Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1106
{ "count": 60594, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1107", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1105", "results": [ { "id": 18382, "name": "Correspondence 13x13 RoundRobin 2016-06-20 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260811T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-08-11T19:00:29.323719Z", 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"2024-04-24T00:27:53.412500Z", "start_waiting": "2023-09-02T19:01:10.968326Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 101729, "name": "Correspondence 9x9 RoundRobin 2023-04-01 19:00", "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:20260809T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-09T19:00:29.167284Z", "lead_time_seconds": 86400, 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Join, play tournaments, and have fun. 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