The score says how it ended. xG says how it should have ended: it is the sum of the chances each shot was worth, not an opinion about the game.
A draw, but Athletic Club created more (1.46 xG against 0.05) — points dropped.
| Team | Goals | xG | Goals − xG | Expected points |
|---|---|---|---|---|
| Athletic Club | 0 | 1.46 | −1.5 | 2.49 |
| Alavés | 0 | 0.05 | −0.1 | 0.27 |
Athletic Club: −4.2 for the season (10 in the table). Alavés: −0.5 (6). The gap between points and xPTS is built from matches like this one.