Tournament List
List all tournaments or create a new tournament.
GET /api/v1/tournaments/?format=api&ordering=min_ranking&page=5575
{ "count": 59398, "next": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5576", "previous": "https://online-go.com/api/v1/tournaments/?format=api&ordering=min_ranking&page=5574", "results": [ { "id": 135225, "name": "Southampton Dec2025 13x13 Tournament v4", "director": { "id": 1350621, "username": "SMS-Mr.d", "country": "us", "icon": "https://user-uploads.online-go.com/a37a10b28a4630ef53f62c17e567cca7-64.png", "ratings": { "version": 5, "overall": { "rating": 1087.6431665845494, "deviation": 61.776335264617884, "volatility": 0.05998629219958402 } }, "ranking": 16.861768721103054, "professional": false, "ui_class": "" }, "description": "Southampton Dec2025 13x13 Tournament", "schedule": null, "title": null, "tournament_type": "roundrobin", "handicap": 0, "rules": "japanese", "time_per_move": 7, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 6, "initial_time": 30, "max_time": 45 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14789, "name": "Southampton Middle School Go Club", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 15, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": false, "time_start": "2025-12-10T20:09:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "group", "started": "2025-12-10T20:09:42.725538Z", "ended": "2025-12-10T20:10:45.754226Z", "start_waiting": "2025-12-10T20:09:41.995192Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": true }, { "id": 125076, "name": "19x19 New Zealand Open D.E. #21", "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": 80, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png" }, "auto_start_on_max": true, "time_start": "2025-02-22T04:19:00Z", "players_start": 8, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-02-18T17:20:12.156582Z", "ended": "2026-01-11T09:32:56.009263Z", "start_waiting": "2025-02-18T17:20:12.023593Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png", "player_count": 8, "ranked": true }, { "id": 135798, "name": "HAPPY GO #133 Double Elimination", "director": { "id": 1220803, "username": "nobhaete", "country": "cn", "icon": "https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png", "ratings": { "version": 5, "overall": { "rating": 1870.8072779988947, "deviation": 70.96802092536763, "volatility": 0.0598346971726683 } }, "ranking": 29.417331290058765, "professional": false, "ui_class": "" }, "description": "Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "chinese", "time_per_move": 43884, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 43200, "initial_time": 86400, "max_time": 172800 }, "is_open": true, "exclude_provisional": true, "group": { "id": 12619, "name": "Happy Go!!!", "summary": "Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday \nSingle Elimination tournaments every Thursday\n\nHAPPY", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 70, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png" }, "auto_start_on_max": false, "time_start": "2026-01-04T04:00:00Z", "players_start": 4, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 34, "analysis_enabled": true, "exclusivity": "open", "started": "2026-01-04T04:00:46.878137Z", "ended": null, "start_waiting": "2026-01-04T04:00:46.743047Z", "board_size": 19, "active_round": 2, "icon": "https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png", "player_count": 13, "ranked": true }, { "id": 135226, "name": "Southampton Dec2025 13x13 Tournament v5", "director": { "id": 1350621, "username": "SMS-Mr.d", "country": "us", "icon": "https://user-uploads.online-go.com/a37a10b28a4630ef53f62c17e567cca7-64.png", "ratings": { "version": 5, "overall": { "rating": 1087.6431665845494, "deviation": 61.776335264617884, "volatility": 0.05998629219958402 } }, "ranking": 16.861768721103054, "professional": false, "ui_class": "" }, "description": "Southampton Dec2025 13x13 Tournament", "schedule": null, "title": null, "tournament_type": "swiss", "handicap": 0, "rules": "japanese", "time_per_move": 8, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "rapid", "pause_on_weekends": false, "time_increment": 7, "initial_time": 30, "max_time": 60 }, "is_open": true, "exclude_provisional": false, "group": { "id": 