{"count":60235,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4638","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4636","results":[{"id":81495,"name":"rematch3","director":{"id":920515,"username":"gosenseihk","country":"un","icon":"https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1886.1807822444975,"deviation":152.79691468189992,"volatility":0.06000855493777404}},"ranking":29.606790827330673,"professional":false,"ui_class":""},"description":"rematch3","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"chinese","time_per_move":26880,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":2419200},"is_open":true,"exclude_provisional":false,"group":{"id":10208,"name":"DCFWMS-Team-PC","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":14,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-10-19T07:23:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2021-10-19T07:23:33.267732Z","ended":"2021-11-09T07:13:34.751365Z","start_waiting":"2021-10-19T07:23:33.186110Z","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":101962,"name":"9x9 Mini League 10k-25k #143","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1325.0529908848616,"deviation":70.58676374549262,"volatility":0.06023746882442591}},"ranking":21.43248918766429,"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":712,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2023-04-09T19:05:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2023-04-09T17:26:45.753770Z","ended":"2023-04-30T16:24:54.454543Z","start_waiting":"2023-04-09T17:26:45.512625Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":33495,"name":"Tournament 5627840","director":{"id":498204,"username":"duncancharlton13","country":"un","icon":"https://user-uploads.online-go.com/492fc273e55ef71970d7fe7ae7496b0d-64.png","ratings":{"version":5,"overall":{"rating":1005.1837012678831,"deviation":166.3697083023885,"volatility":0.0599994565249076}},"ranking":15.03655765545122,"professional":false,"ui_class":"provisional"},"description":"Tournament 5627840","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"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":18044,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2018-01-08T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-01-11T19:53:10.278338Z","ended":"2018-04-16T09:58:06.075404Z","start_waiting":"2018-01-11T19:53:09.448900Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":4,"ranked":true},{"id":139074,"name":"World Star Monthly Match (April 2026)","director":{"id":481094,"username":"Danny Ling","country":"my","icon":"https://secure.gravatar.com/avatar/791e2af274d259b097e01771c6f5f061?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1934.4998011978691,"deviation":62.986112062525095,"volatility":0.059966734676728216}},"ranking":30.19236447330943,"professional":false,"ui_class":""},"description":"Hello everyone, Let’s have a friendly match within the members in this group!!! Everyone is welcome to join. Hope everyone will enjoy the joy of the game! Good luck.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":12,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"rapid","pause_on_weekends":false,"time_increment":7,"initial_time":300,"max_time":3600},"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":62,"icon":"https://user-uploads.online-go.com/3bc36a733d9750874d79f67ecc4f2fc3-64.png"},"auto_start_on_max":false,"time_start":"2026-04-25T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2026-04-25T11:00:17.507632Z","ended":"2026-04-25T12:15:39.714825Z","start_waiting":"2026-04-25T11:00:17.249394Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/3bc36a733d9750874d79f67ecc4f2fc3-15.png","player_count":10,"ranked":true},{"id":119295,"name":"Kuksu Main Title Tournament 15th Cycle - League C1","director":{"id":199065,"username":"Kuksu League","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1500.0,"deviation":350.0,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"\n\nTitle Holder:\nSadaharu [Kuksu] x2\n\nHall of Fame:\n\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\t\n\t\n\n\n
CycleTitle Match
Winner		ScoreTitle Match
Runner-up		Title Tournament
WinnerGold		Title Tournament
Runner-upSilver		Title Tournament
