Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=-player_count&page=68
{ "count": 60619, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=69", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=-player_count&page=67", "results": [ { "id": 54365, "name": "UOGC 19x19 Championship 2020", "director": { "id": 87790, "username": "WiseBear", "country": "ru", "icon": "https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png", "ratings": { "version": 5, "overall": { "rating": 1104.0021061102002, "deviation": 62.08308547890164, "volatility": 0.06028822213904829 } }, "ranking": 17.207368885691388, "professional": false, "ui_class": "" }, "description": "UOGS Championship Tournament on 19x19 Board", "schedule": null, "title": null, "tournament_type": "elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 129600, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 4121, "name": "Universal Online Go Club", "summary": "No longer operated.", "require_invitation": true, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 149, "icon": "https://user-uploads.online-go.com/cc6e6be864d8216b119aa1f58db5a937-64.png" }, "auto_start_on_max": true, "time_start": "2020-03-01T12:00:00Z", "players_start": 8, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2020-03-01T12:00:16.040503Z", "ended": "2022-02-01T14:51:52.076933Z", "start_waiting": "2020-03-01T12:00:12.497730Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/cc6e6be864d8216b119aa1f58db5a937-15.png", "player_count": 56, "ranked": true }, { "id": 75664, "name": "Long Game 9999", "director": { "id": 791718, "username": "StormPoseidon", "country": "us", "icon": "https://user-uploads.online-go.com/df5a7920cdb117a8fd186c7c7bfde50e-64.png", "ratings": { "version": 5, "overall": { "rating": 1014.6049575149217, "deviation": 65.63027450319301, "volatility": 0.05999370468462913 } }, "ranking": 15.25252447253857, "professional": false, "ui_class": "" }, "description": "It will be 9999 (very long) game!", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 2419200, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 2419200 }, "is_open": true, "exclude_provisional": false, "group": { "id": 1144, "name": "Taiwanese", "summary": "Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 183, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png" }, "auto_start_on_max": false, "time_start": "2021-09-09T13:09:00Z", "players_start": 6, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-09-09T13:09:29.881003Z", "ended": null, "start_waiting": "2021-09-09T13:09:28.517195Z", "board_size": 19, "active_round": 4, "icon": "https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png", "player_count": 56, "ranked": true }, { "id": 98215, "name": "30th Apr 1.5 day/step", "director": { "id": 1040579, "username": "Squirrelder松鼠長老", "country": "tw", "icon": "https://user-uploads.online-go.com/d3f23d9e084effcc318f1e7a29013710-64.png", "ratings": { "version": 5, "overall": { "rating": 1253.4630855387786, "deviation": 62.516130017129726, "volatility": 0.059917358777915014 } }, "ranking": 20.146685806436633, "professional": false, "ui_class": "" }, "description": "for everyone who would like to join, have fun.", "schedule": null, "title": null, "tournament_type": "s_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": false, "group": { "id": 11838, "name": "蕭兔孽徒團 (Xiao Tu Legion)", "summary": "本群是黑嘉嘉成人班學員們在OGS開的社團，歡迎其他人加入社團一起交流。\nWe are students from Hei Jiajia Online Course in Taiwan, We are also welcome player around the world.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 327, "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-64.png" }, "auto_start_on_max": false, "time_start": "2023-04-29T22:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-04-29T22:00:52.481209Z", "ended": "2025-01-10T12:11:26.430023Z", "start_waiting": "2023-04-29T22:00:49.435506Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-15.png", "player_count": 56, "ranked": true }, { "id": 139845, "name": "Monthly Simultaneous McMahon 2026-05-16 17:00", "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": 10, "name": "Monthly Simultaneous McMahon", "rrule": "DTSTART:20260801T170000Z\nRRULE:FREQ=MONTHLY", "active": true, "created": "2015-12-16T02:47:16.592231Z", "last_run": "2026-08-01T17:00:16.510180Z", "lead_time_seconds": 1296000, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "size": 19, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclude_provisional": true, "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "settings": { "num_rounds": 