Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=611
{ "count": 59311, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=612", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=610", "results": [ { "id": 9487, "name": "Live 9x9 Double Elimination Tournament 2015-07-29 14:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260411T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-11T14:00:34.788969Z", 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"2015-05-05T19:34:34.665327Z", "start_waiting": "2015-05-05T18:30:42.074351Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 11, "ranked": true }, { "id": 6772, "name": "Orion 5 19x19 April 2015", "director": { "id": 66704, "username": "mita va", "country": "at", "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png", "ratings": { "version": 5, "overall": { "rating": 759.0895933739188, "deviation": 64.04579817471597, "volatility": 0.059138748769498185 } }, "ranking": 8.535903863367386, "professional": false, "ui_class": "supporter" }, "description": "tfz hbuj", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "time_control": "byoyomi", "period_time": 25, "main_time": 150, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 357, "name": "ORION", 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