3rd PlaceBronze
1lukeluke (4d)davos (5d)gomad361 (4d)
2gomad3613-2lukeluke (4d)gomad361 (4d)hotspur (4d)
3Uberdude∗gomad361Uberdude (9d)KyuT (4d)marigo (2k)
4Uberdude5-0KyuTKyuT (4d)quiller (5d)morituri (2d)
5Uberdude5-0gomad361gomad361 (4d)morituri (2d)betterlife (1d)
6Uberdude5-0ElinElin (5d)gomad361 (4d)morituri (2d)
7Uberdude3-2vitalityvitality (9d)Elin (5d)gomad361 (4d)
8vitality∗Uberdudevitality (9d)nrx (5d)gojohn (4d)
9vitality5-0SadaharuSadaharu (7d)xhu98 (8d)tegais (6d)
10vitality5-0micky0427micky0427 (7d)SanDiego (4d)tegais (6d)
11SanDiego5-0 (∗)Sadaharupeecatchoo (9d+)Sadaharu (9d)Isoko (6d)
12Sadaharu5-0tegaisSadaharu (9d)peecatchoo (9d)earlgreyhot (9d)
13Sadaharu5-0 (∗)drmwcdrmwc [6d]KUNIJEEL [6d]bookkey1234567 [7d]
14claire yang [8d]Bhsd [6d]Neandertaler [3d]
\n\t\t[A]\n\t
\n\t\t[B1]\n\t\t[B2]\n\t
15\n\t\t[C1]\n\t\t[C2]\n\t\t[C3]\n\t\t[C4]\n\t
\n\t\t[D1]\n\t\t[D2]\n\t\t[D3]\n\t\t[D4]\n\t\t[D5]\n\t\t[D6]\n\t\n\t\t[D7]\n\t\t[D8]\n\t
\n\t\t[E1]\n\t\t[E2]\n\t\t[E3]\n\t\t[E4]\n\t\t[E5]\n\t\t[E6]\n\t\n\t\t[E7]\n\t\t[E8]\n\t\t[E9]\n\t\t[E10]\n\t\t[E11]\n\t\n\t\t[E12]\n\t\t[E13]\n\t\t[E14]\n\t\t[E15]\n\t\t[E16]\n\t
\n\n∗ means the games were finished by timeout or retirement.\n\nNotes:\n- Please refer to the basic rules here.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"korean","time_per_move":91187,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":515,"name":"OGS Title Tournaments","summary":"Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":2995,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2024-09-13T07:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2024-09-11T08:30:32.225826Z","ended":"2025-04-16T07:47:45.673542Z","start_waiting":"2024-09-11T08:30:31.691953Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":10,"ranked":true},{"id":14371,"name":"Torneio Lusitano","director":{"id":177197,"username":"Go Sertão","country":"br","icon":"https://user-uploads.online-go.com/2c3291d554104272a657bd9bf3df3eab-64.png","ratings":{"version":5,"overall":{"rating":1270.2272309928248,"deviation":65.60298019856117,"volatility":0.059303185253945144}},"ranking":20.454247850087963,"professional":false,"ui_class":""},"description":"jogar e diversão","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":88,"name":"Brasil-Portugal","summary":"Para todos os que falam a língua portuguesa ^^","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":219,"icon":"https://user-uploads.online-go.com/9b0ddc9ccaf7b0545ce330002acd9b28-64.png"},"auto_start_on_max":true,"time_start":"2016-02-01T03:00:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"group","started":"2016-01-27T07:47:04.162150Z","ended":"2016-06-28T04:35:22.914766Z","start_waiting":"2016-01-27T07:47:02.616117Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/9b0ddc9ccaf7b0545ce330002acd9b28-15.png","player_count":10,"ranked":true},{"id":130102,"name":"参加条件：仅限成员","director":{"id":1569784,"username":"1213456789lkjh","country":"cn","icon":"https://secure.gravatar.com/avatar/9ace486d650a01ecd9da27a2cd4a059b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":926.5761031606932,"deviation":61.06838721702252,"volatility":0.06009374815536505}},"ranking":13.151466853715563,"professional":false,"ui_class":""},"description":"无 \n九中","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"chinese","time_per_move":6,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"blitz","pause_on_weekends":false,"time_increment":5,"initial_time":30,"max_time":300},"is_open":true,"exclude_provisional":false,"group":{"id":15479,"name":"林","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":true,"member_count":4,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-07-03T11:00:00Z","players_start":0,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":6,"analysis_enabled":true,"exclusivity":"group","started":"2025-07-03T11:00:30.154985Z","ended":"2025-07-03T11:00:30.130379Z","start_waiting":"2025-07-03T11:00:30.067303Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":1,"ranked":true},{"id":36882,"name":"fuunnnn