Mats Valk invites you to the WCA European Championship on Vimeo
WHAT CAN WE LEARN FROM MATS VALK 4.74 WORLD RECORD SOLVE? - YouTube
Amsterdammer Mats Valk eerste op EK Rubik's Cube | Het Parool
Mats Valk - Speedcuber - Stumbled upon this picture with @seanvillcubing, taken just after he came second at the world championship last summer. Last weekend, he became the third person to break