Mats Valk
Mats Valk is a Dutch Rubik's Cube speedsolver. He broke the Rubik's cube single solve world record twice with times of 5.55 seconds in 2013 and 4.74 seconds in 2016. He won the Rubik's Cube European Championship in 2018 and was runner-up for 3x3x3 at the Rubik's Cube World Championships in 2013 and 2015.
Biography
Valk was born and raised in Amstelveen, the Netherlands, a suburb of the Dutch capital Amsterdam.Valk is most famous for breaking the Rubik's cube world record twice and being the runner-up at both the Rubik's cube world championships of 2013 and 2015. He first broke the world record with a time of 5.55 seconds at the Zonhoven Open 2013 in Belgium on 3 March 2013. This record stood for over 2 years. He later broke the world record again with a time of 4.74 seconds at the Jawa Timur Open 2016 in Indonesia on 6 November 2016. In December 2016, Valk looked on as Feliks Zemdegs overtook his world record by just 0.01 seconds.
Valk has also set three 4x4x4 world records, two for single solve and one for an average of 5. His second single world record, 26.77 seconds on 15 April 2012, was the first official 4x4x4 solve under 30 seconds. Altogether, Valk has broken 5 WCA world records, 17 European records, and 127 Dutch national records. Valk also currently holds the world record for solving the most Rubik's cubes in 1 hour, 374 cubes, set in Paris on 21 October 2015.
Valk is also known as a creator of the VLS 3x3x3 algorithm set, which correctly orients the last layer while inserting the last corner-edge pair of the first two layers. Valk used one of these algorithms to complete the cube in his 2016 3x3x3 world record.