_:vb7488959 "Muzychuk, 27, is the reigning women\u2019s world champion in both rapid and blitz chess."@en . _:vb7488959 "2017 December 28, Des Bieler, \u201CChess champion refuses to defend titles in Saudi Arabia to protest treatment of women\u201D, in The Washington Post\u200E[1]:"@en . "1" . . _:vb7488956 . . . _:vb7488958 "2018 November 27, Kabir Chibber, \u201CWhat will happen on the final day of the World Chess Championship\u201D, in Quartz\u200E[1]:"@en . _:vb7488956 "(chess) Chess played at a quick time control, with each side getting about five minutes to make their moves. Blitz chess is played at a variety of time controls, primarily 3+0 (three minutes per side), 3+2 (three minutes per side plus two extra seconds per move), 5+0, and 5+3."@en . _:vb7488957 "2013 June 24, Mark Samuelian, \u201CSpeed Chess Changed My Brain\u201D, in The Atlantic\u200E[1]:"@en . _:vb7488958 "If there\u2019s still no winner, the players move on two games of blitz chess. There, each player is limited to only five minutes, with three seconds added after each move. If there is no winner, they play a further two games of blitz chess."@en . _:vb7488957 . _:vb7488958 . _:vb7488959 . _:vb7488957 "What I had played was chess. Specially, I knocked out some 2,000 games of speed (or \"blitz\") chess in the two months leading up to the tournament. In fact, I played so much that I'm currently in the top half-percent of more than 1.3 million of blitz players at an online chess competition site."@en .