Training was super cheap. It would cost under $150 on cloud computing services.
The training aspect has some improvements but is at its core similar to Libratus. The search algorithm is the biggest difference.
There aren't that many great resources out there for helping new people get caught up to speed on this area. That's something we hope to fix in the future. Maybe this would be a good place to start? http://modelai.gettysburg.edu/2013/cfr/cfr.pdf
The training aspect has some improvements but is at its core similar to Libratus. The search algorithm is the biggest difference.
There aren't that many great resources out there for helping new people get caught up to speed on this area. That's something we hope to fix in the future. Maybe this would be a good place to start? http://modelai.gettysburg.edu/2013/cfr/cfr.pdf