Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=5439
{ "count": 60043, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=5440", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=5438", "results": [ { "id": 11881, "name": "Correspondence 9x9 RoundRobin 2015-10-25 01:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260625T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-06-25T19:00:16.324698Z", "lead_time_seconds": 86400, 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true, "exclusivity": "open", "started": "2024-08-07T12:14:52.797313Z", "ended": "2024-12-18T13:54:46.339823Z", "start_waiting": "2024-08-07T12:14:52.652142Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 8, "ranked": true }, { "id": 11827, "name": "Live 9x9 Double Elimination Tournament 2015-10-22 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:20260625T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, 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