To be integrated on #264 ## Coherence score `score` goes from 0 to 100 `score` = 100 * `number of coherent votes` / (`number of votes` + `smoothing factor`) if `number of votes` == 0 then `score` = 0 `smoothing factor` = 10 ## Level | Coherence score | Level | Title | | --- | --- | --- | | `0 <= score < 20` | 0 | Diogenes | | `20 <= score < 40` | 1 | Pythagoras | | `40 <= score < 60` | 2 | Socrates | | `60 <= score < 80` | 3 | Plato | | `80 <= score` | 4 | Aristotle |