If everyone starts from the same number, there can be no strategy that guarantees victory unless ridiculous assumptions are made. Of course using psychology and studying playing trends etc could give you an advantage and enable a player to win more than the expected number of games, the simple fact is that no strategy can guarantee victory.

Similar claims were made by hedgefund owners for a while as well, until Russia defaulted on debts amongst other things. It is simply impossible to model human behaviour with no uncertainty.