create_arena

Create custom arena tournaments on Lichess by defining name, duration, variant, timing, and participation rules. Manage formats like chess960, atomic, and more for rated or casual play.

Instructions

Create a new arena tournament

Input Schema

Name	Required	Description	Default
`berserkable`	No	Whether players can use berserk
`clockIncrement`	No	Clock increment in seconds
`clockTime`	No	Clock initial time in minutes
`conditions`	No	Restrict participation
`description`	No	Tournament description (HTML)
`hasChat`	No	Whether players can discuss in a chat
`minutes`	No	Tournament duration in minutes
`name`	Yes	Name of the tournament
`position`	No	Custom initial position in FEN format
`rated`	No	Whether the tournament is rated
`startDate`	No	Timestamp to start the tournament at a given date
`streakable`	No	Whether players can get streaks
`variant`	No	Variant key	standard
`waitMinutes`	No	Time before tournament starts, in minutes

Input Schema (JSON Schema)

{
  "properties": {
    "berserkable": {
      "default": true,
      "description": "Whether players can use berserk",
      "type": "boolean"
    },
    "clockIncrement": {
      "default": 2,
      "description": "Clock increment in seconds",
      "type": "number"
    },
    "clockTime": {
      "default": 3,
      "description": "Clock initial time in minutes",
      "type": "number"
    },
    "conditions": {
      "description": "Restrict participation",
      "properties": {
        "allowList": {
          "description": "List of usernames allowed to join",
          "type": "string"
        },
        "maxRating": {
          "description": "Maximum rating allowed",
          "type": "number"
        },
        "minRating": {
          "description": "Minimum rating required",
          "type": "number"
        },
        "nbRatedGame": {
          "description": "Minimum number of rated games required",
          "type": "number"
        },
        "teamMember": {
          "description": "Team ID required to join",
          "type": "string"
        }
      },
      "type": "object"
    },
    "description": {
      "description": "Tournament description (HTML)",
      "type": "string"
    },
    "hasChat": {
      "default": true,
      "description": "Whether players can discuss in a chat",
      "type": "boolean"
    },
    "minutes": {
      "default": 45,
      "description": "Tournament duration in minutes",
      "type": "number"
    },
    "name": {
      "description": "Name of the tournament",
      "type": "string"
    },
    "position": {
      "description": "Custom initial position in FEN format",
      "type": "string"
    },
    "rated": {
      "default": true,
      "description": "Whether the tournament is rated",
      "type": "boolean"
    },
    "startDate": {
      "description": "Timestamp to start the tournament at a given date",
      "type": "number"
    },
    "streakable": {
      "default": true,
      "description": "Whether players can get streaks",
      "type": "boolean"
    },
    "variant": {
      "default": "standard",
      "description": "Variant key",
      "enum": [
        "standard",
        "chess960",
        "crazyhouse",
        "antichess",
        "atomic",
        "horde",
        "kingOfTheHill",
        "racingKings",
        "threeCheck"
      ],
      "type": "string"
    },
    "waitMinutes": {
      "default": 5,
      "description": "Time before tournament starts, in minutes",
      "type": "number"
    }
  },
  "required": [
    "name"
  ],
  "type": "object"
}

Lichess MCP

create_arena

Instructions

Input Schema

Input Schema (JSON Schema)

Other Tools from Lichess MCP

Related Tools

MCP directory API