Here are some tips to improve your chances to win with bookmakers :

You can choose to bet on 1.01 and 1.10 odds, which guarantees you an 80% chance of winning.

Select sports or games, such as tennis and basketball, with no possible ties.

Select a website like Bwin, which allows you to bet on live. For example, you can bet up to the 90 minutes of a football game. A team which is leading with a 2-0 score at the end of the game is rarely caught up and is therefore very likely to win.

The following method gives you a 100% chance of winning: The surbet

A surebet is a riskless bet, which means that you are sure to make a profit whatever the result of the game.

Sometimes, bookmakers offer very different odds on the same event. These differences allow you to place a bet on all the result possibilities regarding the event, which ensures you to make a profit.

You have to subscribe to at least two different bookmakers to be able to make a surebet.

Therefore, you must collect the odds from two bookmakers to detect the odd differences with a range of results on a same game. A simple arithmetic calculation allows you to do this analysis.

Here is an example for a better understanding :

 
Team A wins
Tie
Team B wins
Bookmaker A
1,9
3,1
4,2
Bookmaker B
1,6
3,4
6

Surbet calculation : 1/1,9 + 1/3,4 + 1/6 = 0.987 < 1

Surbet calculation: 1/1,9 + 1/3,4 + 1/6 = 0.987 < 1

The surbet calculation is below 1, then you will make a profit on this event.

Here is a detailed explanation of the much talked-about calculation.

Collect the three highest odds from two bookmakers for each of the three possible results (Team A wins, Tie, Team B wins).

When Team A wins at bookmaker A (odd = 1,9 because 1,9 is higher than 1,6)
Tie at bookmaker B
When Team B wins at bookmaker B (odd = 6 because 6 is higher than 4,2)

Surbet
=
(1/Best odds "Team A wins")
+
(1 /Best odds "Tie")
+
(1/Best odds "Team B wins")

In this example, we get: Surbet = 1 / 1,9 + 1 / 3,4 + 1 / 6 = 0.987

The surbet calculation is below 1. You are sure to win this bet.