounds.In a game that was opened with the with Steinitz's 4. d3, Duda came with an original idea on the move 11, which allowed him to develop a strong play with his rooks on the c-file and later sacrifice an exchange on c6 to get a winning position.Despite his win, the match ended in a tie.