Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1321
{ "count": 59673, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1322", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=first_pairing_method&page=1320", "results": [ { "id": 24544, "name": "Correspondence 13x13 RoundRobin 2017-02-09 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:20260516T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-05-16T19:00:50.176550Z", 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Please don't join unless you plan to play actively and are not going on vacation. The tournament will begin when 10 people have joined.", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 11520, "time_control_parameters": { "total_time": 1036800, "time_control": "absolute" }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 822, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": true, "time_start": "2015-05-06T15:40:00Z", "players_start": 10, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 30, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2015-08-30T01:07:40.315552Z", "ended": "2015-10-16T15:57:12.744115Z", 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{ "id": 1127906, "username": "kanggai", "country": "my", "icon": "https://secure.gravatar.com/avatar/99e67fa6704da6719e7d14d69a056a53?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2091.162115315646, "deviation": 178.3946134382648, "volatility": 0.060013367638090016 } }, "ranking": 31.99508171365233, "professional": false, "ui_class": "provisional" }, "description": "Bro-yomi ,Main time 7 days , Time per period 1 day*5 , Pause on Weekends", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13857, "name": "🇲🇾 Malaysia Team", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": true, 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