stuff","director":{"id":532823,"username":"woosisters","country":"_Pirate","icon":"https://secure.gravatar.com/avatar/fedd9d6fd5fe552e047a5ab5e7454bac?s=64&d=retro","ratings":{"version":5,"overall":{"rating":928.3954711697199,"deviation":68.94298631118899,"volatility":0.060027171904331655}},"ranking":13.196878205024143,"professional":false,"ui_class":""},"description":"fffffffff","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":2457,"name":"funn stuff","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":4,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2018-05-02T02:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-05-05T10:17:46.284901Z","ended":"2018-06-27T14:56:44.778946Z","start_waiting":"2018-05-05T10:17:45.389269Z","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":76105,"name":"Strongest Go Fighter in The World (10k - 5k)","director":{"id":721084,"username":"Lexxgo","country":"ru","icon":"https://user-uploads.online-go.com/eadd3bb95af972db608b10e308217d0d-64.png","ratings":{"version":5,"overall":{"rating":1702.0164192076516,"deviation":66.54857732174423,"volatility":0.059972624948633195}},"ranking":27.22835155459872,"professional":false,"ui_class":""},"description":"Strongest Go Fighter in The World (10k - 5k)","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":96000,"time_control_parameters":{"system":"canadian","time_control":"canadian","speed":"correspondence","pause_on_weekends":true,"main_time":864000,"period_time":259200,"stones_per_period":3},"is_open":true,"exclude_provisional":true,"group":{"id":9239,"name":"World tournaments","summary":"World tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://user-uploads.online-go.com/f00af69c1e00d870226552a84d04d87c-64.png"},"auto_start_on_max":true,"time_start":"2021-06-16T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":20,"max_ranking":25,"analysis_enabled":false,"exclusivity":"open","started":"2021-06-16T08:00:07.042136Z","ended":"2021-10-20T05:12:29.188568Z","start_waiting":"2021-06-16T08:00:06.915070Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/f00af69c1e00d870226552a84d04d87c-15.png","player_count":5,"ranked":true},{"id":9611,"name":"Sunjang Baduk Tournament 4th Season (Group C1)","director":{"id":27056,"username":"Leira","country":"cr","icon":"https://user-uploads.online-go.com/edefc4995500223832e03c2af5a12200-64.png","ratings":{"version":5,"overall":{"rating":1729.7013586805301,"deviation":64.74978202628759,"volatility":0.06012368983014034}},"ranking":27.60187892179223,"professional":false,"ui_class":""},"description":"## Correspondence Sunjang Baduk Tournament\n### Season 4 - Group C1\n\n###**Read the description below.** \n- ####You have **7 days** to join your round-robin after receiving the invitation\n- ####**SPECIAL OPENING RULES:** ([See description][Correspondence Tournament])\n\n   ![Opening Rule][sunjang opening]\n___ \n### **Title Holder:** **🏆** [illluck] **🏆** \n\n\n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n \n
[Correspondence \nTournament]
Season\n Champion
🏆\n 		Runner-up
🏆\n 		3rd \nPlace
🏆\n 		Groups / Rounds\n
*Final*\n Divisions\n
*A*\n *B*\n *C*\n
2011[vitality][Uberdude][illluck]-[A](https://online-go.com/tournament/1533)-[B](https://online-go.com/tournament/1532)-
2012[illluck][fengitreon][MatCauthon]-[A](https://online-go.com/tournament/1975)-[B](https://online-go.com/tournament/1976)-
2013-14[illluck][ZyBeX86][kavias][🏆](https://online-go.com/tournament/2984)[A1](https://online-go.com/tournament/2709)[A2](https://online-go.com/tournament/2711)[B](https://online-go.com/tournament/2712)[C](https://online-go.com/tournament/2713)
\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 ( 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 player1 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 player1 per Group promotes one division up\n- Worst 3 players1 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\n1Best and worst players are determined first by Scored \nPoints, then the Sum of defeated opponent's scores (SODOS) and \nlastly by 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":"2015-08-10T06:01:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"invite","started":"2015-08-02T22:36:26.285026Z","ended":"2015-09-22T13:16:30.420813Z","start_waiting":"2015-08-02T22:36:25.617753Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-15.png","player_count":6,"ranked":true}]}