https://science.sciencemag.org/conte...4/418.full.pdf
Here is an article for anyone that has played against a pokerbot either unwittingly or knowingly. When these things start getting migraines then I will begin to get concerned...
As always, it's a good idea to peek under the curtain and look at the wizard:
http://www.cs.cmu.edu/~sandholm/
e pluribus unum