14789, "name": "Southampton Middle School Go Club", "summary": "", "require_invitation": false, "is_public": false, "admin_only_tournaments": true, "hide_details": true, "member_count": 15, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg" }, "auto_start_on_max": true, "time_start": "2025-12-10T21:00:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": false, "exclusivity": "group", "started": "2025-12-10T20:14:10.685244Z", "ended": "2025-12-10T21:04:11.350162Z", "start_waiting": "2025-12-10T20:14:10.511003Z", "board_size": 13, "active_round": null, "icon": "https://cdn.online-go.com/5.1/img/default-group-v5.svg", "player_count": 10, "ranked": false }, { "id": 97556, "name": "💘Valentine's Day's 14x14 tournament💖", "director": { "id": 126739, "username": "🐬Sofiam🐬", "country": "_Olimpic_Movement", "icon": "https://user-uploads.online-go.com/3448d55b1fa874861bc9029bd534f998-64.png", "ratings": { "version": 5, "overall": { "rating": 1012.0554496406809, "deviation": 84.91308607572303, "volatility": 0.076882078105041 } }, "ranking": 15.194279748149173, "professional": false, "ui_class": "" }, "description": "Note: all the games will be unranked. Pauses are not allowed.", "schedule": null, "title": null, "tournament_type": "mcmahon", "handicap": 0, "rules": "japanese", "time_per_move": 1209600, "time_control_parameters": { "system": "simple", "time_control": "simple", "speed": "correspondence", "pause_on_weekends": true, "per_move": 1209600 }, "is_open": true, "exclude_provisional": false, "group": { "id": 6630, "name": "Go friends 🐬", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 360, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png" }, "auto_start_on_max": false, "time_start": "2023-02-14T14:14:00Z", "players_start": 2, "first_pairing_method": "random", "subsequent_pairing_method": "random", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2023-02-14T14:14:11.433889Z", "ended": "2026-04-18T10:42:50.075898Z", "start_waiting": "2023-02-14T14:14:11.136718Z", "board_size": 14, "active_round": null, "icon": "https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png", "player_count": 17, "ranked": true }, { "id": 136845, "name": "BeGinNer fIgHT!! _ ReBooT Ver4_HanDiCap lEagUe", "director": { "id": 1742791, "username": "AKIBABO", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png", "ratings": { "version": 5, "overall": { "rating": 890.5684463441768, "deviation": 62.56282717326118, "volatility": 0.05989484833809532 } }, "ranking": 12.233888355176603, "professional": false, "ui_class": "" }, "description": "BeGinNer fIgHT!! \n어서 오세요~~!! 초보자여~~ \n新手欢迎～～～", "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": 16114, "name": "ShaNgHai_Korean_ChINa_BegInNer", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-64.png" }, "auto_start_on_max": false, "time_start": "2026-02-07T07:00:00Z", "players_start": 4, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 23, "analysis_enabled": false, "exclusivity": "open", "started": "2026-02-07T07:00:50.390669Z", "ended": null, "start_waiting": "2026-02-07T07:00:49.671427Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-15.png", "player_count": 10, "ranked": true }, { "id": 138320, "name": "9x9 Mini League 10k-25k #377", "director": { "id": 1015644, "username": "wiadp1", "country": "pl", "icon": "https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png", "ratings": { "version": 5, "overall": { "rating": 1374.1577458169845, "deviation": 67.47681172290682, "volatility": 0.06020193288384277 } }, "ranking": 22.27488396223929, "professional": false, "ui_class": "" }, "description": "Special league for players between 25kyu and 10kyu. 