The page http://www.benjoffe.com/holdem_files/heuristic.html http://www.benjoffe.com/holdem_files/heuristic.html is running the two-player case. It seems to be

The page http://www.benjoffe.com/holdem_files/heuristic.html http://www.benjoffe.com/holdem_files/heuristic.html is running the two-player case. It seems to be using a Javascript hill-climbing algorithm: pick a scoring function which measures how good the solution is, then start from a random deck and try small changes, keeping them only if the score improves.