Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=max_ranking&page=5571
{ "count": 60024, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5572", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=max_ranking&page=5570", "results": [ { "id": 51270, "name": "⚔️Giants Among Us!⚫⚪ 2019 Nines Tournament", "director": { "id": 217422, "username": "GoIsGo", "country": "us", "icon": "https://user-uploads.online-go.com/3480f5ebe011178583f9c9e3e418572c-64.png", "ratings": { "version": 5, "overall": { "rating": 1452.140000075292, "deviation": 60.78518192330596, "volatility": 0.06019174934814814 } }, "ranking": 23.55270228142398, "professional": false, "ui_class": "" }, "description": "9x9 Tournament!", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 86400, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 86400 }, "is_open": true, 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"https://user-uploads.online-go.com/83ceb7eea12991c2d610032107296fa7-64.png", "ratings": { "version": 5, "overall": { "rating": 733.7386350417765, "deviation": 67.58441146641512, "volatility": 0.06059085558486428 } }, "ranking": 7.749569442835256, "professional": false, "ui_class": "" }, "description": "9x9 small boards", "schedule": null, "title": null, "tournament_type": "mcmahon", "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": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 4974, "name": "Taller de Go-Biblioteca de México", "summary": "Torneos todos los sábados a las 17:30 hrs (Ciudad de México)", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 236, "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png" }, "auto_start_on_max": false, "time_start": "2022-03-31T23:28:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2022-03-31T23:28:42.078470Z", "ended": "2022-03-31T23:52:38.472976Z", "start_waiting": "2022-03-31T23:28:41.799046Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png", "player_count": 4, "ranked": true }, { "id": 88258, "name": "樂茵vs天浩", "director": { "id": 1125975, "username": "東東1234", "country": "un", "icon": "https://secure.gravatar.com/avatar/7073c3c0c19e1e2362786d7d3cacee04?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1636.613123803098, "deviation": 92.9778953940374, "volatility": 0.06000761280908969 } }, "ranking": 26.321224844663433, "professional": false, "ui_class": "" }, "description": "111111111111111", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 80, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 60, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11450, "name": "黎老師群組", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 39, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-04-05T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-04-05T03:54:13.120210Z", "ended": "2022-04-05T04:16:05.379519Z", "start_waiting": "2022-04-05T03:54:13.082836Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 91345, "name": "อีก อีก อีก", "director": { "id": 1010331, "username": "PomSii", "country": "th", "icon": "https://secure.gravatar.com/avatar/aa13948ef4fee733d9d956be746af4af?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1528.2940953430661, "deviation": 69.12209408595301, "volatility": 0.060086127774657355 } }, "ranking": 24.735987039854813, "professional": false, "ui_class": "" }, "description": "อีกอีกอีก", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 6, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "blitz", "pause_on_weekends": false, "main_time": 120, "period_time": 5, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7652, "name": "PAT GO Club", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 122, "icon": "https://user-uploads.online-go.com/599802ad71f71b04087dc460aefa8947-64.png" }, "auto_start_on_max": true, "time_start": "2022-06-17T02:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-17T01:55:18.971783Z", "ended": "2022-06-17T02:16:58.888873Z", "start_waiting": "2022-06-17T01:55:18.834086Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/599802ad71f71b04087dc460aefa8947-15.png", "player_count": 10, "ranked": true }, { "id": 75684, "name": "29/5 馬彥彬\t蔡得恩", "director": { "id": 729080, "username": "樂 碁", "country": "hk", "icon": "https://user-uploads.online-go.com/38ab1d2a0a44a76ba656aca3c2fb3101-64.png", "ratings": { "version": 5, "overall": { "rating": 1376.5461424853938, "deviation": 260.4210499451175, "volatility": 0.059998813696822535 } }, "ranking": 22.315085597176374, "professional": false, "ui_class": "provisional" }, "description": "29/5 馬彥彬\t蔡得恩", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 21, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 600, "period_time": 15, "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": "2021-05-29T04:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-05-29T03:53:28.565853Z", "ended": "2021-05-29T04:00:32.791165Z", "start_waiting": "2021-05-29T03:53:28.498048Z", "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": 48618, "name": "Hyperstones 19 01", "director": { "id": 621305, "username": "Greenstorm", "country": "_GoT_Martell", "icon": "https://user-uploads.online-go.com/46a5542c64aad2ab4b719d0a7086ba65-64.png", "ratings": { "version": 5, "overall": { "rating": 1360.9718480915335, "deviation": 61.82502509214474, "volatility": 0.05999385140077372 } }, "ranking": 22.05167267608749, "professional": false, "ui_class": "" }, "description": "Regular Hyperstones tournament on the 19x19 board.