Many gambling games include elements of physical training or strategy with an element of chance. The game called Poker, as well as many other gambling games, is a combination of case and strategy. Bets for races and athletic competitions include consideration of physical abilities and other elements of mastery of competitors. Such corrections as weight, obstacle etc. can be introduced to convince participants that chance is allowed to play an important role in determination of results of such games, in order to give competitors approximately equal odds to win. Such corrections at payments can also be entered that the probability of success and the size of payment become inversely proportional to one another. For example, the sweepstakes reflects the estimation by participants of different horses chances.

Individual payments are great for those who stake on a win on horses on which few people staked, and are modest when a horse wins on which many bets were made. The more popular is the choice, the smaller is the individual win. The same rule is also valid for rates of handbook men at athletic competitions (which are forbidden in the majority states of the USA, but are legalized in England). Handbook men usually accept rates on result of the match which is considered to be a competition of unequal opponents. They demand the party, whose victory is more probable, not simply to win, but to get odds in the certain number of points. For example, in the American or Canadian football the team, which is more highly rated, should get more than ten points to bring equal payments to persons who staked on it. Unfortunately, it is possible to intervene in all these procedures that support the influence of the case. Cheating is possible and quite probable in all kinds of gambling games.