Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4539
{ "count": 60504, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4540", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-subsequent_pairing_method&page=4538", "results": [ { "id": 93937, "name": "Internal Group Tournament", "director": { "id": 1176738, "username": "2022313", "country": "cn", "icon": "https://user-uploads.online-go.com/0520e8bab1337f19234be3717495bda3-64.png", "ratings": { "version": 5, "overall": { "rating": 1882.3180058704083, "deviation": 79.68868434989339, "volatility": 0.05999804567673938 } }, "ranking": 29.559332510687433, "professional": false, "ui_class": "" }, "description": "Hello, everyone, this is the communication competition within our group! 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"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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260803T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-08-03T19:00:16.570410Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 10 }, "next_run": "2026-08-06T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2023-01-31T19:00:14.232046Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2023-01-31T19:00:17.345892Z", "ended": "2023-03-10T06:22:32.563536Z", "start_waiting": "2023-01-31T19:00:16.784086Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 10, "ranked": true }, { "id": 96710, "name": "tournamentgo", "director": { "id": 1228372, "username": "DJPercy203", "country": "fr", "icon": "https://user-uploads.online-go.com/a3851f695e26f5e1984c87dac5dfbbee-64.png", "ratings": { "version": 5, "overall": { "rating": 825.8780522650738, "deviation": 65.27986866544403, "volatility": 0.0599747265707478 } }, "ranking": 10.488081191114313, "professional": false, "ui_class": "" }, "description": "Aucune idée(s)", "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": false, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18083, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": true, "time_start": "2022-11-18T18:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-11-18T07:10:48.600121Z", "ended": "2023-03-15T08:37:45.922177Z", "start_waiting": "2022-11-18T07:10:48.362210Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 10, "ranked": true }, { "id": 38036, "name": "Летний Турнир в группе А.Нечаева", "director": { "id": 481167, "username": "Lapshin Fedor", "country": "_Starfleet", "icon": "https://user-uploads.online-go.com/514b958049fc9a9f35a9d05f36abd40d-64.png", "ratings": { "version": 5, "overall": { "rating": 1122.180899232184, "deviation": 90.85410673731967, "volatility": 0.060010030231679494 } }, "ranking": 17.58545857037856, "professional": false, "ui_class": "" }, "description": "<html>\n<head>\n<title>HTML цвет текста</title>\n</head>\n<body>\n<h1 style=\"color:#0000ff\">летний онлайн турнир В группе А.Нечаева</h1>\n</body>\n</html>\n\n_Для игроков с разных уголков сервера, двери открыты..._\n\n<hr/>\n\nenglish player - **hello**", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 359040, "time_control_parameters": { "period_time": 345600, "main_time": 1209600, "system": "byoyomi", "pause_on_weekends": true, "time_control": "byoyomi", "periods": 5, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1932, "name": "Школа Го Алексея Нечаева", "summary": "https://t.me/art_of_game_Go", "require_invitation": true, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 12, "icon": "https://user-uploads.online-go.com/aee7d4dd90dd1d2976fa770dba2aa66f-64.png" }, "auto_start_on_max": true, "time_start": "2018-06-20T13:00:00Z", "players_start": 6, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-06-20T13:00:28.800439Z", "ended": "2018-10-03T03:59:04.141689Z", "start_waiting": "2018-06-20T13:00:26.965119Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/aee7d4dd90dd1d2976fa770dba2aa66f-15.png", "player_count": 7, "ranked": true }, { "id": 96180, "name": "郭在田 謝汶熹", "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": "郭在田\n謝汶熹", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 36, "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": { "id": 6399, "name": "傳碁 B班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 53, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-10-29T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-10-29T08:41:03.852454Z", "ended": "2022-10-29T09:06:39.897515Z", "start_waiting": "2022-10-29T08:41:03.795673Z", "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": 17603, "name": "მეშვიდე ტურნირი", "director": { "id": 174398, "username": "GiorgiGlonti", "country": "un", "icon": "https://secure.gravatar.com/avatar/bae2f3efade17b0910e2790bf6397615?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 2076.951457005621, "deviation": 167.04794873166261, "volatility": 0.06000438851576052 } }, "ranking": 31.837227082853726, "professional": false, "ui_class": "provisional" }, "description": "მეშვიდე", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "time_control": "byoyomi", "period_time": 20, "main_time": 300, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 692, "name": "Georgia - საქართველოს გოს ფედერაცია", "summary": "საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 270, "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png" }, "auto_start_on_max": false, "time_start": "2016-05-21T18:27:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2016-09-15T19:48:43.268274Z", "ended": "2016-09-15T20:02:06.653954Z", "start_waiting": "2016-09-15T19:48:41.813690Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png", "player_count": 4, "ranked": true }, { "id": 94506, "name": "9x9 Round Robin.", "director": { "id": 126739, "username": "🐬Sofiam🐬", "country": "_Olimpic_Movement", "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png", "ratings": { "version": 5, "overall": { "rating": 1012.0554496406809, "deviation": 84.91308607572303, "volatility": 0.076882078105041 } }, "ranking": 15.194279748149173, "professional": false, "ui_class": "" }, "description": "Everyone is welcome", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 38880, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 36000, "initial_time": 259200, "max_time": 1814400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6630, "name": "Go friends 🐬", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 363, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": true, "time_start": "2022-09-18T14:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-16T14:02:45.676145Z", "ended": "2022-11-05T20:16:58.331885Z", "start_waiting": "2022-09-16T14:02:45.142899Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 10, "ranked": true }, { "id": 37939, "name": "Correspondence 9x9 5-simultaneous games. 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