Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=player_count&page=991
{ "count": 59271, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=992", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=player_count&page=990", "results": [ { "id": 111085, "name": "Live 9x9 Double Elimination Tournament 2023-12-28 10:30", "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:20260203T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-03T14:01:04.504034Z", 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"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:20260203T140000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-02-03T14:01:04.504034Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": 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"player_count": 4, "ranked": true }, { "id": 109811, "name": "好歐要幹嘛", "director": { "id": 1157042, "username": "CLOUDYUN0314", "country": "_United_Nations", "icon": "https://user-uploads.online-go.com/4ce2ecbf6cb32e58bb0470e7bc76099b-64.png", "ratings": { "version": 5, "overall": { "rating": 1194.817179838104, "deviation": 63.42281119651936, "volatility": 0.060002231038928516 } }, "ranking": 19.037407187574438, "professional": false, "ui_class": "" }, "description": "別人說要ㄉ", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 35, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 600, "max_time": 2400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11980, "name": "Not bad", "summary": "This is a friendly Go group, we will have competitions, the first place can win the administrator position, 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"https://user-uploads.online-go.com/8d7bc2c84956fb468115899223cf8f6e-64.png", "ratings": { "version": 5, "overall": { "rating": 1922.3348068513528, "deviation": 66.66924112373165, "volatility": 0.06011736128080924 } }, "ranking": 30.046327330598515, "professional": false, "ui_class": "" }, "description": "nhóm lập lâu rồi mà vắng tanh vậy ?", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 56, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 45, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4021, "name": "Cờ vây Việt Nam - Vietnam's Go", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 156, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, 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