{"count":59890,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=30","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=28","results":[{"id":72962,"name":"II Corona Birthday Tournament","director":{"id":301008,"username":"mokotower","country":"pl","icon":"https://user-uploads.online-go.com/93a4b006f9047f90c9de46517068a909-64.png","ratings":{"version":5,"overall":{"rating":1154.4409354838044,"deviation":70.04494926131753,"volatility":0.05959747465107512}},"ranking":18.241579687361327,"professional":false,"ui_class":""},"description":"Enjoy the cake!","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":91200,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":432000,"max_time":432000},"is_open":true,"exclude_provisional":true,"group":{"id":2952,"name":"Nonsensuji - Weiqi/Go/Baduk Club","summary":"Krótki opis, opis grupy.","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":5,"icon":"https://user-uploads.online-go.com/5d71b893361a4c2fe012e8eda6603000-64.png"},"auto_start_on_max":false,"time_start":"2021-06-27T06:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-06-27T06:00:13.322053Z","ended":"2022-09-25T12:48:27.897230Z","start_waiting":"2021-06-27T06:00:10.451011Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5d71b893361a4c2fe012e8eda6603000-15.png","player_count":29,"ranked":true},{"id":73866,"name":"14 Entrenamiento de Go, abril 2021","director":{"id":88120,"username":"satoshi84","country":"mx","icon":"https://user-uploads.online-go.com/6a6404f3dd53bce3fc1e4a88fb357e2e-64.png","ratings":{"version":5,"overall":{"rating":1136.7959829193692,"deviation":78.40429708623937,"volatility":0.06016044531576248}},"ranking":17.885013568829635,"professional":false,"ui_class":""},"description":"http://www.josekipedia.com/","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":30,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":900,"period_time":20,"periods":2},"is_open":true,"exclude_provisional":false,"group":{"id":4974,"name":"Taller de Go-Biblioteca de México","summary":"Torneos todos los sábados a las 17:30 hrs (Ciudad de México)","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":236,"icon":"https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-64.png"},"auto_start_on_max":false,"time_start":"2021-04-17T22:30:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2021-04-17T22:30:58.950319Z","ended":"2021-04-18T00:51:15.869877Z","start_waiting":"2021-04-17T22:30:58.251642Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/319cd1b5d5788d57faf6978158a6f97d-15.png","player_count":23,"ranked":true},{"id":74382,"name":"4月 第一輪 雷其林 對 簡頌賢","director":{"id":928963,"username":"傳碁學園-歷碁賽","country":"hk","icon":"https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png","ratings":{"version":5,"overall":{"rating":1500,"deviation":350,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"4月 第一輪 雷其林 對 簡頌賢","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":16,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"live","pause_on_weekends":false,"total_time":1500},"is_open":true,"exclude_provisional":false,"group":{"id":8175,"name":"歷碁賽 A組","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":9,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2021-04-25T09:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2021-04-25T08:03:03.872280Z","ended":"2021-04-25T08:29:47.439622Z","start_waiting":"2021-04-25T08:03:03.793232Z","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":65869,"name":"OGC October Tournament 19k-15k","director":{"id":138181,"username":"Clossius","country":"us","icon":"https://user-uploads.online-go.com/423037a54347a4a9a1ae2eaf15ceea96-64.png","ratings":{"version":5,"overall":{"rating":2009.108246484941,"deviation":62.20658121414229,"volatility":0.06018656363339447}},"ranking":31.068410772900062,"professional":false,"ui_class":"supporter"},"description":"OGC October Tournament 19k-15k","schedule":null,"title":null,"tournament_type":"double_elimination","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":5},"is_open":true,"exclude_provisional":true,"group":{"id":2144,"name":"The Online Go Club","summary":"A fun group for players to play and make friends!