Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5490
{ "count": 59116, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5491", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5489", "results": [ { "id": 76960, "name": "9x9 Classic W.D.D.T. XVII", "director": { "id": 598257, "username": "Lukyn", "country": "cz", "icon": "https://user-uploads.online-go.com/7fb279757514c99fe4a3b2dd3a47f12c-64.png", "ratings": { "version": 5, "overall": { "rating": 1230.1492890796212, "deviation": 64.71097614610568, "volatility": 0.05997641353704767 } }, "ranking": 19.712052570585655, "professional": false, "ui_class": "supporter" }, "description": "Classic weekly double death tournament.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 172800, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 8129, "name": "ZEN Go", "summary": "The search for happiness is one of the chief sources of unhappiness.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 48, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-04T23:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 25, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-04T23:00:36.294990Z", "ended": "2021-09-21T04:21:43.900168Z", "start_waiting": "2021-07-04T23:00:35.914504Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/ff052c6c23b77d2514fe70ad0dcce3bb-15.png", "player_count": 7, "ranked": true }, { "id": 124006, "name": "Correspondence 19x19 RoundRobin 2025-01-06 19:00", "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260322T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-03-22T19:00:20.368286Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "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": "2026-03-25T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "pause_on_weekends": true, "max_time": 432000, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2025-01-06T19:00:36.846898Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-06T19:00:37.596749Z", "ended": "2025-05-13T14:36:34.859596Z", "start_waiting": "2025-01-06T19:00:37.178500Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 75711, "name": "Leaving Freenode Tournament", "director": { "id": 556209, "username": "CLOCKBLOAT", "country": "un", "icon": "https://secure.gravatar.com/avatar/e678d1dc19a488e43d8ecc6dcf52e64b?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "Freenode is no more, join OFTC #go: https://online-go.com/group/9292", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 2446080, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 2419200, "period_time": 2419200, "periods": 300 }, "is_open": true, "exclude_provisional": true, "group": { "id": 473, "name": "Freenode #go", "summary": "irc.freenode.net #go community", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 14, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-09-30T20:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-30T20:00:05.087581Z", "ended": null, "start_waiting": "2022-09-30T20:00:03.760222Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 51, "ranked": true }, { "id": 38506, "name": "1st International Mandelbrot Cup", "director": { "id": 527014, "username": "deleted-fae04c4c-3738-4477-a91f-f0435f893e32", "country": "gb", "icon": "https://user-uploads.online-go.com/b243196be54f7c40b369dcf90670360e-64.png", "ratings": { "version": 5, "overall": { "rating": 1043.6976545990792, "deviation": 69.08991620947712, "volatility": 0.05998374323037165 } }, "ranking": 15.90698683292563, "professional": false, "ui_class": "" }, "description": "In honour of Benoit Mandelbrot a mathematician famous for the Mandelbrot set. The Mandelbrot set is one of the most beautiful bits of maths showing all values of c in which the corresponding Julia set of z->z^2+c is connected.\n\n....maybe our games of Go demonstrate something of the fractal properties that we see in the Mandelbrot set.\n\nWho has what it takes to hold the first title!\n\nJoin in and have fun.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 37, "name": "UK ", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 73, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-07-01T21:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2018-07-01T21:00:44.947450Z", "ended": "2019-07-27T20:28:47.632069Z", "start_waiting": "2018-07-01T21:00:43.584053Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 18, "ranked": true }, { "id": 83528, "name": "圍棋校隊D組第一次比賽", "director": { "id": 1056772, "username": "ycchan", "country": "un", "icon": "https://secure.gravatar.com/avatar/3f757e369adb37ec7025a5ad2b5f4e97?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1190.2513571308164, "deviation": 190.5038148133336, "volatility": 0.060001753666935165 } }, "ranking": 18.948773319697555, "professional": false, "ui_class": "provisional" }, "description": "圍棋校隊D組第一次比賽", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 26880, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "correspondence", "pause_on_weekends": true, "total_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10281, "name": "STWDCFWMS-TeamD", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 9, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-12-10T08:36:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-12-10T08:36:30.553195Z", "ended": "2022-01-14T08:54:00.957795Z", "start_waiting": "2021-12-10T08:36:30.436870Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 83038, "name": "9x9 28/11/64", "director": { "id": 564908, "username": "Sarawoot Kanya", "country": "th", "icon": "https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.3733342620876, "deviation": 65.87288697611051, "volatility": 0.06068751158219223 } }, "ranking": 23.170679540751433, "professional": false, "ui_class": "" }, "description": "9x9 28/11/64", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 23, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1200, "period_time": 10, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5893, "name": "Go