Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5694
{ "count": 60790, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5695", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5693", "results": [ { "id": 71952, "name": "2月27日 馬悅思VS古宇喬", "director": { "id": 818416, "username": "傳碁學園", "country": "un", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1898.3468207617877, "deviation": 71.28817954667363, "volatility": 0.06041644550084839 } }, "ranking": 29.755630942351214, "professional": false, "ui_class": "" }, "description": "2月27日 馬悅思VS古宇喬", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 20, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 480, "period_time": 15, "periods": 2 }, "is_open": true, "exclude_provisional": false, 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71965, "name": "Live 19x19 Swiss Tournament 2021-02-27 08:30", "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": 4, "name": "Live 19x19 Swiss Tournament", "rrule": "DTSTART:20260824T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:30:39.250689Z", "last_run": "2026-08-24T20:00:24.944163Z", "lead_time_seconds": 1800, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 600, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, 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"active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 6, "ranked": true }, { "id": 71922, "name": "ARAS hacKER", "director": { "id": 831547, "username": "IscımenOzgur", "country": "tr", "icon": "https://user-uploads.online-go.com/d6668877ce9aa2beeac7364df9728eb0-64.png", "ratings": { "version": 5, "overall": { "rating": 1547.8645751482813, "deviation": 66.76208019675295, "volatility": 0.060106013779653134 } }, "ranking": 25.030550987062494, "professional": false, "ui_class": "" }, "description": "25kyu 10kyu", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": -1, "rules": "japanese", "time_per_move": 40, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 3600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1843, "name": "Open Study Room", "summary": "Community of go players who play long serious games 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"https://user-uploads.online-go.com/4df35b493e298fb3594992b02fea43f3-64.png", "ratings": { "version": 5, "overall": { "rating": 817.3044917836578, "deviation": 60.43507387969998, "volatility": 0.059412164495479314 } }, "ranking": 10.246501547988986, "professional": false, "ui_class": "" }, "description": "En el fondo no sólo se trata de vencer a los oponentes en el tablero de Go; se trata, sobre todo, de vencerse a uno mismo, momento a momento, día tras día, practicando el arte.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 37, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 900, "period_time": 30, "periods": 4 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14953, "name": "Kanik", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": true, "hide_details": true, 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Participation is not required.\n\nI'm not sure what these settings will do, but let's see!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "aga", "time_per_move": 105547, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 446, "name": "AGA (American Go Association)", "summary": "This is the official meetup place for the 2021 e-Go Congress, an online event organized by the AGA (American Go Association). 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