org.lichess.puzzle.getRandom

{
  "$type": "com.atproto.lexicon.schema",
  "defs": {
    "main": {
      "description": "Get a random chess puzzle. Optionally filter by a target rating (a random puzzle within 100 of it is returned) and/or themes (matching at least one). With no parameters, returns a truly random puzzle from the dataset with no filtering.",
      "errors": [
        {
          "description": "No puzzle matches the given rating and/or theme filters.",
          "name": "PuzzleNotFound"
        }
      ],
      "output": {
        "encoding": "application/json",
        "schema": {
          "ref": "org.lichess.puzzle.defs#puzzleView",
          "type": "ref"
        }
      },
      "parameters": {
        "properties": {
          "rating": {
            "description": "a target Glicko-2 rating; a random puzzle whose rating is within 100 of this value is returned. When omitted, rating is not filtered.",
            "minimum": 0,
            "type": "integer"
          },
          "themes": {
            "description": "restrict the result to puzzles matching at least one of these themes (e.g. \"fork\", \"endgame\"). When omitted, themes are not filtered.",
            "items": {
              "type": "string"
            },
            "type": "array"
          }
        },
        "type": "params"
      },
      "type": "query"
    }
  },
  "id": "org.lichess.puzzle.getRandom",
  "lexicon": 1
}