Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=board_size&page=135
{ "count": 60590, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=136", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=board_size&page=134", "results": [ { "id": 128461, "name": "Live 9x9 Double Elimination Tournament 2025-05-14 22:30", "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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260811T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-08-11T22:00:29.184409Z", 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0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2015-12-17T18:30:34.084943Z", "ended": "2015-12-17T19:16:35.124155Z", "start_waiting": "2015-12-17T18:30:33.900193Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 139212, "name": "Live 9x9 Double Elimination Tournament 2026-04-12 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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": 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"description": "Special league for players between 25kyu and 10kyu. 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