Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-board_size&page=3955
{ "count": 59413, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=3956", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-board_size&page=3954", "results": [ { "id": 95042, "name": "Live 9x9 Double Elimination Tournament 2022-09-27 06:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260420T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-04-20T18:00:57.008241Z", 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"description": "Special league for players between 25kyu and 10kyu. 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"exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-07-24T14:30:07.131617Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-07-24T14:30:10.471663Z", "ended": "2016-07-24T15:45:35.884318Z", "start_waiting": "2016-07-24T14:30:08.897581Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 13, "ranked": true }, { "id": 19034, "name": "Live 9x9 Double Elimination Tournament 2016-07-15 22:30", "director": { "id": 4, "username": "matburt", "country": "us", "icon": "https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1125.8827017028436, "deviation": 78.19731452501959, "volatility": 0.06006087171771568 } }, "ranking": 17.66169912212786, "professional": 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"saleprepcg4.03", "country": "un", "icon": "https://secure.gravatar.com/avatar/3662fb542b57b81063bae38d4018d09e?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 853.1926391158355, "deviation": 226.09382822289476, "volatility": 0.06000296938979042 } }, "ranking": 11.24134128592415, "professional": false, "ui_class": "provisional" }, "description": "มาล้อมกันเถอะ", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 86400, "max_time": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 9094, "name": "PCG 2021", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 206, "icon": 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