3, "upper_bar": "25", "lower_bar": "15", "group_size": 5, "maximum_players": 200 }, "next_run": "2026-09-01T17:00:00Z", "base_points": "50.0" }, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "time_control_parameters": { "time_control": "fischer", "initial_time": 259200, "max_time": 259200, "time_increment": 86400 }, "is_open": true, "exclude_provisional": true, "group": null, "auto_start_on_max": false, "time_start": "2026-05-16T17:00:48.908726Z", "players_start": 20, "first_pairing_method": "random", "subsequent_pairing_method": "strength", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2026-05-16T17:00:51.617285Z", "ended": null, "start_waiting": "2026-05-16T17:00:49.999760Z", "board_size": 19, "active_round": 1, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 55, "ranked": true }, { "id": 112624, "name": "8º Tournament in Memory of Hans Reinhard Pietsch", "director": { "id": 177197, "username": "Go Sertão", "country": "br", "icon": "https://user-uploads.online-go.com/099aa561825351aebf052f1b185f853b-64.png", "ratings": { "version": 5, "overall": { "rating": 1324.855037180643, "deviation": 72.4828821027487, "volatility": 0.05928984767534049 } }, "ranking": 21.429030480258113, "professional": false, "ui_class": "" }, "description": "https://en.wikipedia.org/wiki/Hans_Pietsch", "schedule": null, "title": null, "tournament_type": "elimination", "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": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 143, "name": "Deutsche Gruppe", "summary": "Die Gruppe für alle Deutschsprachigen.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 767, "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-64.png" }, "auto_start_on_max": false, "time_start": "2024-09-27T15:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-09-27T15:00:58.286795Z", "ended": "2025-12-04T19:37:31.419808Z", "start_waiting": "2024-09-27T15:00:57.721292Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/be4d45d599a2563f696f98cd7136817c-15.png", "player_count": 55, "ranked": true }, { "id": 94515, "name": "（McMahon Pairing）麥克馬克洪賽制Test 3", "director": { "id": 1040579, "username": "Squirrelder松鼠長老", "country": "tw", "icon": "https://user-uploads.online-go.com/d3f23d9e084effcc318f1e7a29013710-64.png", "ratings": { "version": 5, "overall": { "rating": 1253.4630855387786, "deviation": 62.516130017129726, "volatility": 0.059917358777915014 } }, "ranking": 20.146685806436633, "professional": false, "ui_class": "" }, "description": "Test 3, 請大家見諒 有興趣的人可以參加看看", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 864000, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 864000 }, "is_open": true, "exclude_provisional": false, "group": { "id": 11838, "name": "蕭兔孽徒團 (Xiao Tu Legion)", "summary": "本群是黑嘉嘉成人班學員們在OGS開的社團，歡迎其他人加入社團一起交流。\nWe are students from Hei Jiajia Online Course in Taiwan, We are also welcome player around the world.", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": false, "member_count": 327, "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-64.png" }, "auto_start_on_max": false, "time_start": "2022-09-22T17:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-09-22T14:00:20.414300Z", "ended": "2024-08-04T15:21:19.903337Z", "start_waiting": "2022-09-22T14:00:16.478661Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/bc78597580f1cf5b9b6f3d07761091a0-15.png", "player_count": 55, "ranked": true }, { "id": 77022, "name": "Double murder", "director": { "id": 49142, "username": "snargleplax", "country": "_Starfleet", "icon": "https://secure.gravatar.com/avatar/711f3930045204ae41351b76d011f781?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1794.1272909064887, "deviation": 64.19884959440215, "volatility": 0.059939565039934375 } }, "ranking": 28.448473177108013, "professional": false, "ui_class": "" }, "description": "Work out your aggression, and let them know you by the trail of dead groups in your wake.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 75840, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 72000, "initial_time": 345600, "max_time": 691200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 6376, "name": "Batts / Dwyrin's community go club", "summary": "Come and practice your Basics, murder or get murdered on mondays (or anyday), and channel your inner Legend88.