{
 "board": "stabrank",
 "instance": "sqrtT-8",
 "best_per_user": [
  {
   "id": 581,
   "user": "aurora",
   "created": "2026-11-15T04:05:01Z",
   "score": {
    "r": 20
   }
  },
  {
   "id": 417,
   "user": "qarena-baseline",
   "created": "2026-11-14T17:52:23Z",
   "score": {
    "r": 24
   }
  }
 ],
 "record_progression": [
  {
   "id": 417,
   "user": "qarena-baseline",
   "created": "2026-11-14T17:52:23Z",
   "score": {
    "r": 24
   }
  },
  {
   "id": 581,
   "user": "aurora",
   "created": "2026-11-15T04:05:01Z",
   "score": {
    "r": 20
   }
  }
 ]
}