Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-is_open&page=1076
{ "count": 59330, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-is_open&page=1077", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-is_open&page=1075", "results": [ { "id": 64553, "name": "Blitz 19x19 Elimination Tournament 2020-08-21 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260208T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-02-08T17:00:42.357337Z", "lead_time_seconds": 1800, 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"2021-06-23T18:30:39.626561Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 6, "ranked": true }, { "id": 60943, "name": "Everyone invited(Except Pro)", "director": { "id": 647177, "username": "Kotrap", "country": "sg", "icon": "https://secure.gravatar.com/avatar/175bcdb2d57ed7921fa092e893bd8bdd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1358.5981009778875, "deviation": 75.27873350889153, "volatility": 0.06002967536264566 } }, "ranking": 22.011260213334108, "professional": false, "ui_class": "" }, "description": "Join in! No matter what rank are you!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "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": 3704, "name": "lions roar", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 62, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2020-05-24T08:10:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-05-24T08:10:22.037617Z", "ended": "2021-02-18T19:27:11.100344Z", "start_waiting": "2020-05-24T08:10:19.396748Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 31, "ranked": true }, { "id": 74475, "name": "Blitz 13x13 Swiss Tournament 2021-04-27 07:30", "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": 3, "name": "Blitz 13x13 Swiss Tournament", "rrule": "DTSTART:20260208T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:27:45.234995Z", "last_run": "2026-02-08T19:01:06.275689Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": 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"exclusivity": "open", "started": "2021-04-27T07:30:32.822422Z", "ended": "2021-04-27T08:02:49.685941Z", "start_waiting": "2021-04-27T07:30:32.595077Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 6, "ranked": true }, { "id": 73390, "name": "Tournoi de l’ULCO", "director": { "id": 628772, "username": "Saikidoka", "country": "fr", "icon": "https://user-uploads.online-go.com/c47d806fed349099b6781d4da6cdd2a2-64.png", "ratings": { "version": 5, "overall": { "rating": 1465.1621596168413, "deviation": 64.31834255289833, "volatility": 0.05998376324664777 } }, "ranking": 23.75937610480453, "professional": false, "ui_class": "" }, "description": "Tournoi des jeunes lions de l’ULCO (référence dans l’univers du Go 😉)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 0, "time_control_parameters": { "system": "none", "time_control": "none", "speed": 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