Betting rating shows Profit/Loss if you bet on EVERY MATCH
of a player during last 52 weeks.

Bet amount calculation:
100 units bet on favourite,
50 units bet on underdog (odds over 1.91)

WARNING: it's not a betting strategy.
This rating shows players, who were overestimated or underestimated by bookmakers
during last 52 weeks.
It can be used for retrospective analysis, not for predictions.