Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5731
{ "count": 60785, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5732", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5730", "results": [ { "id": 3118, "name": "Ludu go!", "director": { "id": 15530, "username": "Julko", "country": "pl", "icon": "https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png", "ratings": { "version": 5, "overall": { "rating": 864.0752257226206, "deviation": 66.69099234839376, "volatility": 0.05927716479341325 } }, "ranking": 11.534755327695938, "professional": false, "ui_class": "supporter" }, "description": "Ludu go pli ofte ol eblas", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 93120, "time_control_parameters": { "time_control": "fischer", "initial_time": 604800, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": { "id": 137, "name": "Esperantejo", "summary": "Por esperanta go luduloj", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 106, "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-64.png" }, "auto_start_on_max": false, "time_start": null, "players_start": null, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2014-09-04T05:04:25.623985Z", "ended": "2015-03-20T03:48:18.706028Z", "start_waiting": "2014-09-04T05:04:25.108961Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/caff677bb0f816f656b2273df670eb22-15.png", "player_count": 0, "ranked": true }, { "id": 19263, "name": "第二届华夏兄弟盟棋圣公开赛（The second Hua Xia league Go God Open tournament）", "director": { "id": 314225, "username": "GuluCat", "country": "cn", "icon": "https://user-uploads.online-go.com/fe6d33fb17fad59815ce9277c5e1d9b7-64.png", "ratings": { "version": 5, "overall": { "rating": 2375.1662124199265, "deviation": 74.64728866718292, "volatility": 0.060149082949668496 } }, "ranking": 34.94317568425924, "professional": false, "ui_class": "supporter" }, "description": "第二届华夏兄弟盟棋圣战是公开赛喔，望兄弟们踊跃加入，展现出我们华夏人的实力来（ps: everyone is welcomed to join this tournament :)）", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 262080, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 1180, "name": "华夏兄弟盟 Chinese Brotherhood ", "summary": "A group that you can play with a lot of Chinese players :) .welcome everyone joining our group, we sincerely hope you can enjoy the game of Go and Chinese culture as well :)", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 1196, "icon": "https://user-uploads.online-go.com/61ab6668def88dc8b1b7fc54d5582ae6-64.png" }, "auto_start_on_max": true, "time_start": "2016-09-01T15:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2016-09-01T15:00:31.101161Z", "ended": "2021-05-01T17:30:23.824193Z", "start_waiting": "2016-09-01T15:00:27.607135Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/61ab6668def88dc8b1b7fc54d5582ae6-15.png", "player_count": 64, "ranked": true }, { "id": 72020, "name": "2月歷碁賽 第三輪 黃見希 VS Raymond", "director": { "id": 928963, "username": "傳碁學園-歷碁賽", "country": "hk", "icon": "https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png", "ratings": { "version": 5, "overall": { "rating": 1500, "deviation": 350, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "2月歷碁賽 第三輪 黃見希 VS Raymond", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 16, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 1500 }, "is_open": true, "exclude_provisional": false, "group": { "id": 8175, "name": "歷碁賽 A組", "summary": "", "require_invitation": true, "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": true, "time_start": "2021-02-28T10:15:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2021-02-28T09:55:09.519728Z", "ended": "2021-02-28T10:27:52.311005Z", "start_waiting": "2021-02-28T09:55:09.438237Z", "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": 131381, "name": "Fast Round Robin for 7k-13k # I", "director": { "id": 1632034, "username": "exxelxior", "country": "001", "icon": "https://user-uploads.online-go.com/fa81172ce521dfadbb1dbbf37e253668-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.0044375554246, "deviation": 63.65683536311164, "volatility": 0.05998415685403463 } }, "ranking": 22.54032058172259, "professional": false, "ui_class": "" }, "description": "Fast tournament: pay attention, 12 hours increment is something like two movements per day to keep the flow ;-)\n\nQuoted from Fast Correspondence Group (thanx):\n“Use the conditional move feature to speed up the game. No pausing and no vacations; anyone who has vacation mode switched on or pauses a game, will be disqualified. Also, please do not use AI.”\n\nAnd I add: and no weekends, just make your move; it's a tournament, my friend!", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 45251, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 15509, "name": "Fast and narrow rank range tournaments", "summary": "Tournaments for people who like to play within narrow rank ranges and fast correspondence games.", "require_invitation": true, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 104, "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-64.png" }, "auto_start_on_max": true, "time_start": "2025-09-01T23:33:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 17, "max_ranking": 23, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-28T05:38:29.716229Z", "ended": "2025-10-22T10:04:22.690907Z", "start_waiting": "2025-08-28T05:38:29.137906Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-15.png", "player_count": 10, "ranked": true }, { "id": 69876, "name": "第一堂捉棋", "director": { "id": 912873, "username": "ls_kywong", "country": "un", "icon": "https://secure.gravatar.com/avatar/900f6e8c3ab6fe8d59b5f9e8e1a6f7c3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1032.427019843361, "deviation": 195.7543743914482, "volatility": 0.06000511327135469 } }, "ranking": 