Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4473
{ "count": 60340, "next": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4474", "previous": "https://online-go.com/api/v1/tournaments?format=api&ordering=-subsequent_pairing_method&page=4472", "results": [ { "id": 92238, "name": "Akwa 28", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 776.0568204650347, "deviation": 65.1944237557439, "volatility": 0.05993216649471857 } }, "ranking": 9.047656096247819, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "roundrobin", "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": 5 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3317, "name": "Akwa-chichirmala", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 7, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2022-07-10T15:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 14, "max_ranking": 18, "analysis_enabled": true, "exclusivity": "open", "started": "2022-07-10T15:00:26.928107Z", "ended": "2022-09-27T19:44:40.679103Z", "start_waiting": "2022-07-10T15:00:26.556878Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 8, "ranked": true }, { "id": 91659, "name": "麦克马洪锦标赛 9x9", "director": { "id": 1026575, "username": "quit account", "country": "zz", "icon": "https://user-uploads.online-go.com/7b8e5b0dfbfa5ffe8e72947f8389fe38-64.png", "ratings": { "version": 5, "overall": { "rating": 682.3591613619444, "deviation": 66.91658065833482, "volatility": 0.060261633514665056 } }, "ranking": 6.068955065393972, "professional": false, "ui_class": "" }, "description": "25k-1d", "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": false, "group": { "id": 11924, "name": "Chinese Group", "summary": "A random and great chat group and a place to play go like I will say in the group page", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 37, "icon": "https://user-uploads.online-go.com/79137d0457bde8a14c4e3567d3424603-64.png" }, "auto_start_on_max": false, "time_start": "2022-06-25T13:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 30, "analysis_enabled": true, "exclusivity": "open", "started": "2022-06-25T13:00:58.342566Z", "ended": "2022-10-04T11:13:44.236624Z", "start_waiting": "2022-06-25T13:00:58.195344Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/79137d0457bde8a14c4e3567d3424603-15.png", "player_count": 5, "ranked": true }, { "id": 96177, "name": "HUGO2015", "director": { "id": 1053160, "username": "Hugo2015", "country": "cn", "icon": "https://secure.gravatar.com/avatar/d64c04b3a494f6552609d5608aea189d?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 920.6489727758353, "deviation": 67.52247899148308, "volatility": 0.060047119924063745 } }, "ranking": 13.002905055703778, "professional": false, "ui_class": "" }, "description": "19X19", "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": 9992, "name": "Équipe de France Jeunes", "summary": "<b>Calendrier de la session 3</b><br>\nRonde 5 : lundi 30 mars, cours 18h30-19h suivi des parties. Pédagogue : Warren<br>\n\n---<br>\nSi vous ne pouvez pas être présent, veuillez contacter votre adversaire dès que possible.\n<br>\nSi votre adversaire n'est pas l", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 66, "icon": "https://user-uploads.online-go.com/f3cc65b9cbd37b0642c70e30e9d92ff4-64.png" }, "auto_start_on_max": false, "time_start": "2022-10-31T15:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2022-10-31T15:00:17.163309Z", "ended": "2023-01-03T07:23:00.673835Z", "start_waiting": "2022-10-31T15:00:17.051821Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/f3cc65b9cbd37b0642c70e30e9d92ff4-15.png", "player_count": 5, "ranked": true }, { "id": 96235, "name": "Correspondence 19x19 RoundRobin 2022-10-31 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:20260720T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:58:31.027016Z", "last_run": "2026-07-20T19:00:48.880348Z", "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": "2026-07-23T19:00:00Z", "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": "2022-10-31T19:00:26.779672Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2022-10-31T19:00:28.506993Z", "ended": "2023-04-02T11:39:53.227126Z", "start_waiting": "2022-10-31T19:00:28.156854Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 9, "ranked": true }, { "id": 93484, "name": "9x9 Mini League 1k-9k #37", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1304.0449737080983, "deviation": 72.33565864620505, "volatility": 0.060239346492758986 } }, "ranking": 21.06251746707549, "professional": false, "ui_class": "" }, "description": "Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842", "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", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 3524, "name": "9x9 Lovers", "summary": "A group for Go players who love the 9x9 board.", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 714, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2022-08-21T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 21, "max_ranking": 29, "analysis_enabled": true, "exclusivity": "open", "started": "2022-08-21T12:19:04.494927Z", "ended": "2022-09-08T21:41:09.198642Z", "start_waiting": "2022-08-21T12:19:04.291165Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 38926, "name": "Mini Go League 10 G3", "director": { "id": 463304, "username": "Jim GWW", "country": "th", "icon": "https://user-uploads.online-go.com/8112ea51fdc115e074a1943fedb03ac7-64.png", "ratings": { "version": 5, "overall": { "rating": 1679.9234722131403, "deviation": 63.655286730890595, "volatility": 0.05963216680992718 } }, "ranking": 26.92588668830054, "professional": false, "ui_class": "" }, "description": "รายชื่อ\n14 Jin Freecs // Jin th\n19 กีรติ กลิ่นเรือง // loliconbanzai\n9 Adam Wu // Trigger1\n16 Anucha Thuvaphokai //zirth\n5 จักรกฤษ สุวรรณรัตน์ //Kritsvc", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 26880, "time_control_parameters": { "total_time": 2419200, "time_control": "absolute", "speed": "correspondence", "system": "absolute", "pause_on_weekends": true }, "is_open": true, "exclude_provisional": false, "group": { "id": 2636, "name": "Mini Go League (TH)", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 44, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2018-07-10T07:01:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2018-07-10T07:01:47.273477Z", "ended": "2018-07-27T13:22:04.259053Z", "start_waiting": "2018-07-10T07:01:46.341854Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 5, "ranked": true }, { "id": 123934, "name": "01/2025", "director": { "id": 1688481, "username": "ViGO.", "country": "ua", "icon": "https://secure.gravatar.com/avatar/4dec56eaf8b73fe368a5b5d41a110929?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 766.8516231912174, "deviation": 179.8474037835378, "volatility": 0.06000046730465574 } }, "ranking": 8.771420852042349, "professional": false, "ui_class": "provisional" }, "description": "01/2025", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": -1, "rules": "japanese", "time_per_move": 95543, "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": 14924, "name": "ViGO+2S", "summary": "", "require_invitation": true, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 3, "icon": "https://user-uploads.online-go.com/43225dba03a328a845726f6692935968-64.png" }, "auto_start_on_max": true, "time_start": "2025-01-03T19:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-01-03T18:52:33.014088Z", "ended": "2025-01-18T18:45:11.462919Z", "start_waiting": "2025-01-03T18:52:32.966062Z", "board_size": 9, "active_round": null, "icon": "https://user-uploads.online-go.com/43225dba03a328a845726f6692935968-15.png", "player_count": 3, "ranked": true }, { "id": 131313, "name": "Correspondence 9x9 RoundRobin 2025-08-12 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": 5, "name": "Correspondence 9x9 RoundRobin", "rrule": "DTSTART:20260719T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3", "active": true, "created": "2015-02-20T05:56:18.340749Z", "last_run": "2026-07-19T19:00:48.807113Z", "lead_time_seconds": 86400, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "size": 9, "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": "2026-07-22T19:00:00Z", "base_points": "10.0" }, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 95543, "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": "2025-08-12T19:00:53.209002Z", "players_start": 4, "first_pairing_method": "slaughter", "subsequent_pairing_method": "slaughter", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": true, "exclusivity": "open", "started": "2025-08-12T19:00:53.635230Z", "ended": "2025-09-10T23:46:11.147734Z", "start_waiting": "2025-08-12T19:00:53.379871Z", "board_size": 9, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png", "player_count": 7, "ranked": true }, { "id": 92261, "name": "余啟睿 陳俊霖", "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": "余啟睿\n陳俊霖", "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": 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": "2022-07-10T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-07-10T07:47:57.128391Z", "ended": "2022-07-10T08:20:23.038624Z", "start_waiting": "2022-07-10T07:47:57.080189Z", "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": 92262, "name": "駱皓希 張溢滇", "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": "駱皓希\n張溢滇", "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": 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": "2022-07-10T08:00:00Z", "players_start": 2, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2022-07-10T07:47:29.267163Z", "ended": "2022-07-10T08:11:52.914155Z", "start_waiting": "2022-07-10T07:47:29.213305Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 2, "ranked": true } ] }