But just "how accurate"? Means in number.


And, if you win, how much your edge over the specified winning odds given by the bookmaker.
Can you calculate it?
Or in plain language, if based on your calculation, team A chance of winning is 55%, and the odds of bookmaker is 2, while based on your calculation, it's should be 1.81, then you have made a positive EV (expected value) bet. In the long run, there is no way you lose if you keep making bet like that.
Can you calculate those winning %?