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 37440, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 36000, "initial_time": 129600, "max_time": 432000 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3679, "name": "Hyperstones", "summary": "Correspondence tournaments on hyperspeed!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 22, "icon": "https://user-uploads.online-go.com/fb740739d13c239cc4110ae6be57b308-64.png" }, "auto_start_on_max": false, "time_start": "2019-06-06T02:15:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2019-06-06T04:05:21.396024Z", "ended": "2020-03-21T05:50:30.245807Z", "start_waiting": "2019-06-06T04:05:20.497561Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fb740739d13c239cc4110ae6be57b308-15.png", "player_count": 9, "ranked": true }, { "id": 99899, "name": "Jerry was a Racecar Driver", "director": { "id": 96400, "username": "pancreaticforce", "country": "_Pirate", "icon": "https://user-uploads.online-go.com/74f338a0f2efcc58792b5b4b8a3477fa-64.png", "ratings": { "version": 5, "overall": { "rating": 1560.093022095962, "deviation": 66.65205612432484, "volatility": 0.05985091232578102 } }, "ranking": 25.212722074539705, "professional": false, "ui_class": "supporter" }, "description": "Jerry was a race car driver\nHe drove so goddamn fast\nHe never did win no checkered flags\nBut he never did come in last\nJerry was a race car driver\nHe'd say \"El Sob number one\"\nWith a Bocephus sticker on his 442\nHe'd light 'em up just for fun\nAhhhh\nAhhhh\nCaptain Pierce was a fireman\nRichmond engine number three\nI'll be a wealthy man when I get a dime\nFor all the things that man taught to me\nNow, Captain Pierce was a strong man\nStrong as any man alive\nIt stuck in his craw\nThat they made him retire at the age of sixty-five\nAhhhh\nAhhhh\nGo!\nHee hee hee! Dog will hunt!\nAhhhh\nAhhhh\nJerry was a race car driver\nTwenty-two years old\nOne too many cold beers one night\nWrapped himself around a telephone pole, go!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12473, "name": "LittleTongo Club", "summary": "Littleton based GO club. Welcome to all.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 3, "icon": "https://user-uploads.online-go.com/df830be1726f8c06ee60f001136a8cb7-64.png" }, "auto_start_on_max": true, "time_start": "2023-02-15T19:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-02-15T19:00:43.212703Z", "ended": "2024-12-31T16:13:07.394632Z", "start_waiting": "2023-02-15T19:00:42.173096Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/df830be1726f8c06ee60f001136a8cb7-15.png", "player_count": 22, "ranked": true }, { "id": 88433, "name": "3 -> 李子鋒 4 -> 梅梓俊", "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 -> 李子鋒\n4 -> 梅梓俊", "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": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7530, "name": "傳碁 D班", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 71, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2022-04-09T03:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-04-09T02:55:26.790546Z", "ended": "2022-04-09T03:34:46.075841Z", "start_waiting": "2022-04-09T02:55:26.738553Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true }, { "id": 109978, "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": "A group for organizing tournaments according to the Olympic system", "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": 54, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png" }, "auto_start_on_max": false, "time_start": "2023-12-09T19:22:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-12-09T19:22:29.822883Z", "ended": "2024-09-12T01:43:38.572820Z", "start_waiting": "2023-12-09T19:22:29.679970Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png", "player_count": 12, "ranked": true }, { "id": 134534, "name": "13x13 Open D.E. Cup #83", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1293.2851288159748, "deviation": 70.63474169097069, "volatility": 0.06022023803937533 } }, "ranking": 20.870711401335065, "professional": false, "ui_class": "" }, "description": "Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "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": 76, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png" }, "auto_start_on_max": true, "time_start": "2025-12-14T21:00:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-12-09T10:27:59.904446Z", "ended": null, "start_waiting": "2025-12-09T10:27:59.783897Z", "board_size": 13, "active_round": 3, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 8, "ranked": true } ] }