{"count":59706,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=1408","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=1406","results":[{"id":122746,"name":"Blitz 19x19 Elimination Tournament 2024-11-30 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 Site-wide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260520T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-20T21:00:15.965115Z","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":"2026-05-21T01:00:00Z","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":"2024-11-30T17:30:33.076212Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2024-11-30T17:31:30.472064Z","ended":"2024-11-30T18:06:01.969372Z","start_waiting":"2024-11-30T17:31:30.408500Z","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":122210,"name":"Dicembre Cup","director":{"id":1055696,"username":"deleted-dd2583d3-bb3a-42cb-a2fb-8c58bbe3d216","country":"it","icon":"https://user-uploads.online-go.com/c176d6849a1892b9017c85f548813837-64.png","ratings":{"version":5,"overall":{"rating":1520.9618235200285,"deviation":65.86233200519976,"volatility":0.05999729225859075}},"ranking":24.624653373951272,"professional":false,"ui_class":""},"description":"Fast tournament","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":129600,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":false,"per_move":129600},"is_open":true,"exclude_provisional":true,"group":{"id":6630,"name":"Go friends 🐬","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":359,"icon":"https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"},"auto_start_on_max":false,"time_start":"2024-11-30T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":20,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2024-11-30T14:37:30.478908Z","ended":"2024-12-08T20:07:53.642906Z","start_waiting":"2024-11-30T14:37:30.389443Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png","player_count":4,"ranked":true},{"id":122284,"name":"Non-professional players show","director":{"id":1546177,"username":"落櫻紛飛","country":"hk","icon":"https://user-uploads.online-go.com/10c8964614ad38e972b8d673499d8bd1-64.png","ratings":{"version":5,"overall":{"rating":1092.6362930658845,"deviation":69.64091709123322,"volatility":0.06021367145265914}},"ranking":16.967801990931665,"professional":false,"ui_class":""},"description":"Long time for thinking","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":2419200,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":2419200},"is_open":true,"exclude_provisional":false,"group":{"id":14201,"name":"Marblefox969","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":18,"icon":"https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-64.png"},"auto_start_on_max":false,"time_start":"2025-02-01T09:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-01-31T13:52:55.812931Z","ended":null,"start_waiting":"2025-01-31T13:52:55.458303Z","board_size":19,"active_round":3,"icon":"https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png","player_count":12,"ranked":true},{"id":115930,"name":"Kyu Tournament Correspondence (25kyu-10kyu)","director":{"id":1433463,"username":"acadofruit","country":"_United_Federation_of_Planets","icon":"https://user-uploads.online-go.com/7441b4086dcde00abc4a01fd89b0ede7-64.png","ratings":{"version":5,"overall":{"rating":1407.2092867679648,"deviation":60.79862047053118,"volatility":0.05999300555502695}},"ranking":22.82510202587849,"professional":false,"ui_class":""},"description":"This Kyu Tournament will only include 25kyu to 10kyu players. Another tournament will be created for stronger players. Ranged tournaments give newer players a chance to shine. Thank you for your understanding! Contact me if there are any questions (I will only be accepting DMs that are appropriate and OGS-related. Please be considerate, thank you).","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":177587,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":false,"main_time":604800,"period_time":172800,"periods":3},"is_open":true,"exclude_provisional":true,"group":{"id":8562,"name":"World Wide Go Association (WWGA)","summary":"This group welcomes people world wide, from beginners to pros! We have a WWGA group logo, a group video, and even a video for new members! (I make announcement videos), I hope you enjoy!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":151,"icon":"https://user-uploads.online-go.com/8050f34b110a579153af00084fe3d2bb-64.png"},"auto_start_on_max":true,"time_start":"2024-05-18T11:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2024-05-18T11:00:08.316504Z","ended":"2025-05-31T06:33:01.694663Z","start_waiting":"2024-05-18T11:00:08.185040Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8050f34b110a579153af00084fe3d2bb-15.png","player_count":12,"ranked":true},{"id":119492,"name":"Kranj 82","director":{"id":134125,"username":"mitava","country":"at","icon":"https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png","ratings":{"version":5,"overall":{"rating":781.6916230243883,"deviation":65.15832791465333,"volatility":0.059924217208339736}},"ranking":9.215136601517967,"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":true,"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":"2024-08-28T15:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":6,"max_ranking":12,"analysis_enabled":true,"exclusivity":"open","started":"2024-08-28T15:00:34.072044Z","ended":"2025-07-20T11:34:49.227621Z","start_waiting":"2024-08-28T15:00:33.898146Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png","player_count":11,"ranked":true},{"id":115221,"name":"Time