Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=229
{ "count": 60700, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=230", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=228", "results": [ { "id": 269, "name": "'Hattori's Handijazz' phase 2", "director": { "id": 6261, "username": "hattori", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/117feac5cab765299651b18bf9bec0d5-64.png", "ratings": { "version": 5, "overall": { "rating": 1787.487830927605, "deviation": 62.09050958895292, "volatility": 0.05997636390715657 } }, "ranking": 28.36264392446813, "professional": false, "ui_class": "" }, "description": "", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 2592000, "time_increment": 172800 }, "is_open": true, "exclude_provisional": false, 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true, "group": null, "auto_start_on_max": false, "time_start": "2018-07-14T17:00:42.110376Z", "players_start": 60, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2018-07-14T17:01:40.205649Z", "ended": "2019-12-28T15:18:09.760620Z", "start_waiting": "2018-07-14T17:01:14.114233Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 63, "ranked": true }, { "id": 268, "name": "daily chinese 9x9", "director": { "id": 7781, "username": "ThornsFan", "country": "_LGBT", "icon": "https://user-uploads.online-go.com/4df0f17546b2749c9896c4ae9a13c66d-64.png", "ratings": { "version": 5, "overall": { "rating": 1337.368803584553, "deviation": 62.28802020597183, "volatility": 0.05974526744427295 } }, "ranking": 21.64666494164504, "professional": false, "ui_class": "" }, "description": "", "schedule": 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"hide_details": false, "member_count": 386, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2007-07-15T15:27:00Z", "ended": "2007-09-01T17:46:00Z", "start_waiting": null, "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 266, "name": "New players.", "director": { "id": 10642, "username": "NoScore", "country": "us", "icon": "https://secure.gravatar.com/avatar/b372af8571a3653efd0d3324a761486d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1291.1101396042034, "deviation": 67.62339703598686, "volatility": 0.06000042351282349 } }, "ranking": 20.831745990157398, "professional": false, "ui_class": "" }, 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"https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 0, "ranked": true }, { "id": 37076, "name": "Blitz 13x13 Swiss Tournament 2018-05-08 15:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260820T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-08-20T03:00:29.810399Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 13, "time_control_parameters": { "time_control": "byoyomi", 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