Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5498
{ "count": 59112, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5499", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5497", "results": [ { "id": 120292, "name": "Система периметра", "director": { "id": 891706, "username": "HonkeyKong", "country": "us", "icon": "https://user-uploads.online-go.com/e7fe07fb212b0d381b223107eecb91d0-64.png", "ratings": { "version": 5, "overall": { "rating": 1287.5784391996256, "deviation": 64.24883341208525, "volatility": 0.05997172598801884 } }, "ranking": 20.768334753797017, "professional": false, "ui_class": "" }, "description": "I thought since it’s been a while we need a tournament for kyute and midnight to place 1st&2nd in :P do we have any other dans here?", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": 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Classic W.D.D.T. 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22.298565417934036, "professional": false, "ui_class": "" }, "description": "C bb v", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8883, "name": "WSOIHHNNININ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 5, "icon": "https://user-uploads.online-go.com/2c12c088376074a602d72bb644581c65-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-25T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-26T02:08:13.086483Z", "ended": "2021-08-11T23:26:11.582678Z", "start_waiting": "2021-07-26T02:08:12.988329Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2c12c088376074a602d72bb644581c65-15.png", "player_count": 4, "ranked": true }, { "id": 110638, "name": "Correspondence 9x9 RoundRobin 2023-12-15 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:20260324T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-03-24T19:00:20.501803Z", 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