Family", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 148, "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png" }, "auto_start_on_max": false, "time_start": "2021-11-28T03:50:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-11-28T03:50:08.986784Z", "ended": "2021-11-28T04:01:23.357168Z", "start_waiting": "2021-11-28T03:50:08.845599Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png", "player_count": 4, "ranked": true }, { "id": 109287, "name": "2023.NOV 19X19 RoundRobin 8K～4K", "director": { "id": 1161013, "username": "朵兒普拉斯-doorplus-", "country": "_United_Nations", "icon": "https://user-uploads.online-go.com/7c935550f93ff5eb3f3e93239454342f-64.png", "ratings": { "version": 5, "overall": { "rating": 1151.0937500744108, "deviation": 63.06821920011851, "volatility": 0.05991569077389414 } }, "ranking": 18.174361096243295, "professional": false, "ui_class": "" }, "description": "Attention: Time Setting for the Game. \n \n⭐️⭐️⭐️⭐️⭐️ When all players(who are not disqualified) have finished the games, but there are still some games continued by players who were disqualified by timeout. In order to keep the tournament going, the games with the disqualified players will be TERMINATED by the tournament director. \n \n \n🍭Tips： \n1️⃣Disqualification will occur if a player loses by timeout. \n2️⃣If disqualified by the tournament director, all outstanding games will be forfeited, which will affect the player’s ranking. \n \n🍭The following rules must be obeyed to guarantee a respectful game： \n1️⃣No pauses are allowed. \n2️⃣No vacation mode is permitted. （If a player is on vacation, they and their opponent can still make a move, but time will be suspended. Soooooooooooo, vacation mode is absolutely NOT allowed.） \n3️⃣Any player who is on vacation or has paused the game will be disqualified without further notice or reminder. \n4️⃣If you find that a player pauses the game or enters vacation mode, please send a message to the tournament director. \n \nHave fun and Enjoy. ：）", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 59651, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 57600, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12824, "name": "Way to GO", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 31, "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-64.png" }, "auto_start_on_max": true, "time_start": "2023-11-16T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 22, "max_ranking": 26, "analysis_enabled": true, "exclusivity": "open", "started": "2023-11-16T06:18:48.457833Z", "ended": "2024-02-11T21:01:35.883399Z", "start_waiting": "2023-11-16T06:18:47.864738Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8fbd7bd47c3c0f4bb73a2fd4c070b182-15.png", "player_count": 10, "ranked": true }, { "id": 109067, "name": "Bảng D - V3", "director": { "id": 1421513, "username": "nhatcuong1024", "country": "un", "icon": "https://secure.gravatar.com/avatar/9485477df4ef646f74d2b3f4177e5129?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 982.3353501199251, "deviation": 63.195662196210705, "volatility": 0.06000380411268009 } }, "ranking": 14.50427331694182, "professional": false, "ui_class": "" }, "description": "Mùa Đông Sum Vầy 2023", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 300, "period_time": 15, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13657, "name": "Ichi-Go PTNK Club", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 29, "icon": "https://user-uploads.online-go.com/8ba1369c7e5510cafbb325500b2f55f3-64.png" }, "auto_start_on_max": true, "time_start": "2023-10-30T14:32:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2023-10-30T14:32:37.871850Z", "ended": "2023-10-30T14:47:56.572751Z", "start_waiting": "2023-10-30T14:32:37.740939Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/8ba1369c7e5510cafbb325500b2f55f3-15.png", "player_count": 2, "ranked": true }, { "id": 77589, "name": "杳耿圬晊杯土", "director": { "id": 1023102, "username": "scps00", "country": "un", "icon": "https://secure.gravatar.com/avatar/6d44cde2d6b20aba8e2a8b5951f5cdfd?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1304.2918227457508, "deviation": 240.12621952785298, "volatility": 0.05999840599104936 } }, "ranking": 21.066899228852943, "professional": false, "ui_class": "provisional" }, "description": "asfdsadfsaf", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 9643, "name": "SCPS4A", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 24, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-07-16T02:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-07-16T01:10:21.167290Z", "ended": "2021-07-16T02:17:34.410696Z", "start_waiting": "2021-07-16T01:10:21.036078Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 6, "ranked": true }, { "id": 124532, "name": "썸녀 휴가 기념 대국", "director": { "id": 1665458, "username": "deleted-edb06c18-430e-4b33-a7bc-2d754a0d0587", "country": "zz", "icon": "https://user-uploads.online-go.com/7ccf23dc1195bef6e5e9018db53be728-64.png", "ratings": { "version": 5, "overall": { "rating": 941.5509735921314, "deviation": 101.17696531607577, "volatility": 0.06002104756549485 } }, "ranking": 13.522614705757876, "professional": false, "ui_class": "" }, "description": "썸녀가 오늘 일터에 안나왔네요.\n휴가가 봐요. 뭔일은 없겠죠? 기념 대국이나 하자요", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 15084, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 14400, "initial_time": 86400, "max_time": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 420, "name": "Hikaru no go club", "summary": "Sai is the way.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 760, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-27T22:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-27T22:00:22.758422Z", "ended": "2025-02-07T13:35:22.247088Z", "start_waiting": "2025-01-27T22:00:22.573323Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png", "player_count": 5, "ranked": true } ] }
