Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1121
{ "count": 60603, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1122", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=subsequent_pairing_method&page=1120", "results": [ { "id": 63929, "name": "Batajnica", "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": 89280, "time_control_parameters": { "system": "byoyomi", "time_control": "byoyomi", "speed": "correspondence", "pause_on_weekends": true, "main_time": 259200, "period_time": 86400, "periods": 3 }, "is_open": true, "exclude_provisional": false, "group": { "id": 27, "name": "Serbian Go Players", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 81, "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-64.png" }, "auto_start_on_max": false, "time_start": "2020-08-05T09:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 12, "analysis_enabled": true, "exclusivity": "open", "started": "2020-08-05T09:00:52.287538Z", "ended": "2020-12-16T16:26:32.278653Z", "start_waiting": "2020-08-05T09:00:51.867717Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/a4c7afeabd5c537f0916589346c203bb-15.png", "player_count": 5, "ranked": true }, { "id": 69162, "name": "マクドナルド杯", "director": { "id": 165280, "username": "McCutchen", "country": "un", "icon": "https://secure.gravatar.com/avatar/f10896ee85c844f8c97d54b08cb9bcc8?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1925.852111785181, "deviation": 170.84309282959532, "volatility": 0.059999538446069485 } }, "ranking": 30.08864628943017, "professional": false, "ui_class": "provisional" }, "description": "最強決定戦", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": false, "group": { "id": 569, "name": "恵方棋院", "summary": "kgsが長期間落ちてるときなど避難用に使ってください", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 32, "icon": "https://user-uploads.online-go.com/4d28ab9a23e3efa5faeeaefaadcda233-64.png" }, "auto_start_on_max": false, "time_start": "2020-12-20T09:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-12-20T10:26:14.730888Z", "ended": "2020-12-20T11:26:14.613793Z", "start_waiting": "2020-12-20T10:26:14.609056Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/4d28ab9a23e3efa5faeeaefaadcda233-15.png", "player_count": 3, "ranked": true }, { "id": 68888, "name": "The Seattle Discord Games", "director": { "id": 687087, "username": "renlo", "country": "zz", "icon": "https://user-uploads.online-go.com/eac32c73e13ec4fbdec517b258bc785a-64.png", "ratings": { "version": 5, "overall": { "rating": 1859.545070202358, "deviation": 66.3623580964525, "volatility": 0.06000640503989962 } }, "ranking": 29.27754776384173, "professional": false, "ui_class": "" }, "description": "South Sound Go Club collaboration Seattle Go Center! Organized on Discord - Please join the community: https://discord.gg/JEpJJPG", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 129600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 129600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 5, "name": "Seattle Go Center", "summary": "The Seattle Go Center teaches and promotes the Asian game of Go. This 4000 year old strategy board game continues to fascinate players around the world. Japanese professional Go player, Iwamoto Kaoru Sensei created The Seattle Go Center (SGC) in 1995, pur", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 347, "icon": "https://user-uploads.online-go.com/622071330bf597857b954683efcfb9cb-64.png" }, "auto_start_on_max": false, "time_start": "2020-12-19T22:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-12-19T22:00:34.982715Z", "ended": "2021-05-05T06:07:41.889525Z", "start_waiting": "2020-12-19T22:00:34.234441Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/622071330bf597857b954683efcfb9cb-15.png", "player_count": 16, "ranked": true }, { "id": 66429, "name": "Correspondence 13x13 RoundRobin 2020-10-09 19:00", "director": { "id": 4, "username": "matburt", "country": "us", 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"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": "2026-08-14T19:00:00Z", "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": "2020-10-09T19:00:01.288257Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2020-10-09T19:00:09.698637Z", "ended": "2021-02-05T05:26:30.539969Z", "start_waiting": "2020-10-09T19:00:06.839335Z", "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": 132787, "name": "DMCR ครั้งที่ 1", "director": { "id": 902908, "username": "SUGA-KruPete", "country": "un", "icon": "https://user-uploads.online-go.com/260846090c5c4fe7af1213a1eb7dfa28-64.png", "ratings": { "version": 5, "overall": { "rating": 1868.2465812585415, "deviation": 64.7598848876537, "volatility": 0.060023465241311476 } }, "ranking": 29.38562265945945, "professional": false, "ui_class": "" }, "description": "การแข่งขันกระชับมิตร", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 5, "time_control_parameters": { "system": "absolute", "time_control": "absolute", "speed": "live", "pause_on_weekends": false, "total_time": 600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 15747, "name": "DMCR123456", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": true, "member_count": 35, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-09-26T08:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-09-26T07:47:32.228800Z", "ended": "2025-09-26T08:34:08.972005Z", "start_waiting": "2025-09-26T07:47:31.996526Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 14, "ranked": true }, { "id": 68035, "name": "fast tournament", "director": { "id": 623375, "username": "tienslebien", "country": "_LGBT", "icon": "https://secure.gravatar.com/avatar/e03e23a96344bfaf199e12c5f09e2ed3?