How card statistic generated and how to know about tourneys?

Zerg-Shadow
1.I have noticed that in concstructed some card synergies have 100%?so is it so low amount of games?What games are counted in this statistic? 2. How to register the tourney? In game tourneys always empty.
licker34
I would also like to know where the statistics for cards are coming from. Thanks!
Zerg-Shadow
so what?how to contact with administration?