                 title: 'Opponent User ID'
                 description: 'The user ID of an opponent'
                 type: ['object','string']
+              name:
+                title: 'Opponent name'
+                description: 'The name of the opponent'
+                type: 'string'
+              totalScore:
+                title: 'Opponent total score'
+                description: 'The totalScore of a user when the match was computed'
+                type: 'number'
               metrics:
                 type: 'object'
                 properties:

        date: c.date
          title: 'Date computed'
          description: 'The date a match was computed.'
        metrics:
          type: 'object'
          title: 'Metrics'

    type: 'string'
    default: 'javascript'
    
  playtime:
    type: 'number'
    title: 'Playtime'
    default: 0
    description: 'The total playtime on this session'
    
  teamSpells:
    type: 'object'
    additionalProperties:
