Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-player_count&page=491
{ "count": 59091, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=492", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-player_count&page=490", "results": [ { "id": 125119, "name": "246813579 tournaments", "director": { "id": 1679142, "username": "China the best", "country": "un", "icon": "https://secure.gravatar.com/avatar/a6e9189de77db2bb1204486a4bb1c2d6?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 935.7950198811127, "deviation": 68.18608099555254, "volatility": 0.05998469507452644 } }, "ranking": 13.380658192242748, "professional": false, "ui_class": "" }, "description": "wellcome everyone", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 7, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 900 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14881, "name": "OGS 😮", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 14, "icon": "https://user-uploads.online-go.com/720f550e5f341b44021b4648c776c50b-64.png" }, "auto_start_on_max": false, "time_start": "2025-02-18T09:00:00Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "strength", "min_ranking": 10, "max_ranking": 25, "analysis_enabled": false, "exclusivity": "open", "started": "2025-02-18T09:00:25.808757Z", "ended": "2025-02-18T10:17:03.495871Z", "start_waiting": "2025-02-18T09:00:25.670099Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/720f550e5f341b44021b4648c776c50b-15.png", "player_count": 13, "ranked": true }, { "id": 114414, "name": "第二届三圣“天元”杯", "director": { "id": 1470523, "username": "三聖會長", "country": "tw", "icon": "https://user-uploads.online-go.com/96e8d0359f1f15ed8340f0187dc334c2-64.png", "ratings": { "version": 5, "overall": { "rating": 1948.2193146022096, "deviation": 75.88696752096834, "volatility": 0.06000790094500737 } }, "ranking": 30.355965314716055, "professional": false, "ui_class": "" }, "description": "第二届OGS“三圣”杯，这是三圣在OGS的一场正式比赛", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 88451, "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": 13599, "name": "三圣棋友会（风弈社）", "summary": "最大的华人俱乐部\n2016年创立（风弈社核心会）\n风弈社社长：若谷先生\n三圣棋友会创始人：若谷先生\n三圣棋友会会长：若谷先生 三圣风弈副会长：宋俊逸 三圣棋圈副会长：蔡君畅、马晨荣 \n三圣：若谷，马晨荣，罗琬韵\n三圣（风弈）纪委：黄民鹤\n三圣功勋榜：蘑菇、林平之\n三圣棋友会会庆日：4月14日\n风弈社蘑菇纪念日：1月27日", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 627, "icon": "https://user-uploads.online-go.com/2b80115865b939c7251ee006711f9e0d-64.png" }, "auto_start_on_max": true, "time_start": "2024-05-24T02:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-24T02:00:52.379892Z", "ended": "2025-02-20T14:48:41.246365Z", "start_waiting": "2024-05-24T02:00:52.188022Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2b80115865b939c7251ee006711f9e0d-15.png", "player_count": 13, "ranked": true }, { "id": 118353, "name": "Correspondence Weekly McMahon 19x19 2024-07-27 17:00", "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 Site-wide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260316T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-03-16T17:00:11.719733Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-03-23T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2024-07-27T17:00:21.574208Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-07-27T17:00:27.231326Z", "ended": "2025-02-28T15:53:45.531306Z", "start_waiting": "2024-07-27T17:00:26.458135Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 13, "ranked": true }, { "id": 119571, "name": "CHEERFUL GO #71 Single Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png", "ratings": { "version": 5, "overall": { "rating": 1879.3791327232684, "deviation": 75.66690170579643, "volatility": 0.059838451835026854 } }, "ranking": 29.52316004666822, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have fun!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nSingle elimination tournament every Thursday.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 70, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2024-09-05T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 33, "analysis_enabled": true, "exclusivity": "open", "started": "2024-09-05T04:00:28.951331Z", "ended": "2025-03-07T12:12:34.890363Z", "start_waiting": "2024-09-05T04:00:28.839984Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 13, "ranked": true }, { "id": 127132, "name": "Live 9x9 Double Elimination Tournament 2025-04-04 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 Site-wide Tournament", "schedule": { "id": 2, "name": "Live 9x9 Double Elimination Tournament", "rrule": "DTSTART:20260323T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:22:51.496184Z", "last_run": "2026-03-23T10:00:19.776090Z", "lead_time_seconds": 1800, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "size": 9, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclude_provisional": true, "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "settings": { "num_rounds": "3", "upper_bar": "20", "lower_bar": "10", "group_size": "3", "maximum_players": 100 }, "next_run": "2026-03-23T14:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 41, "time_control_parameters": { "time_control": "byoyomi", "period_time": 30, "main_time": 300, "periods": 3 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-04-04T18:30:13.601151Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2025-04-04T18:31:13.775128Z", "ended": "2025-04-04T19:15:59.719504Z", "start_waiting": "2025-04-04T18:31:13.596890Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 13, "ranked": true }, { "id": 127575, "name": "Kranj 103", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 788.4782417507043, "deviation": 64.76496024965462, "volatility": 0.0599203180748189 } }, "ranking": 9.415256608156199, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 38051, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 36000, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 374, "name": "Slovenija", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png" }, "auto_start_on_max": true, "time_start": "2025-04-21T17:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 6, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2025-04-21T17:00:16.296902Z", "ended": null, "start_waiting": "2025-04-21T17:00:16.040277Z", "board_size": 19, "active_round": 5, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png", "player_count": 13, "ranked": true }, { "id": 115689, "name": "Kranj 71", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 788.4782417507043, "deviation": 64.76496024965462, "volatility": 0.0599203180748189 } }, "ranking": 9.415256608156199, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 38051, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 36000, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 374, "name": "Slovenija", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png" }, "auto_start_on_max": true, "time_start": "2024-05-07T16:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 8, "max_ranking": 15, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-07T16:00:02.598513Z", "ended": "2025-04-28T18:25:17.662007Z", "start_waiting": "2024-05-07T16:00:02.366437Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png", "player_count": 13, "ranked": true }, { "id": 116006, "name": "Correspondence Weekly McMahon 19x19 2024-05-18 17:00", "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 Site-wide Tournament", "schedule": { "id": 9, "name": "Correspondence Weekly McMahon 19x19", "rrule": "DTSTART:20260316T170000Z\nRRULE:FREQ=WEEKLY", "active": true, "created": "2015-12-16T02:22:56.480465Z", "last_run": "2026-03-16T17:00:11.719733Z", "lead_time_seconds": 432000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "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": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 4, "maximum_players": 1000 }, "next_run": "2026-03-23T17:00:00Z", "base_points": "30.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": "2024-05-18T17:00:04.511865Z", "players_start": 10, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-18T17:00:51.217149Z", "ended": "2025-04-29T14:58:49.315781Z", "start_waiting": "2024-05-18T17:00:50.596540Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 13, "ranked": true }, { "id": 118550, "name": "Ranked tournament 2024 August #1", "director": { "id": 1381238, "username": "BuzzerBeater", "country": "030", "icon": "https://user-uploads.online-go.com/d34952ca0e76fd14a163c154f3b31475-64.png", "ratings": { "version": 5, "overall": { "rating": 1696.7454346814884, "deviation": 78.37090004019346, "volatility": 0.06096663548975038 } }, "ranking": 27.15654694171049, "professional": false, "ui_class": "" }, "description": "Welcome all players join", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "nz", "time_per_move": 86400, "time_control_parameters": { "system": "canadian", "time_control": "canadian", "speed": "correspondence", "pause_on_weekends": true, "main_time": 0, "period_time": 259200, "stones_per_period": 3 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14385, "name": "The Ranked Group", "summary": "Join this group and compete for the best ^^", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 190, "icon": "https://user-uploads.online-go.com/afe0747efdb912a764d15d5340a4b85f-64.png" }, "auto_start_on_max": false, "time_start": "2024-08-15T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-08-15T05:00:09.834317Z", "ended": "2025-05-09T09:36:21.411577Z", "start_waiting": "2024-08-15T05:00:09.706092Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/afe0747efdb912a764d15d5340a4b85f-15.png", "player_count": 13, "ranked": true }, { "id": 115763, "name": "院生の碁 \\[>_<]/ 2025", "director": { "id": 1144866, "username": "𝒫𝓊𝓉 𝒦.", "country": "001", "icon": "https://user-uploads.online-go.com/96e71b19d93c156edd85ce7fe2904c51-64.png", "ratings": { "version": 5, "overall": { "rating": 923.037533479473, "deviation": 69.13208750297096, "volatility": 0.060564816879819405 } }, "ranking": 13.062888367441058, "professional": false, "ui_class": "" }, "description": "welcome to join this tournament's group!\n\n<p> <embed src=\"https://online-go.com/group/14054\"width=\"750\" height=\"750\"> </p>\n\nStart on 2025 || \\[>_<]/ & \\[>_<]/ = \\[>_<]/ - I don't know what to put more here, sorry!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 604800, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 14054, "name": "院生の碁", "summary": "院生の碁!", "require_invitation": true, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18, "icon": "https://user-uploads.online-go.com/ca04995cda0b3d01c5a595ca0fafb383-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-01T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-01T15:00:35.769981Z", "ended": "2025-05-28T11:17:03.606414Z", "start_waiting": "2025-01-01T15:00:35.592391Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ca04995cda0b3d01c5a595ca0fafb383-15.png", "player_count": 13, "ranked": true } ] }
