From Speedsolving.com Wiki
Mats Valk is a Dutch speedcuber. He has been one of the fastest 3x3 and 4x4 solvers in the world since 2009. He has set 4x4 single and average world records in 2011 and 2011. He has also set European records in 3x3, 4x4, 2x2, and 3x3 OH.
- Mats Valk's YouTube channel
- Speedsolving.com: Mats Valk just got a 6.84 single!
- Speedsolving.com: Mats Valk's 6.41 European Record at 2011 Dutch Open (with close up & slow mo)
- Speedsolving.com: Mats Valk official 3x3 average: 7.77