Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1090
{ "count": 59589, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1091", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1089", "results": [ { "id": 48450, "name": "Correspondence 9x9 RoundRobin 2019-05-16 20:07", "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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260508T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-05-08T19:00:49.607793Z", 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"2022-04-26T13:59:33.891365Z", "start_waiting": "2021-10-28T07:20:50.596928Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 14, "ranked": true }, { "id": 36007, "name": "Tournament 45", "director": { "id": 12573, "username": "Misawa", "country": "us", "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png", "ratings": { "version": 5, "overall": { "rating": 977.5796256115817, "deviation": 69.02183474866371, "volatility": 0.05986671976150141 } }, "ranking": 14.391926363316212, "professional": false, "ui_class": "" }, "description": "How can it be April already?!? Time flies! Just like it will in this tournament. 36 hours per move.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 262080, "time_control_parameters": { "period_time": 259200, "main_time": 259200, "system": "canadian", "pause_on_weekends": true, "time_control": "canadian", "stones_per_period": 1, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 343, "name": "Global Go Club", "summary": "Open Go club for people anywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 590, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png" }, "auto_start_on_max": false, "time_start": "2018-04-30T06:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": 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