Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5187
{ "count": 59943, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5188", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=5186", "results": [ { "id": 107606, "name": "ODTÜ GO 1. 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"description": "事前シュミレーション7", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 50, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 1800, "period_time": 30, "periods": 1 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6396, "name": "KAKA囲碁部Ⅱ", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 22, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2020-07-29T06:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2020-07-29T05:46:34.062631Z", "ended": "2020-07-29T06:17:11.484157Z", "start_waiting": "2020-07-29T05:46:34.006683Z", "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": 124793, "name": "Correspondence 13x13 RoundRobin 2025-01-28 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 Site-wide Tournament", "schedule": { "id": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260615T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-06-15T19:00:19.361590Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, 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"slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-28T19:00:22.826406Z", "ended": "2025-03-04T14:43:56.217960Z", "start_waiting": "2025-01-28T19:00:22.684171Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 5, "ranked": true }, { "id": 69033, "name": "Correspondence 13x13 RoundRobin 2020-12-17 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": 7, "name": "Correspondence 13x13 RoundRobin", "rrule": "DTSTART:20260615T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T06:00:14.582400Z", "last_run": "2026-06-15T19:00:19.361590Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 13, "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": 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": "2026-06-18T19:00:00Z", "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": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2020-12-17T19:00:16.973974Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-12-17T19:00:20.822396Z", "ended": "2021-01-21T08:10:00.729434Z", "start_waiting": "2020-12-17T19:00:19.370820Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png", "player_count": 10, "ranked": true }, { "id": 58936, "name": "Buckwheat keepers tournament at home", "director": { "id": 182494, "username": "𝖎𝖒𝖙𝖖𝖔𝖎", "country": "ru", "icon": "https://user-uploads.online-go.com/35c19d35d44885ef5dffd8148b90c4e3-64.png", "ratings": { "version": 5, "overall": { "rating": 1809.1988114506087, "deviation": 62.167950368700815, "volatility": 0.05986505920049748 } }, "ranking": 28.642131883189997, "professional": false, "ui_class": "" }, "description": "Тёплый турнир по-домашнему для игроков из России :)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91200, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 432000, "period_time": 86400, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5224, "name": "Go club Reisei", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 9, "icon": "https://user-uploads.online-go.com/9d3c3b836b6d01b5fa0a7ce676044ab2-64.png" }, "auto_start_on_max": false, "time_start": "2020-04-15T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "open", "started": "2020-04-15T15:00:20.451432Z", "ended": "2021-04-20T23:59:01.948338Z", "start_waiting": "2020-04-15T15:00:19.338027Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/9d3c3b836b6d01b5fa0a7ce676044ab2-15.png", "player_count": 25, "ranked": true }, { "id": 140396, "name": "13x13 Open League #63", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1347.1016385930843, "deviation": 70.11113679728197, "volatility": 0.06021097414481852 } }, "ranking": 21.814531284423843, "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": 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": "2026-05-31T20:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-05-29T19:58:03.826399Z", "ended": null, "start_waiting": "2026-05-29T19:58:03.448460Z", "board_size": 13, "active_round": 1, "icon": "https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png", "player_count": 10, "ranked": true }, { "id": 66309, "name": "hi bots", "director": { "id": 743973, "username": "Tilforeverfallsapart", "country": "th", "icon": "https://user-uploads.online-go.com/8257000e003d956e59cb0c9cdc3282fa-64.png", "ratings": { "version": 5, "overall": { "rating": 1105.5679500546823, "deviation": 82.1240589534962, "volatility": 0.05999733822569754 } }, "ranking": 17.24018005932385, "professional": false, "ui_class": "" }, "description": "let's play", "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": 6332, "name": "noob_bot", "summary": "Play with bots", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 883, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png" }, "auto_start_on_max": false, "time_start": "2020-10-05T14:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-06T15:56:37.508615Z", "ended": "2021-01-11T22:31:10.714664Z", "start_waiting": "2020-10-06T15:56:37.218404Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png", "player_count": 4, "ranked": true }, { "id": 78266, "name": "Bot vs Human 20210802 0020", "director": { "id": 1031342, "username": "NewHand_Bot", "country": "un", "icon": "https://secure.gravatar.com/avatar/231a943c0a9781902371549b12a05456?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1975.6918383935774, "deviation": 67.62205433700483, "volatility": 0.06021274884977886 } }, "ranking": 30.680131328159977, "professional": false, "ui_class": "bot" }, "description": "This tournament allows bot accounts to participate.\n\nHandicap is automatic.", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": -1, "rules": "chinese", "time_per_move": 631680, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 604800, "initial_time": 2419200, "max_time": 2419200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6332, "name": "noob_bot", "summary": "Play with bots", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 883, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png" }, "auto_start_on_max": true, "time_start": "2021-08-02T00:20:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-02T00:20:18.591909Z", "ended": "2021-08-04T13:18:51.270054Z", "start_waiting": "2021-08-02T00:20:18.479869Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png", "player_count": 2, "ranked": true }, { "id": 69594, "name": "Web烏鷺の会 新春囲碁大会", "director": { "id": 788184, "username": "f_uenoyama", "country": "jp", "icon": "https://secure.gravatar.com/avatar/acdee1cb9e308c99bb0cfbf83b3108ed?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1917.5648514560794, "deviation": 63.534579874069465, "volatility": 0.06006164097149981 } }, "ranking": 29.98881305469304, "professional": false, "ui_class": "" }, "description": "令和3年 新春囲碁大会 オール互先 総当たり戦です。\n期間は2カ月程度とさせて頂きます。もちろん早く打って頂いても結構です。ご参加お待ちしています。", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 91200, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 432000, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 5915, "name": "Web烏鷺の会", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 10, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2021-01-11T23:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-01-11T23:00:17.243700Z", "ended": "2021-02-02T14:41:12.055584Z", "start_waiting": "2021-01-11T23:00:16.372398Z", "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": 69677, "name": "Weekly Tournament!", "director": { "id": 818369, "username": "deleted-02279e69-efe6-4da6-94a9-3782bbb65eb5", "country": "un", "icon": "https://user-uploads.online-go.com/2b3a681b48d743df2cca63be7186d96c-64.png", "ratings": { "version": 5, "overall": { "rating": 1495.0613630632597, "deviation": 71.01591139116258, "volatility": 0.06001035702325122 } }, "ranking": 24.227036802303612, "professional": false, "ui_class": "" }, "description": "erry week", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": -1, "rules": "japanese", "time_per_move": 26, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "live", "pause_on_weekends": false, "main_time": 120, "period_time": 25, "periods": 5 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6269, "name": "BeginnerGo", "summary": "Beginners welcome!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 237, "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-64.png" }, "auto_start_on_max": false, "time_start": "2021-01-02T19:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-02T19:01:55.394146Z", "ended": "2021-01-02T19:06:24.863283Z", "start_waiting": "2021-01-02T19:01:55.221693Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/8b4001e1623b8ecda5a18d11c4c59b3d-15.png", "player_count": 4, "ranked": true } ] }