Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-max_ranking&page=3382
{ "count": 59727, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=3383", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-max_ranking&page=3381", "results": [ { "id": 18071, "name": "Correspondence 13x13 RoundRobin 2016-06-08 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:20260522T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-22T19:00:16.590557Z", "lead_time_seconds": 86400, 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"first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2017-02-16T01:31:24.711108Z", "ended": "2017-02-16T03:55:11.131235Z", "start_waiting": "2017-02-16T01:31:24.242645Z", "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": 17785, "name": "Blitz this plox (number 2)", "director": { "id": 237158, "username": "KayoHinazuki", "country": "nz", "icon": "https://user-uploads.online-go.com/d4ea662480f07f544aee270dd81a8737-64.png", "ratings": { "version": 5, "overall": { "rating": 1511.0565920361616, "deviation": 63.967486079391776, "volatility": 0.05990920813732416 } }, "ranking": 24.473396426806328, "professional": false, "ui_class": "" }, "description": "I didn't get to play in the last one", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, 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Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8892, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": true, "time_start": "2016-05-29T11:26:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2016-05-29T11:26:31.947025Z", "ended": "2016-05-29T11:50:33.212076Z", "start_waiting": "2016-05-29T11:26:31.835859Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 3, "ranked": true }, { "id": 17869, "name": "Live 9x9 Double Elimination Tournament 2016-05-31 10:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": 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