Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=tournament_type
{ "count": 59948, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=tournament_type&page=2", "previous": null, "results": [ { "id": 3930, "name": "Live 9x9 Double Elimination Tournament 2015-01-03 18:30", "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:20260617T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-06-17T14:00:19.450173Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": 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0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-07-21T22:30:05.294100Z", "ended": "2015-07-21T23:35:46.461126Z", "start_waiting": "2015-07-21T22:30:05.141675Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 9, "ranked": true }, { "id": 104659, "name": "Live 9x9 Double Elimination Tournament 2023-06-23 14:30", "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": 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