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 126, "icon": "https://user-uploads.online-go.com/505f3a9780d89474c3cd77624ddb11cb-64.png" }, "auto_start_on_max": true, "time_start": "2021-08-03T04:00:00Z", "players_start": 16, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 12, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-08-03T04:00:33.295431Z", "ended": "2024-07-10T03:19:21.127669Z", "start_waiting": "2021-08-03T04:00:32.243174Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/505f3a9780d89474c3cd77624ddb11cb-15.png", "player_count": 55, "ranked": true }, { "id": 9518, "name": "Baja 19x19 15k-11k", "director": { "id": 66704, "username": "mita va", "country": "at", "icon": "https://user-uploads.online-go.com/7a4d02532a68fa46afdbca6ba63e594a-64.png", "ratings": { "version": 5, "overall": { "rating": 735.4803060263768, "deviation": 64.17552755428969, "volatility": 0.0591269631851293 } }, "ranking": 7.804455343163836, "professional": false, "ui_class": "supporter" }, "description": "sert jhrt", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "time_control": "fischer", "initial_time": 86400, "max_time": 604800, "time_increment": 86400 }, "is_open": true, "exclude_provisional": false, "group": { "id": 91, "name": "Magyar", "summary": "Hungarian go players", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 87, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2015-10-01T17:01:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 15, "max_ranking": 19, "analysis_enabled": false, "exclusivity": "open", "started": "2015-10-01T17:01:06.202241Z", "ended": "2019-01-13T14:24:34.188150Z", "start_waiting": "2015-10-01T17:01:05.090018Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 55, "ranked": true }, { "id": 32528, "name": "Tournament 41", "director": { "id": 12573, "username": "Misawa", "country": "us", "icon": "https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png", "ratings": { "version": 5, "overall": { "rating": 977.5796256115817, "deviation": 69.02183474866371, "volatility": 0.05986671976150141 } }, "ranking": 14.391926363316212, "professional": false, "ui_class": "" }, "description": "Last tournament starting this year! Remember how you made those tank goals at the beginning of the year? Let’s see how you did! Jump in!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 91200, "time_control_parameters": { "system": "fischer", "pause_on_weekends": false, "time_control": "fischer", "initial_time": 432000, "max_time": 432000, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": true, "group": { "id": 343, "name": "Global Go Club", "summary": "Open Go club for people anywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 596, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png" }, "auto_start_on_max": false, "time_start": "2018-01-01T07:59:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2018-01-01T08:00:06.703285Z", "ended": "2020-02-03T07:53:50.255920Z", "start_waiting": "2018-01-01T07:59:39.698384Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png", "player_count": 55, "ranked": true }, { "id": 43518, "name": "Another cookie tournament (9X9)", "director": { "id": 434287, "username": "plunco123", "country": "sg", "icon": "https://user-uploads.online-go.com/09c2e06377580c17170f0176640e628c-64.png", "ratings": { "version": 5, "overall": { "rating": 1065.148398354857, "deviation": 62.98616519671558, "volatility": 0.060034951495478994 } }, "ranking": 16.377957053584552, "professional": false, "ui_class": "" }, "description": "This is a continuation of the first cookie tournament\n\nAt least 100 players\n\nPairing by strength\n\nONLY KYU LEVELS NO DANS (With provisional players)", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 89280, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "initial_time": 259200, "max_time": 604800, "time_increment": 86400, "speed": "correspondence" }, "is_open": true, "exclude_provisional": false, "group": { "id": 375, "name": "Singapore Go Group", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 94, "icon": "https://user-uploads.online-go.com/529c6f8d9bf74e0c7bad9bd6a682570e-64.png" }, "auto_start_on_max": true, "time_start": "2019-05-31T02:00:00Z", "players_start": 100, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2019-06-08T22:44:09.603249Z", "ended": "2020-02-07T21:53:37.631502Z", "start_waiting": "2019-06-08T22:44:05.916045Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/529c6f8d9bf74e0c7bad9bd6a682570e-15.png", "player_count": 55, "ranked": true } ] }