and dream","director":{"id":1534607,"username":"枫梓2538357782","country":"001","icon":"https://user-uploads.online-go.com/60a38131f5e41eaf14dec236f2b8789c-64.png","ratings":{"version":5,"overall":{"rating":1124.3216067821936,"deviation":69.18551219807132,"volatility":0.06006177209229389}},"ranking":17.629578169310626,"professional":false,"ui_class":""},"description":"By that time, I had already finished taking the college entrance examination\r\nHave fun","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"chinese","time_per_move":93238,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":864000,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":14201,"name":"Marblefox969","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":18,"icon":"https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-64.png"},"auto_start_on_max":false,"time_start":"2024-06-10T02:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-06-10T02:00:50.762811Z","ended":"2025-07-09T14:23:38.544801Z","start_waiting":"2024-06-10T02:00:50.633184Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png","player_count":8,"ranked":true},{"id":128929,"name":"Blitz 19x19 Elimination Tournament 2025-05-29 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 Site-wide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260520T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-20T21:00:15.965115Z","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":"2026-05-21T01:00:00Z","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":"2025-05-29T17:30:40.476947Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-05-29T17:31:40.513136Z","ended":"2025-05-29T18:06:17.969386Z","start_waiting":"2025-05-29T17:31:40.439197Z","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":9608,"name":"Sunjang Baduk Tournament 4th Season (Group B1)","director":{"id":32917,"username":"yazphier","country":"se","icon":"https://user-uploads.online-go.com/9f80d481834c8552fab161e6de0e3279-64.png","ratings":{"version":5,"overall":{"rating":1413.5147433528527,"deviation":65.7398081525858,"volatility":0.059983920583566386}},"ranking":22.928601383861135,"professional":false,"ui_class":""},"description":"## <i class=\"fontnova-turtle\"></i> Correspondence Sunjang Baduk Tournament\n### Season 4 - Group B1\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":197,"icon":"https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-64.png"},"auto_start_on_max":true,"time_start":"2015-08-10T10:01:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"invite","started":"2015-08-10T10:01:19.889178Z","ended":"2015-12-13T04:53:17.226034Z","start_waiting":"2015-08-10T10:01:19.661973Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-15.png","player_count":5,"ranked":true},{"id":129171,"name":"Blitz 19x19 Elimination Tournament 2025-06-06 09:30","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 Site-wide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260520T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-20T21:00:15.965115Z","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":"2026-05-21T01:00:00Z","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":"2025-06-06T09:30:41.667529Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-06-06T09:31:41.718070Z","ended":"2025-06-06T09:54:32.232083Z","start_waiting":"2025-06-06T09:31:41.663756Z","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":127626,"name":"World Star Friendly Match","director":{"id":481094,"username":"Danny Ling","country":"my","icon":"https://secure.gravatar.com/avatar/791e2af274d259b097e01771c6f5f061?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1928.0100885907634,"deviation":62.51668759054022,"volatility":0.05996926918457887}},"ranking":30.114572057230404,"professional":false,"ui_class":""},"description":"Hello everyone, \nLet's have a friendly match tonight within \nthe members in this group!!!\nEveryone is welcome to join. \nHope everyone will enjoy the joy of the game!\nGood luck.","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":29,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":1200,"period_time":20,"periods":3},"is_open":true,"exclude_provisional":true,"group":{"id":14930,"name":"World Star Go Academy Group","summary":"“In Go, you are constantly making decisions that are either right or wrong.” — Yasunari Kawabata","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":58,"icon":"https://user-uploads.online-go.com/d6848296c576899e38435f076f46e3b2-64.png"},"auto_start_on_max":false,"time_start":"2025-04-19T11:00:00Z","players_start":0,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2025-04-19T11:00:15.846273Z","ended":"2025-04-19T12:07:21.621921Z","start_waiting":"2025-04-19T11:00:15.792861Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/d6848296c576899e38435f076f46e3b2-15.png","player_count":4,"ranked":true}]}