Tobias "KTPOKP" Kuder is German high stakes player.
Kuder or "KTPOKP" is a fairly new player at the High Stakes tables on PokerStars, the first time we spotted him was in March 2012.
By the end of October the same year he showed a profit of over 700K, this without playing any games at stakes higher than $50/$100, and a part from some occasional hands of PLO it seems like it's all about NLHE. I guess the selection of stakes is because NLHE games bigger than that, rarely runs on Stars and when they do, they sure aren't easy to beat.
On Full Tilt Poker "KTPOKP" played true Nosebleeds, $500/$1000, but was only active, off and on, for a period of 7 months and logged just 16K hands.
We are just speculating here, but we consider it to be highly likely that Kuder has been active on European sites in between (maybe even during) his Full Tilt Days and the arrival at PokerStars.