Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=min_ranking&page=1424
{ "count": 58823, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=min_ranking&page=1425", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=min_ranking&page=1423", "results": [ { "id": 13096, "name": "Tournament For Beginner", "director": { "id": 186301, "username": "Raihan", "country": "id", "icon": "https://user-uploads.online-go.com/4984805ff21e73462a4cf70f191859d9-64.png", "ratings": { "version": 5, "overall": { "rating": 1418.9614208827593, "deviation": 67.30382126352288, "volatility": 0.06009590627586858 } }, "ranking": 23.017633547184882, "professional": false, "ui_class": "" }, "description": "Everyone can join\nJust normal 9 x 9 game", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "time_control": "simple", "per_move": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 28, "name": "Teaching League", 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8, "ranked": true }, { "id": 44501, "name": "Correspondence 9x9 RoundRobin 2019-01-10 19:00", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260228T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-02-28T19:00:40.650213Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, 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"2019-01-10T19:01:22.859476Z", "ended": "2019-03-01T19:33:36.264046Z", "start_waiting": "2019-01-10T19:01:19.896982Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 12341, "name": "Live 9x9 Double Elimination Tournament 2015-11-10 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": false, "ui_class": "supporter moderator admin" }, "description": "Automatic Sitewide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260303T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": 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"periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2016-01-20T06:30:24.598926Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-01-20T06:33:26.315140Z", "ended": "2016-01-20T07:08:34.919328Z", "start_waiting": "2016-01-20T06:33:26.200571Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 4, "ranked": true }, { "id": 12454, "name": "Live 9x9 Double Elimination Tournament 2015-11-15 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": 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