Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=3840
{ "count": 59478, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=3841", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=3839", "results": [ { "id": 68665, "name": "Live 9x9 Double Elimination Tournament 2020-12-07 02:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/a87ff679a2f3e71d9181a67b7542122c?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260426T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-26T22:00:48.864508Z", 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"un", "icon": "https://secure.gravatar.com/avatar/f10896ee85c844f8c97d54b08cb9bcc8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1925.852111785181, "deviation": 170.84309282959532, "volatility": 0.059999538446069485 } }, "ranking": 30.08864628943017, "professional": false, "ui_class": "provisional" }, "description": "最強決定戦", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 569, "name": "恵方棋院", "summary": "kgsが長期間落ちてるときなど避難用に使ってください", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://user-uploads.online-go.com/4d28ab9a23e3efa5faeeaefaadcda233-64.png" }, 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