15.655636072572305, "professional": false, "ui_class": "provisional" }, "description": "第一堂捉棋", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "chinese", "time_per_move": 6, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "blitz", "pause_on_weekends": false, "total_time": 600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 7894, "name": "ELCHKLS圍棋", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 3, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-01-08T11:00:00Z", "players_start": 1, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-01-08T11:00:42.531706Z", "ended": "2021-01-08T11:03:57.072701Z", "start_waiting": "2021-01-08T11:00:42.416729Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 3, "ranked": true }, { "id": 69874, "name": "Alpha Centauri", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 769.0975600653927, "deviation": 65.01454445024554, "volatility": 0.05993770725600263 } }, "ranking": 8.83912293002885, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 28080, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 25200, "initial_time": 259200, "max_time": 345600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 357, "name": "ORION", "summary": "Torneo Latinoamericano de Go por equipos Sub-18", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 137, "icon": "https://user-uploads.online-go.com/ee9d9460a8b97d165ea8a0d257436c51-64.png" }, "auto_start_on_max": true, "time_start": "2021-01-08T14:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 8, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-08T14:00:50.697889Z", "ended": "2021-02-27T10:24:46.797037Z", "start_waiting": "2021-01-08T14:00:50.527618Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/ee9d9460a8b97d165ea8a0d257436c51-15.png", "player_count": 2, "ranked": true }, { "id": 76880, "name": "DESPEDIDA DE 1RO", "director": { "id": 88120, "username": "satoshi84", "country": "mx", "icon": "https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png", "ratings": { "version": 5, "overall": { "rating": 1136.7959829193692, "deviation": 78.40429708623937, "volatility": 0.06016044531576248 } }, "ranking": 17.885013568829635, "professional": false, "ui_class": "" }, "description": "ÚLTIMAS PARTIDAS", "schedule": null, "title": null, "tournament_type": "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": 300, "period_time": 20, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5581, "name": "Colegio Serapio Rendón // Kinder - Primaria", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 200, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-64.png" }, "auto_start_on_max": false, "time_start": "2021-06-29T16:55:00Z", "players_start": 2, "first_pairing_method": "strength", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-06-29T16:55:39.597593Z", "ended": "2021-06-29T17:30:41.112005Z", "start_waiting": "2021-06-29T16:55:39.462800Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9da407b0f50ca68064ffbdfe7ee05885-15.png", "player_count": 3, "ranked": true }, { "id": 71770, "name": "Correspondence 19x19 RoundRobin 2021-02-23 19:00", "director": { "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": 6, "name": "Correspondence 19x19 RoundRobin", "rrule": "DTSTART:20260822T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-08-22T19:00:24.597297Z", "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": "2026-08-25T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "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": "2021-02-23T19:00:07.431999Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-02-23T19:00:10.347245Z", "ended": "2021-08-17T16:41:00.314993Z", "start_waiting": "2021-02-23T19:00:08.982077Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 10, "ranked": true }, { "id": 69878, "name": "Vs Darryl", "director": { "id": 776700, "username": "Pang Kai Yong Darryl", "country": "sg", "icon": "https://secure.gravatar.com/avatar/3a31431602c52009ba5c0e478bdb9277?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1007.6367844817655, "deviation": 75.40703573340481, "volatility": 0.05994581570529703 } }, "ranking": 15.092984847960091, "professional": false, "ui_class": "" }, "description": "v darryl", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "chinese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5118, "name": "SP Weiqi 2020/2021", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 21, "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-64.png" }, "auto_start_on_max": true, "time_start": "2021-01-08T11:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2021-01-08T10:21:38.561648Z", "ended": "2021-01-08T12:01:16.763437Z", "start_waiting": "2021-01-08T10:21:38.441077Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/8d7f8244283feaafac5174b82851f2fa-15.png", "player_count": 2, "ranked": true }, { "id": 71765, "name": "Blitz 19x19 Elimination Tournament 2021-02-22 17:30", "director": { "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": 1, "name": "Blitz 19x19 Elimination Tournament", "rrule": "DTSTART:20260824T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-08-24T13:00:24.882035Z", "lead_time_seconds": 1800, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "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": "2026-08-24T17:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 11, "time_control_parameters": { "time_control": "byoyomi", "period_time": 10, "main_time": 120, "periods": 5 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2021-02-22T17:30:01.905595Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-02-22T17:30:03.437831Z", "ended": "2021-02-22T17:45:49.407065Z", "start_waiting": "2021-02-22T17:30:03.196292Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 4, "ranked": true } ] }