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1580.3537709363466, "deviation": 65.13419237542774, "volatility": 0.060470328540733045 } }, "ranking": 25.511432974113326, "professional": false, "ui_class": "" }, "description": "My first tournament.\nWhat do you think about it ?", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "chinese", "time_per_move": 22560, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 21600, "initial_time": 86400, "max_time": 129600 }, "is_open": true, "exclude_provisional": true, "group": { "id": 508, "name": "Fast Correspondence", "summary": "Tournaments for people who like to play quick correspondence games.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 831, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png" }, "auto_start_on_max": true, "time_start": "2020-11-23T11:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 10, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2020-11-22T15:46:21.907672Z", "ended": "2020-12-18T13:24:28.550301Z", "start_waiting": "2020-11-22T15:46:20.056125Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png", "player_count": 10, "ranked": true }, { "id": 67965, "name": "Mingren Nines 2018 Title Match - Board 1", "director": { "id": 199065, "username": "Kuksu League", "country": "_United_Federation_of_Planets", "icon": "https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1500.0, "deviation": 350.0, "volatility": 0.06 } }, "ranking": 24.303382182144386, "professional": false, "ui_class": "provisional" }, "description": "<!-- \nMingren Nines 2018 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:deepskyblue\" href='https://online-go.com/user/view/43936/'>Sadaharu [Nines Mingren] x1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>12th</td>\n\t<td style=\"color:deepskyblue\">Mingren</td>\n\t<td>Nines</td>\n\t<td>2018</td>\n\t<td><a href='https://online-go.com/player/209273/Baklan'>Baklan [7d]</a></td>\n\t<td><a href='https://online-go.com/player/40318/gamesorry'>gamesorry [1d]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/67965'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/67966'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/67967'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/67968'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/67969'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/42052'>Mingren Nines Title Tournament 2018</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "chinese", "time_per_move": 93120, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 604800, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 515, "name": "OGS Title Tournaments", "summary": "Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 3007, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png" }, "auto_start_on_max": false, "time_start": "2020-11-24T07:06:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "invite", "started": "2020-11-24T07:06:31.748557Z", "ended": "2020-12-08T22:28:14.864058Z", "start_waiting": "2020-11-24T07:06:31.621047Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png", "player_count": 2, "ranked": true }, { "id": 70109, "name": "No8uhuihJjntgyh", "director": { "id": 855613, "username": "CCS2T18", "country": "un", "icon": "https://secure.gravatar.com/avatar/0d7a66380ef2813e965fc063a3129777?s=64&d=retro", "ratings": { "version": 5, 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"min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-14T15:05:58.094898Z", "ended": "2021-01-28T23:19:47.729676Z", "start_waiting": "2021-01-14T15:05:57.928783Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 4, "ranked": true }, { "id": 69591, "name": "Arkansas New Year Tournament", "director": { "id": 154975, "username": "Randomplayer999", "country": "un", "icon": "https://secure.gravatar.com/avatar/8f4e464ae8557c3c7667648b35042a93?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1261.0851291021995, "deviation": 66.53983555356947, "volatility": 0.05994618257598586 } }, "ranking": 20.28702978383955, "professional": false, "ui_class": "" }, "description": "might as well try and do one for us", "schedule": null, "title": null, "tournament_type": "swiss", "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": false, "group": { "id": 3372, "name": "Arkansas Go Club", "summary": "This is a club for all Go enthusiasts across the state.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 27, "icon": "https://user-uploads.online-go.com/3e81b8f1d3953628768e0cf9ba189603-64.png" }, "auto_start_on_max": false, "time_start": "2021-01-02T05:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-01-02T10:42:34.083879Z", "ended": "2021-01-19T16:25:24.859604Z", "start_waiting": "2021-01-02T10:42:33.892574Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3e81b8f1d3953628768e0cf9ba189603-15.png", "player_count": 4, "ranked": true }, { "id": 76163, "name": "Correspondence 19x19 RoundRobin 2021-06-11 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:20260810T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-08-10T19:00:29.078339Z", "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": "2026-08-13T19:00:00Z", "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": "2021-06-11T19:00:31.520559Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2021-06-11T19:01:30.983517Z", "ended": "2021-08-09T03:16:44.800597Z", "start_waiting": "2021-06-11T19:01:29.964107Z", "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 } ] }
