Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=4342
{ "count": 60599, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4343", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=4341", "results": [ { "id": 97235, "name": "劉鍏浠 鍾浩揚", "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": "劉鍏浠\n鍾浩揚", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 35, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 30, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { 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"analysis_enabled": false, "exclusivity": "open", "started": "2025-03-11T01:31:15.916508Z", "ended": "2025-03-11T02:06:20.549230Z", "start_waiting": "2025-03-11T01:31:15.780884Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 100338, "name": "Blitz 19x19 Elimination Tournament 2023-02-20 21:30", "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260812T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, 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"2023-02-20T21:30:59.126495Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2023-02-20T21:32:00.549334Z", "ended": "2023-02-20T22:09:44.433092Z", "start_waiting": "2023-02-20T21:32:00.437706Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true }, { "id": 30137, "name": "Join 4 noods", "director": { "id": 469806, "username": "Bobbybooboobear", "country": "un", "icon": "https://secure.gravatar.com/avatar/56e8d2fcd7362c24d02dd12522c35c16?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1213.885727626162, "deviation": 216.10232299914514, "volatility": 0.05999871037387648 } }, "ranking": 19.40394977950754, "professional": false, "ui_class": "provisional" }, "description": "Idk how to play this game", "schedule": null, "title": null, 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5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2023-01-07T07:22:26.378868Z", "ended": "2023-01-07T08:09:28.684381Z", "start_waiting": "2023-01-07T07:22:26.318207Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 97753, "name": "Praha 51", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 769.0975600653927, "deviation": 65.01454445024554, "volatility": 0.05993770725600263 } }, "ranking": 8.83912293002885, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", 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