{
  "params": {
    "piece": {
      "type": "choice",
      "options": [
        "set",
        "pawn",
        "rook",
        "knight",
        "bishop",
        "queen",
        "king"
      ],
      "default": "set",
      "label": "Piece",
      "describe": "set (board with all 32 pieces in the starting position), or one piece on its own: pawn, rook, knight (horse head), bishop (mitre), queen (coronet) or king (crown with an orb finial)."
    },
    "theme": {
      "type": "choice",
      "options": [
        "classic",
        "marble",
        "tournament",
        "fantasy"
      ],
      "default": "classic",
      "label": "Theme",
      "describe": "classic (maple and walnut board, boxwood and ebony pieces), marble (white and grey marble, black and white stone), tournament (cream and green board, plastic pieces), fantasy (cream and violet board, red army against blue army)."
    },
    "side": {
      "type": "choice",
      "options": [
        "white",
        "black"
      ],
      "default": "white",
      "label": "Side",
      "describe": "Colour of a single piece (ignored for the full set). In the fantasy theme white is red and black is blue."
    },
    "scale": {
      "type": "range",
      "min": 1,
      "max": 20,
      "step": 1,
      "default": 1,
      "label": "Scale",
      "describe": "Uniform scale over real size. 1 is a real tabletop set; 10 makes a 95 cm king for a giant-chess garden or a puzzle level."
    }
  },
  "presets": {
    "marble set": {
      "theme": "marble"
    },
    "giant knight": {
      "piece": "knight",
      "scale": 10,
      "theme": "classic",
      "side": "black"
    },
    "red vs blue": {
      "theme": "fantasy"
    }
  },
  "night": null
}