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": 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": 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": 698, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png" }, "auto_start_on_max": true, "time_start": "2026-03-22T20:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 20, "analysis_enabled": true, "exclusivity": "open", "started": "2026-03-18T11:43:33.054013Z", "ended": null, "start_waiting": "2026-03-18T11:43:32.767227Z", "board_size": 9, "active_round": 1, "icon": "https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png", "player_count": 5, "ranked": true }, { "id": 137311, "name": "Handicap Arena 2026 - 014", "director": { "id": 526987, "username": "Gia", "country": "gr", "icon": "https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png", "ratings": { "version": 5, "overall": { "rating": 1037.37883100195, "deviation": 64.20297467996596, "volatility": 0.06007382619759769 } }, "ranking": 15.766404574828009, "professional": false, "ui_class": "supporter" }, "description": "Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 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": 105, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png" }, "auto_start_on_max": true, "time_start": "2026-02-15T16:00:00Z", "players_start": 5, "first_pairing_method": "slide", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2026-02-15T05:58:49.488100Z", "ended": null, "start_waiting": "2026-02-15T05:58:49.296380Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png", "player_count": 5, "ranked": true }, { "id": 124604, "name": "Doraemon Happy Go (19x19 editions)", "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": "<!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:yellow;\">e</span><big><big><span style=\"color: white;\">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 \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/_Utilxgj8RUAAAAj/peach-goma-peach-and-goma.gif\"width=\"160\"height=\"160\" /></p> \n\n\n<!-- <P><IMG src=\"https://media1.tenor.com/m/LYZ3FOucgP4AAAAd/shinchan-mooning.gif\"width=\"160\"height=\"160\" /></p> -->\n\n <a Href=\"https://online-go.com/group/13797\">\n <span style=\"color: white;\">\n\nWe enjoy playing Go\n\n</div>\n</body>\n</html>\n\n<hr />\n<H2>\n <a Href=\"https://9animetv.to/watch/doraemon-us-17863?ep=69740h\">Doraemon Animes<br></he></span></p>\n</H2>", "schedule": null, "title": null, "tournament_type": "double_elimination", "handicap": 0, "rules": "japanese", "time_per_move": 90782, "time_control_parameters": { "system": "fischer", "time_control": "fischer", "speed": "correspondence", "pause_on_weekends": false, "time_increment": 86400, "initial_time": 259200, "max_time": 259200 }, "is_open": true, "exclude_provisional": true, "group": { "id": 13797, "name": " 无间勤碁术化 Go Advance forward forever", "summary": "欢迎围棋爱好者来到属于您的园地\n\n\n In Your 💖 Go to Universes everywhere", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 496, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png" }, "auto_start_on_max": false, "time_start": "2025-01-24T21:00:00Z", "players_start": 4, "first_pairing_method": "strength", "subsequent_pairing_method": "strength", "min_ranking": 5, "max_ranking": 38, "analysis_enabled": true, "exclusivity": "open", "started": "2025-01-24T21:00:22.481787Z", "ended": "2025-11-07T03:37:49.228577Z", "start_waiting": "2025-01-24T21:00:22.305156Z", "board_size": 19, "active_round": null, "icon": "https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png", "player_count": 16, "ranked": true }, { "id": 136653, "name": "BeGinNer~~ fIgHT!! _ ReBooT Ver1", "director": { "id": 1742791, "username": "AKIBABO", "country": "_GoT_Lannister", "icon": "https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png", "ratings": { "version": 5, "overall": { "rating": 890.5684463441768, "deviation": 62.56282717326118, "volatility": 0.05989484833809532 } }, "ranking": 12.233888355176603, "professional": false, "ui_class": "" }, "description": "BeGinNer~~ fIgHT!! \n초심자 대전쟁!!! \n新手大战！！！！！！！！！", "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": 16114, "name": "ShaNgHai_Korean_ChINa_BegInNer", "summary": "", "require_invitation": false, "is_public": true, "admin_only_tournaments": false, "hide_details": false, "member_count": 2, "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-64.png" }, "auto_start_on_max": true, "time_start": "2026-01-28T09:00:00Z", "players_start": 8, "first_pairing_method": "strength", "subsequent_pairing_method": "slaughter", "min_ranking": 5, "max_ranking": 15, "analysis_enabled": false, "exclusivity": "open", "started": "2026-01-28T09:00:26.691168Z", "ended": null, "start_waiting": "2026-01-28T09:00:26.175788Z", "board_size": 19, "active_round": 1, "icon": "https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-15.png", "player_count": 11, "ranked": true } ] }
