Betting strategy on the most underrated events , otherwise known as «value betting». In general, strictly speaking , then you did not put, you play for this strategy. And when you consider that the proposed outsider is not so bad, and the rate on the account , and when choosing a match to bet on deletion. Are you looking for a bookmaker and error if you are right , its find. There is a formula that shows how the event is undervalued :  

1, где А это кеф букмекера, а В — оценка вероятности события с вашей точки зрения числом от 0 до 1. ">A x B > 1 , where A is kef bookmaker and B — Assessment of probability of an event from your perspective a number from 0 to 1.  

Imagine , we have a bag of 10 balls, the contents of which we can not see . They're inside . We know that from 10 balls one black and the other white . We need to pull the black ball on the first try . And here comes into play usually factor ! If we are for what we're gonna get a black ball, increase our rate of 8 times , it is not worth playing . And if you promise to increase our bet , for example , 12 times , then play need! Because in the long run we will pull out the same amount of time as the white and black balls! But kef plays for us, because only 10 balls , and he's a factor of 12 !  

As you can see , this long-term strategy . If all conditions are met, then you are sure to get their profits , but not immediately. Of course, if you win the dispute Correspondence bookmakers assessment event.