BEST ODDS - The best odds are take from 1-3 bookmakers depending on what odds are available for the matches. ON the page for the match you can see the bookmakers. CLUBELO ODDS - Sourced from the clubelo.com website. Elo system with a few modifications (home field advantage, goal difference, inter-league adjustments) is used to determine the club's Elo values. The match odds are based on a result histogram for the two club's Elo difference. Read more here. TSR - Total shots ratio (TSR) = Total shots for/(Total shots for + Total shots against) and is a very good predictor of a team's future performance. James Grayson has written a lot about this and you can read here and also so has Martin Eastwood.