Mates Tuček wins 100 PSI Contest! Posted on August 23, 2015 by Effraim — Leave comments ↓ Photo: Waldemar Fatkin. Mates Tuček is on a bit of a roll recently, congratulations to Mates taking the win yesterday at the annual 100 psi contest held in Dresden, Germany. Waldemar Fatkin took the second spot followed by Kevin Nikulski.