Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5639
{ "count": 58823, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5640", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5638", "results": [ { "id": 90298, "name": "9988989", "director": { "id": 1082106, "username": "rayman2012", "country": "cn", "icon": "https://user-uploads.online-go.com/ad418949b149ab2b282f6fb646e761c8-64.png", "ratings": { "version": 5, "overall": { "rating": 1182.1477900994553, "deviation": 63.73438771925608, "volatility": 0.06005634213728667 } }, "ranking": 18.790622608341152, "professional": false, "ui_class": "" }, "description": "9988989", "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": true, "group": { "id": 11766, "name": "0000002", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-05-21T11:35:00Z", "players_start": 1, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-05-21T11:36:54.718652Z", "ended": "2022-05-21T11:36:54.701154Z", "start_waiting": "2022-05-21T11:36:54.624539Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 1, "ranked": true }, { "id": 90286, "name": "5 -> 李梓揚 6 -> 葉灝謙", "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": "5 -> 李梓揚\n6 -> 葉灝謙", "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": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-05-21T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-05-21T07:12:54.043901Z", "ended": "2022-05-21T07:41:16.691681Z", "start_waiting": "2022-05-21T07:12:53.981441Z", "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": 90294, "name": "3 -> 王棟 4 -> 覃晉謙", "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": "3 -> 王棟\n4 -> 覃晉謙", "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": 7533, "name": "傳碁 A班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 36, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-05-21T10:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-05-21T09:57:29.262404Z", "ended": "2022-05-21T10:36:14.288552Z", "start_waiting": "2022-05-21T09:57:29.212410Z", "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": 101408, "name": "OST - Olympic System Tournament", "director": { "id": 1033608, "username": "NetCat", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1406.6650193080409, "deviation": 70.55993802829255, "volatility": 0.06003444046653894 } }, "ranking": 22.81614654991628, "professional": false, "ui_class": "" }, "description": "Tournaments are held every Saturday\n\nJoin the OST community (^-^)", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 91187, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 11969, "name": "OST GO", "summary": "For Olympic tournaments", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png" }, "auto_start_on_max": false, "time_start": "2023-03-25T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-03-25T14:00:23.643406Z", "ended": "2024-02-16T00:45:51.261806Z", "start_waiting": "2023-03-25T14:00:23.527316Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png", "player_count": 9, "ranked": true }, { "id": 90561, "name": "3 -> 李梓揚 4 -> 袁海鑫", "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": "3 -> 李梓揚\n4 -> 袁海鑫", "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": 7531, "name": "傳碁 C班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-05-28T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-05-28T07:16:40.099486Z", "ended": "2022-05-28T07:51:08.395108Z", "start_waiting": "2022-05-28T07:16:40.033941Z", "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": 90517, "name": "Team D 27/5/2022", "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": "27/5/2022", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 33, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 3000 }, "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": "2022-05-27T08:25:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-05-27T08:21:11.260104Z", "ended": "2022-05-27T10:32:32.162481Z", "start_waiting": "2022-05-27T08:21:11.175856Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 90549, "name": "13X13", "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": "13X13", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 900, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "live", "pause_on_weekends": false, "per_move": 900 }, "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": 147, "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png" }, "auto_start_on_max": false, "time_start": "2022-05-28T03:06:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-05-28T03:07:35.918823Z", "ended": "2022-05-28T03:11:53.892448Z", "start_waiting": "2022-05-28T03:07:35.820086Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png", "player_count": 4, "ranked": true }, { "id": 137227, "name": "Just a random tournament - Come and join if you'd like to", "director": { "id": 1926370, "username": "kylerwee02", "country": "un", "icon": "https://secure.gravatar.com/avatar/3da73acd9ff69216ba7db37f152de321?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 691.7658511507257, "deviation": 185.75061921400507, "volatility": 0.06000226571024618 } }, "ranking": 6.385910609260798, "professional": false, "ui_class": "provisional" }, "description": "Just a random tournament. Provisional players are invited (because I am one). Hope you don't mind! Come and join if you'd like to! This is a 9x9 tournament. Have fun! ~Anonymous Guy (if u know who i am i am a random guy that u prob dont know) 😜", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 2419200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": false, "per_move": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 16022, "name": "ChatRoom404", "summary": "This is just a group. Do whatever you like here! It is also alright if you want to just join this group and chat. ~Destroyer802 😝", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 19, "icon": "https://user-uploads.online-go.com/8b1bbf17216ac7c771cfc31ad15f297a-64.png" }, "auto_start_on_max": false, "time_start": "2026-03-01T09:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-01T09:00:41.596755Z", "ended": null, "start_waiting": "2026-03-01T09:00:40.789768Z", "board_size": 9, "active_round": 1, "icon": "https://user-uploads.online-go.com/8b1bbf17216ac7c771cfc31ad15f297a-15.png", "player_count": 10, "ranked": true }, { "id": 38028, "name": "Reki (2)", "director": { "id": 48251, "username": "Mitsunari", "country": "fr", "icon": "https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png", "ratings": { "version": 5, "overall": { "rating": 1587.7391374184374, "deviation": 64.65167292949582, "volatility": 0.060319795146537555 } }, "ranking": 25.619366389397236, "professional": false, "ui_class": "" }, "description": "Go :)", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 13, "time_control_parameters": { "period_time": 10, "main_time": 300, "system": "byoyomi", "pause_on_weekends": false, "time_control": "byoyomi", "periods": 5, "speed": "live" }, "is_open": true, "exclude_provisional": true, "group": { "id": 1807, "name": "Isnirekikari", "summary": "Hi, this is a group for players with 25kyu till 1kyu. Especially beginners are welcome! In this group everyone should be able to play, without having to pay attention on the rank difference problem.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-64.png" }, "auto_start_on_max": true, "time_start": "2018-06-10T12:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "invite", "started": "2018-06-10T11:41:25.941158Z", "ended": "2018-06-10T11:44:31.190349Z", "start_waiting": "2018-06-10T11:41:25.650920Z", "board_size": 13, "active_round": null, "icon": "https://user-uploads.online-go.com/df363079a96b4c95cc28e1450823817d-15.png", "player_count": 2, "ranked": true }, { "id": 129765, "name": "19x19 Open League #92", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1428.7607772259034, "deviation": 69.43294160708245, "volatility": 0.06017334395576651 } }, "ranking": 23.17695807323701, "professional": false, "ui_class": "" }, "description": "Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "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": 12599, "name": "GO Special Tournaments", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 66, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-07-06T21:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-07-02T06:01:16.011910Z", "ended": "2025-11-09T21:48:10.270164Z", "start_waiting": "2025-07-02T06:01:15.460013Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true } ] }