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":247,"icon":"https://user-uploads.online-go.com/806d6fed72c1e320ac298fb816c0b8fc-64.png"},"auto_start_on_max":false,"time_start":"2020-10-03T15:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":11,"max_ranking":15,"analysis_enabled":true,"exclusivity":"open","started":"2020-10-03T15:00:31.703816Z","ended":"2020-10-03T19:38:36.554598Z","start_waiting":"2020-10-03T15:00:31.431817Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/806d6fed72c1e320ac298fb816c0b8fc-15.png","player_count":9,"ranked":true},{"id":128745,"name":"19x19","director":{"id":1693139,"username":"Yoyot","country":"_Pirate","icon":"https://user-uploads.online-go.com/c7a10116f36c73e4027ed5780f1404a6-64.png","ratings":{"version":5,"overall":{"rating":2797.1620283218504,"deviation":98.30143363053564,"volatility":0.060555783911471886}},"ranking":38,"professional":false,"ui_class":""},"description":"Ggggģggghhjjjjk","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"aga","time_per_move":623947,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":604800,"initial_time":2419200,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":15104,"name":"Les BG","summary":"Un petit groupe pour les BG qui jouent au go. Vous êtes un BG? Alors ne trahissez pas les peu de BG qu'il y a dans le monde et soyez à votre PRIME!","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":11,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2025-05-23T17:00:00Z","players_start":2,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-05-23T17:00:58.467481Z","ended":"2025-07-03T05:30:43.121024Z","start_waiting":"2025-05-23T17:00:58.421850Z","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":66361,"name":"Blitz 19x19 Elimination Tournament 2020-10-06 21:30","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:20260611T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-11T13:00:18.863960Z","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":"2026-06-11T17:00:00Z","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":"2020-10-06T21:30:49.643980Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-10-06T21:30:51.299106Z","ended":"2020-10-06T22:02:21.234761Z","start_waiting":"2020-10-06T21:30:50.910542Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":4,"ranked":true},{"id":73359,"name":"中級リーグ（9級～6級）","director":{"id":874208,"username":"FUKO.S","country":"jp","icon":"https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png","ratings":{"version":5,"overall":{"rating":2208.151542128061,"deviation":68.94747429756583,"volatility":0.06003767154281009}},"ranking":33.25527075653788,"professional":false,"ui_class":"supporter"},"description":"キラキラリーグ内の【中級者向け】リーグ戦です。 持ち時間は10日。 2021年4月8日のリーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\n全部のゲームが一斉に始まりますので、自分の手番になっている対局はどんどん着手していきましょう。","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":9600,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":false,"total_time":864000},"is_open":true,"exclude_provisional":false,"group":{"id":7692,"name":"Yushima Go Cafe （湯島囲碁喫茶）","summary":"This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":114,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"},"auto_start_on_max":false,"time_start":"2021-04-08T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2021-04-08T11:00:24.148320Z","ended":"2021-04-23T16:37:17.134560Z","start_waiting":"2021-04-08T11:00:23.341434Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png","player_count":6,"ranked":true},{"id":66530,"name":"Blitz 19x19 Elimination Tournament 2020-10-11 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:20260611T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-11T13:00:18.863960Z","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":"2026-06-11T17:00:00Z","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":"2020-10-11T13:30:53.872084Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-10-11T13:30:55.390242Z","ended":"2020-10-11T13:56:36.234516Z","start_waiting":"2020-10-11T13:30:55.064972Z","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":9614,"name":"Sunjang Baduk Tournament 4th Season (Group B3)","director":{"id":47657,"username":"BongoBob","country":"_Pirate","icon":"https://secure.gravatar.com/avatar/3b18351f52879789ff5a1edb012172f1?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2003.4767336494497,"deviation":77.72127371522465,"volatility":0.06000270198740903}},"ranking":31.003430413165,"professional":false,"ui_class":""},"description":"## <i class=\"fontnova-turtle\"></i> Correspondence Sunjang Baduk Tournament\n### Season 4 - Group B3\n\n###**Read the description below.