{"count":59942,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=5183","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=5181","results":[{"id":124139,"name":"19x19 no.10","director":{"id":1163256,"username":"Wiangsak","country":"142","icon":"https://secure.gravatar.com/avatar/e850c31c8246c4b55019cbf40b282f6d?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1369.2782110289456,"deviation":65.57917124166514,"volatility":0.06032734954033926}},"ranking":22.19253368963396,"professional":false,"ui_class":""},"description":"ซ้อมกัน แบบพบกันหมด","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":false,"main_time":259200,"period_time":86400,"periods":3},"is_open":true,"exclude_provisional":true,"group":{"id":14715,"name":"CP GO Tournament","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":13,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-01-11T11:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2025-01-10T11:00:13.698784Z","ended":"2025-01-27T11:14:51.855516Z","start_waiting":"2025-01-10T11:00:13.309717Z","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":124149,"name":"9x9 tourney","director":{"id":1672844,"username":"deleted-b9b59e78-7fe2-421b-9592-08ffce621348","country":"us","icon":"https://user-uploads.online-go.com/50b661e8675f0399df4a903957995b4b-64.png","ratings":{"version":5,"overall":{"rating":800.7266229935348,"deviation":70.04385716130463,"volatility":0.060331232367038926}},"ranking":9.772108826139116,"professional":false,"ui_class":""},"description":"Welcome, have fun this tourney","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":92554,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":777600,"max_time":777600},"is_open":true,"exclude_provisional":false,"group":{"id":14868,"name":"Study group 9x9, 13x13, 19x19","summary":"We like to play all go seriously. We study, play each other, and have tournaments every now and then.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":71,"icon":"https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png"},"auto_start_on_max":false,"time_start":"2025-01-10T16:10:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-01-10T16:10:38.431478Z","ended":"2025-03-12T12:43:22.353862Z","start_waiting":"2025-01-10T16:10:38.277632Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png","player_count":9,"ranked":true},{"id":70763,"name":"noob_bot #1","director":{"id":735410,"username":"李張樂2","country":"_Olimpic_Movement","icon":"https://secure.gravatar.com/avatar/61444cd048a565c5661d6377c5995062?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1321.77899767645,"deviation":64.49638859637703,"volatility":0.06001589873489322}},"ranking":21.37521847176111,"professional":false,"ui_class":""},"description":"no pro","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":279360,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":259200,"initial_time":1814400,"max_time":1814400},"is_open":true,"exclude_provisional":true,"group":{"id":6332,"name":"noob_bot","summary":"Play with bots","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":883,"icon":"https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-64.png"},"auto_start_on_max":false,"time_start":"2021-01-30T14:00:00Z","players_start":1,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-01-30T14:00:09.641058Z","ended":"2021-01-30T14:00:09.616020Z","start_waiting":"2021-01-30T14:00:09.544974Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/d3277278f721d0b587ac5dcb628ac2d1-15.png","player_count":1,"ranked":true},{"id":132183,"name":"9*9 #19 Group C","director":{"id":1381238,"username":"BuzzerBeater","country":"030","icon":"https://user-uploads.online-go.com/d34952ca0e76fd14a163c154f3b31475-64.png","ratings":{"version":5,"overall":{"rating":2083.2021330417538,"deviation":76.78147159896488,"volatility":0.06094181419548674}},"ranking":31.906793388998675,"professional":false,"ui_class":""},"description":"Finals Qualifying:<br />\n Top 3 in Group A<br />\n Top 2 in Group B<br />\n Top 1 in Group C<br />\n Top 1 in Group D<br />\n Top 2 in the previous round <br />","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":85333,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":false,"total_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":13682,"name":"9*9棋賽群","summary":"A space for 9*9 tournaments!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":54,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2025-09-14T12:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2025-09-11T14:34:07.523864Z","ended":"2025-10-20T09:08:27.907634Z","start_waiting":"2025-09-11T14:34:06.884932Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":15234,"name":"Correspondence 19x19 RoundRobin 2016-02-26 01:00","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:20260614T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-06-14T19:00:20.147854Z","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":"2026-06-17T19:00:00Z","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,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2016-02-26T01:00:17.777376Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-02-26T01:00:37.019254Z","ended":"2016-05-03T03:18:56.659064Z","start_waiting":"2016-02-26T01:00:35.890633Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":57236,"name":"3月7日CC","director":{"id":729045,"username":"翟樂碁","country":"hk","icon":"https://user-uploads.online-go.com/3439346302010db0d4281d7ba400f4b6-64.png","ratings":{"version":5,"overall":{"rating":1969.1125504037623,"deviation":133.3648146807394,"volatility":0.06000908122043367}},"ranking":30.60291043547223,"professional":false,"ui_class":""},"description":"3月7日CC","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"live","pause_on_weekends":false,"total_time":1200},"is_open":true,"exclude_provisional":false,"group":{"id":4493,"name":"HKCGA 網絡 C 班","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":51,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-03-07T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-03-07T07:53:59.900811Z","ended":"2020-03-07T09:07:54.093870Z","start_waiting":"2020-03-07T07:53:59.037735Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":6,"ranked":true},{"id":30237,"name":"Correspondence 9x9 RoundRobin 2017-09-14 01:00","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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260616T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-06-16T19:00:19.521551Z","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":"2026-06-19T19:00:00Z","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":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2017-09-14T01:00:45.676821Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2017-09-14T01:01:10.920639Z","ended":"2017-10-30T19:13:34.916780Z","start_waiting":"2017-09-14T01:01:07.957189Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":9626,"name":"Sunjang Baduk Tournament 4th Season (Group A2)","director":{"id":535,"username":"rhubarb","country":"_Northern_Ireland","icon":"https://secure.gravatar.com/avatar/e72f00444b297c33407cc0ab7736395b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1330.4134141448303,"deviation":63.13705023151246,"volatility":0.05978679129101178}},"ranking":21.52595221682564,"professional":false,"ui_class":"supporter"},"description":"## <i class=\"fontnova-turtle\"></i> Correspondence Sunjang Baduk Tournament\n### Season 4 - Group A2#\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":false,"time_start":"2015-08-09T23:01:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-08-06T18:04:08.428181Z","ended":"2016-02-25T10:50:04.453736Z","start_waiting":"2015-08-06T18:04:07.906348Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-15.png","player_count":7,"ranked":true},{"id":57439,"name":"ㄱㄱㄱㄱㄱㄱㄱㄱㄱㄱㄱㄱ","director":{"id":738665,"username":"cutyhany","country":"kr","icon":"https://secure.gravatar.com/avatar/055895f7c182a7ea803661ac49d51e29?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1634.4570405293491,"deviation":69.09882329594102,"volatility":0.06003406198391524}},"ranking":26.290706798575638,"professional":false,"ui_class":""},"description":"토너먼트로                      러운드3","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":4544,"name":".바둑ㅎㅎㅎ","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-03-13T16:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-03-14T03:42:19.289339Z","ended":"2020-03-15T09:19:40.682525Z","start_waiting":"2020-03-14T03:42:18.832741Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":56613,"name":"Correspondence 9x9 RoundRobin 2020-02-16 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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260616T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-06-16T19:00:19.521551Z","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":"2026-06-19T19:00:00Z","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":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-02-16T19:00:26.185692Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2020-02-16T19:00:32.442161Z","ended":"2020-03-08T00:04:18.081905Z","start_waiting":"2020-02-16T19:00:28.551581Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":8,"ranked":true}]}