Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-id&page=3213
{ "count": 58921, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=3214", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-id&page=3212", "results": [ { "id": 65287, "name": "Beginner Tournament", "director": { "id": 843050, "username": "pinkwatermelon", "country": "019", "icon": "https://user-uploads.online-go.com/908b432689581a757e69a0bb7b55e375-64.png", "ratings": { "version": 5, "overall": { "rating": 816.513743839518, "deviation": 93.65810955356275, "volatility": 0.05999863100006612 } }, "ranking": 10.22409291533078, "professional": false, "ui_class": "" }, "description": "Go face to face with other beginners to prove your worth! 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"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 65259, "name": "Live 9x9 Double Elimination Tournament 2020-09-09 18:30", "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:20260311T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-11T06:00:44.753640Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, 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"open", "started": "2020-09-09T18:31:50.006033Z", "ended": "2020-09-09T19:24:24.182893Z", "start_waiting": "2020-09-09T18:31:49.260279Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 12, "ranked": true }, { "id": 65258, "name": "Bergedorf spielt 9x9 die 6te", "director": { "id": 2408, "username": "richyfourtytwo", "country": "de", "icon": "https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png", "ratings": { "version": 5, "overall": { "rating": 1524.9926543210318, "deviation": 65.32843532399444, "volatility": 0.059741689688304116 } }, "ranking": 24.685924012231194, "professional": false, "ui_class": "" }, "description": "Viel Spaß!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 611520, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": 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"country": "de", "icon": "https://user-uploads.online-go.com/cb60432b91d79a1055a51afbe4f22dce-64.png", "ratings": { "version": 5, "overall": { "rating": 1884.5908648060602, "deviation": 65.93122182146683, "volatility": 0.06059565903734737 } }, "ranking": 29.58726878021345, "professional": false, "ui_class": "supporter" }, "description": "Stürzen wir uns in neue Verwicklungen.\n\nViel Spaß.", "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": 1240, "name": "Braunschweig-Go", "summary": "Go in Braunschweig", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 56, "icon": 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