** \n- ####You have **7 days** to join your round-robin after receiving the invitation\n- ####<font color=\"red\">**SPECIAL OPENING RULES:**</font> ([See description][Correspondence Tournament])\n\n&ensp;&ensp; ![Opening Rule][sunjang opening]\n___ \n###  **Title Holder:** <font color=\"gold\">**🏆**</font> [illluck] <font color=\"gold\">**🏆**</font> \n\n<table border='2'>\n  <tr>\n    <th colspan=\"9\"><i class=\"fontnova-turtle\"></i> [Correspondence \nTournament]</th>\n  </tr>\n  <tr>\n    <th width=\"70\" rowspan=\"3\">Season</td>\n    <th width=\"90\" rowspan=\"3\"><font \ncolor=\"Gold\">Champion<br>🏆</font></td>\n    <th width=\"90\" rowspan=\"3\"><font \ncolor=\"silver\">Runner-up<br>🏆</font></td>\n    <th width=\"90\" rowspan=\"3\"><font color=#CD7F32> 3rd \nPlace<br>🏆</font></td>\n    <th colspan=\"5\">Groups / Rounds</td>\n  </tr>\n  <tr>\n    <th width=\"45\" rowspan=\"2\">*Final*</td>\n    <th colspan=\"4\">Divisions</td>\n  </tr>\n  <tr>\n    <th width=\"60\" colspan=\"2\">*A*</td>\n    <th width=\"30\">*B*</td>\n    <th width=\"30\">*C*</td>\n  </tr>\n  <tr>\n    <td>2011</td>\n    <td>[vitality]</td>\n    <td>[Uberdude]</td>\n    <td>[illluck]</td>\n    <td>-</td>\n    <td>[A](https://online-go.com/tournament/1533)</td>\n    <td>-</td>\n    <td>[B](https://online-go.com/tournament/1532)</td>\n    <td>-</td>\n  </tr>\n  <tr>\n    <td>2012</td>\n    <td>[illluck]</td>\n    <td>[fengitreon]</td>\n    <td>[MatCauthon]</td>\n    <td>-</td>\n    <td>[A](https://online-go.com/tournament/1975)</td>\n    <td>-</td>\n    <td>[B](https://online-go.com/tournament/1976)</td>\n    <td>-</td>\n  </tr>\n  <tr>\n    <td>2013-14</td>\n    <td>[illluck]</td>\n    <td>[ZyBeX86]</td>\n    <td>[kavias]</td>\n    <td>[🏆](https://online-go.com/tournament/2984)</td>\n    <td>[A1](https://online-go.com/tournament/2709)</td>\n    <td>[A2](https://online-go.com/tournament/2711)</td>\n    <td>[B](https://online-go.com/tournament/2712)</td>\n    <td>[C](https://online-go.com/tournament/2713)</td>\n  </tr>\n</table>\n___\n###**Format:** League\n\n###The Divisions:\n- Hierarchical structure, labeled ***A***, ***B***, ***C***, \n***D***, etc.\n- Assorted in groups. Top division has two (**A1**, **A2**)\n- Players of similar strength\n\n###The Groups:\n- 5 to 9 players (ideally 7)\n- Seeded by strength (<i class=\"fa\">&#xf10c;</i> overall rank) \n- Compete in a *Simultaneous Round-robin*\n\n###The Final Round: 3 players\n- Qualify: the winners of **A1** and **A2**, and the *Title \nHolder*.\n- Merit based tie-break (good title defense, good performance in \nprevious round)\n- A third player<sup>1</sup> may be drawn if needed\n\n### The games:\n- Fischer Timing, 3 days on the initial timer and 1 day increment \nper move (capped at 7 days). No weekend stop\n- No handicap, 6.5 komi. **Sunjang Baduk** starting position\n- Korean rules\n- **Conditional moves** enabled\n\n###Promotions & Demotions:\n- Best player<sup>1</sup> per Group promotes one division up\n- Worst 3 players<sup>1</sup> per Division demote one division down\n- Dropped and disqualified players reapply as new players\n- Promotions based on rank may be awarded to fill available space \n(both new and old players apply, even if demoted).\n___\n\n####Notes\n<sup>1</sup>Best and worst players are determined first by Scored \nPoints, then the Sum of defeated opponent's scores (SODOS) and \nlastly by <i class=\"fa\">&#xf10c;</i> overall rank.\n\nFor more details you may visit the [Sensei's pages][Correspondence \nTournament].\n\n[fengitreon]: https://online-go.com/user/view/11442/fengitreon\n[illluck]: https://online-go.com/user/view/8913/illluck\n[kavias]: https://online-go.com/user/view/4048\n[MatCauthon]: https://online-go.com/user/view/5832/MatCauthon\n[vitality]: https://online-go.com/user/view/35184/vitality\n[Uberdude]: https://online-go.com/user/view/8592/Uberdude\n[ZyBeX86]: https://online-go.com/user/view/52701\n\n[group]: https://online-go.com/group/142\n[sunjang opening]: http://i.imgur.com/vdZ0oLB.png?1\n[Correspondence Tournament]: http://senseis.xmp.net/?SunjangBadukTournamentAtOGS","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"korean","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":142,"name":"Sunjang Baduk - 순장바둑","summary":"For those who would like to play Sunjang Baduk, a form of Go which was popular in Korea (Joseon) through the 16th century.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":199,"icon":"https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-64.png"},"auto_start_on_max":true,"time_start":"2015-08-10T05:01:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"invite","started":"2015-08-06T17:21:41.126363Z","ended":"2016-01-19T07:15:33.604627Z","start_waiting":"2015-08-06T17:21:40.665535Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-15.png","player_count":7,"ranked":true},{"id":73593,"name":"Blitz 19x19 Elimination Tournament 2021-04-07 21:30","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:20260611T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-11T13:00:18.863960Z","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":"2026-06-11T17:00:00Z","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":"2021-04-07T21:30:43.710374Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2021-04-07T21:30:45.167224Z","ended":"2021-04-07T21:49:51.656146Z","start_waiting":"2021-04-07T21:30:45.038875Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":4,"ranked":true}]}