{
 "board": "andcount",
 "instance": "mult-2",
 "best_per_user": [
  {
   "id": 6,
   "user": "qarena-baseline",
   "created": "2026-11-14T07:48:34Z",
   "score": {
    "r": 3,
    "xor": 4
   }
  }
 ],
 "record_progression": [
  {
   "id": 6,
   "user": "qarena-baseline",
   "created": "2026-11-14T07:48:34Z",
   "score": {
    "r": 3,
    "xor": 4
   }
  }
 ]
}