Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=board_size&page=5686
{ "count": 60023, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5687", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=board_size&page=5685", "results": [ { "id": 115957, "name": "19x19 New Zealand Open D.E. #8", "director": { "id": 178104, "username": "dexonsmith", "country": "ca", "icon": "https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png", "ratings": { "version": 5, "overall": { "rating": 1390.7732166446785, "deviation": 67.55416504748428, "volatility": 0.06064009346038413 } }, "ranking": 22.55312076827671, "professional": false, "ui_class": "supporter" }, "description": "All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 19x19 board. Even games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "nz", "time_per_move": 88451, "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": 14024, "name": "New Zealand Ladders", "summary": "Group for ladders and tournaments that use New Zealand rules.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 79, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2024-06-01T03:19:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2024-05-31T17:03:24.786249Z", "ended": "2025-02-16T09:37:37.557891Z", "start_waiting": "2024-05-31T17:03:24.666178Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 8, "ranked": true }, { "id": 132848, "name": "Kranj 117", "director": { "id": 134125, "username": "mitava", "country": "at", "icon": "https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png", "ratings": { "version": 5, "overall": { "rating": 789.792021382491, "deviation": 64.86396886901105, "volatility": 0.059924389565863295 } }, "ranking": 9.453797542761778, "professional": false, "ui_class": "" }, "description": "19x19", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 38051, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 36000, "initial_time": 259200, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 374, "name": "Slovenija", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 55, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png" }, "auto_start_on_max": true, "time_start": "2025-10-03T15:00:00Z", "players_start": 3, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 10, "analysis_enabled": true, "exclusivity": "open", "started": "2025-10-03T15:00:49.378757Z", "ended": "2026-06-12T09:12:28.554355Z", "start_waiting": "2025-10-03T15:00:49.297615Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png", "player_count": 5, "ranked": true }, { "id": 79093, "name": "Blitz 19x19 Elimination Tournament 2021-08-21 13:30", "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:20260624T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-06-24T13:00:16.124700Z", "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": "2026-06-24T17:00:00Z", "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": "2021-08-21T13:30:05.662412Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-08-21T13:30:07.023135Z", "ended": "2021-08-21T14:05:20.954027Z", "start_waiting": "2021-08-21T13:30:06.902083Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 7, "ranked": true }, { "id": 134605, "name": "Handicap Arena 2025 - 095", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1048.0431981903662, "deviation": 64.6022523721619, "volatility": 0.06006190641971112 } }, "ranking": 16.0031741581676, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": -1, "rules": "japanese", "time_per_move": 88451, "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": 13655, "name": "Handicap Arena", "summary": "Organising arena-type handicap correspondence tournaments.", "require_invitation": false, "is_public": true, "admin_only_tournaments": true, "hide_details": false, "member_count": 108, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2025-11-24T17:00:00Z", "players_start": 10, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-11-24T16:31:27.627086Z", "ended": "2026-05-12T06:51:06.994802Z", "start_waiting": "2025-11-24T16:31:26.641461Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 10, "ranked": true }, { "id": 77665, "name": "그룹 최고 기사 결정", "director": { "id": 1025587, "username": "wbhenna", "country": "un", "icon": "https://secure.gravatar.com/avatar/82c16c698c3bec167d3e85e9946247e1?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 809.3455858125291, "deviation": 121.63262541199306, "volatility": 0.059997003892859266 } }, "ranking": 10.019962175968388, "professional": false, "ui_class": "" }, "description": "그룹의 최고 기사를 결정합니다!(우리그룹만 들어오기로 약속)", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "korean", "time_per_move": 31, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "live", "pause_on_weekends": false, "time_increment": 30, "initial_time": 120, "max_time": 300 }, "is_open": true, "exclude_provisional": false, "group": { "id": 25, "name": "Go Basics", "summary": "A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 18023, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png" }, "auto_start_on_max": false, "time_start": "2021-07-17T09:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2021-07-17T14:33:36.556447Z", "ended": "2021-07-17T14:38:39.798904Z", "start_waiting": "2021-07-17T14:33:36.472380Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png", "player_count": 2, "ranked": true }, { "id": 78101, "name": "Blitz 19x19 Elimination Tournament 2021-07-27 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:20260624T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4", "active": true, "created": "2014-12-20T06:06:42.010011Z", "last_run": "2026-06-24T13:00:16.124700Z", "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": "2026-06-24T17:00:00Z", "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": "2021-07-27T17:30:54.352275Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slide", "min_ranking": 0, "max_ranking": 36, "analysis_enabled": false, "exclusivity": "open", "started": "2021-07-27T17:30:55.128444Z", "ended": "2021-07-27T17:58:26.439053Z", "start_waiting": "2021-07-27T17:30:55.016398Z", "board_size": 19, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png", "player_count": 5, "ranked": true }, { "id": 104308, "name": "Cho Chikun Birthday DDK Tournament 2023", "director": { "id": 58836, "username": "DrQuantum", "country": "us", "icon": "https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png", "ratings": { "version": 5, "overall": { "rating": 914.8060519165991, "deviation": 62.60218984084532, "volatility": 0.05898022913976336 } }, "ranking": 12.855514819510503, "professional": false, "ui_class": "" }, "description": "Celebrating the birthday (June 20) of the wild-haired go professional, Cho Chikun. Enjoy!", "schedule": null, "title": null, "tournament_type": "s_mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 88451, "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": 43, "name": "Kyu Level Study Group", "summary": "A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 8909, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png" }, "auto_start_on_max": false, "time_start": "2023-06-20T14:00:00Z", "players_start": 8, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2023-07-03T19:23:57.822362Z", "ended": "2024-11-03T12:07:20.539364Z", "start_waiting": "2023-07-03T19:23:57.431205Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png", "player_count": 8, "ranked": true }, { "id": 82742, "name": "Fischer day one", "director": { "id": 1070666, "username": "Kun Go", "country": "jp", "icon": "https://secure.gravatar.com/avatar/d878ad9d639b03d43446c23c992dd35f?s=64&d=retro", "ratings": { "version": 5, "overall": { "rating": 1076.8199718797084, "deviation": 92.01221287701095, "volatility": 0.06002401180929444 } }, "ranking": 16.630247988493107, "professional": false, "ui_class": "" }, "description": "Fischer day one 18 00", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 87360, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 86400, "max_time": 604800 }, "is_open": true, "exclude_provisional": false, "group": { "id": 10493, "name": "Like 19 on 19", "summary": "Who likes tournaments on a 19 by 19 board!Then come to us!BUT there is a problem, the The group is closed! write to us, that is, KunGo, Gost Go!", "require_invitation": false, "is_public": false, "admin_only_tournaments": false, "hide_details": true, "member_count": 37, "icon": "https://user-uploads.online-go.com/3679ee129f9cfd7d20bf4fd8ac8aa814-64.png" }, "auto_start_on_max": false, "time_start": "2021-11-21T15:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2021-11-21T15:00:21.927005Z", "ended": "2022-05-07T21:56:47.323246Z", "start_waiting": "2021-11-21T15:00:21.823716Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/3679ee129f9cfd7d20bf4fd8ac8aa814-15.png", "player_count": 6, "ranked": true }, { "id": 132834, "name": "Go advance forward forever - Kyu rank Warriors tournament D.E. #18", "director": { "id": 1436588, "username": "Arrow A6 anti-", "country": "zz", "icon": "https://user-uploads.online-go.com/8670729a0e8d1142fea14d8bd6800517-64.png", "ratings": { "version": 5, "overall": { "rating": 588.6751839572613, "deviation": 80.73457404236709, "volatility": 0.0636275307525229 } }, "ranking": 5, "professional": false, "ui_class": "" }, "description": "All Kyu rank players welcome to joining and play Have Fun Enjoy 🎊\n\nWish all players will get what you want to achieve😎\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n <meta charset=\"UTF-8\">\n <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n<!-- <title>左对齐文本</title> -->\n\n <style>\n .left-align {\n \n \n text-align: left;\n }\n \n p {\n\n margin: 0;\n\n padding: 0;\n }\n\n </style>\n</head>\n<body>\n <div class=\"left-align\">\n <p><H2><I><a Href=\"https://online-go.com/group/13797\"><big><span style=\"color:pink;\">W</big><span style=\"color:white;\">e</span><big><big><span style=\"color: skyblue;\">l</span></big></big><span style=\"color: springgreen;\">c</span><span style=\"color:red;\">o</span><span style=\"color:orange;\">m</span><span style=\"color: yellow;\">e</span> <big><big>j</big></big>o<big>i</big>n Us</I><br>\n <a Href=\"https://online-go.com/group/13797\">\n <span style=\"color:gold;\">无间勤碁术化<br><span style=\"color:purple;\">Go Advance forward forever</he></span></p> \n <P><a Href=\"https://online-go.com/group/13797\">\n <IMG src=\"https://b0c2ddc39d13e1c0ddad-93a52a5bc9e7cc06050c1a999beb3694.ssl.cf1.rackcdn.com/9682e94fbb47d2ccab4998f738b6b042-128.png\"></p> \n <p><IMG src=\"https://media4.giphy.com/media/11JTxkrmq4bGE0/giphy.gif?cid=6c09b9525bmqpkj81egnar3ji8s1u8ysb75ohcn47y76avgg&ep=v1_internal_gif_by_id&rid=giphy.gif&ct=g\"width=\"160\"height=\"160\" /><IMG src=\"https://media.tenor.com/71WlQSKxyrQAAAAC/good-luck.gif\"width=\"160\"height=\"160\" /></p>\n\n\n\n\nWe enjoy playing Go\n\n</div>\n</body>\n</html>\n\n<hr />\n\n\n\n\n<!-- <p>\n<embed src=\"https://www.youtube.com/embed/ZHhqwBwmRkI\"width=\"360\" height=\"240\">\n</p> -->\n\n\n<p>\n<embed src=\"https://www.youtube.com/embed/oautjk0v9pI\"width=\"360\" height=\"240\">\n</p>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/fmI_Ndrxy14\"width=\"360\" height=\"240\">\n</p>\n\n<p>\n<embed src=\"https://www.youtube.com/embed/I76wvt0aEE4\"width=\"360\" height=\"240\">\n</p>\n\n\n\n<!-- <p>\n<embed src=\"https://www.youtube.com/embed/ah2KQGi8Swk\"width=\"360\" height=\"240\">\n</p> -->\n\n\n\n\n<a href=\"https://info.flagcounter.com/oDuH\"><img src=\"https://s01.flagcounter.com/mini/oDuH/bg_000000/txt_FFFFFF/border_CCCCCC/flags_0/\" alt=\"Flag Counter\" border=\"0\"></a>\n\n\n\n<p style=\"display:none;83512\"> \n</p> \n\n<div style=\"display:none;12345\"> \n</div>", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 87426, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": true, "time_increment": 86400, "initial_time": 129600, "max_time": 129600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 13797, "name": " 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