The game "Salgado L, Iván vs Arroyo R, Jesús, 83rd ESP-ch 1-0", shows this annotation after the last move:
Precision: White = 93%, Black = 18%.
What does that phrase mean?
Check https://es.chessbase.com/post/sabrina-vega-y-salvador-del-rio-de-angelis-campeones-de-ajedrez-de-espana-2018 for more information.