{"count":59399,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=4727","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=4725","results":[{"id":1833,"name":"rhubarb's tiny little tournament","director":{"id":535,"username":"rhubarb","country":"_Northern_Ireland","icon":"https://secure.gravatar.com/avatar/e72f00444b297c33407cc0ab7736395b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1324.374028298043,"deviation":63.08931845325063,"volatility":0.05978836790926783}},"ranking":21.420623992574843,"professional":false,"ui_class":"supporter"},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2012-05-21T21:03:20Z","ended":"2012-05-21T19:03:20Z","start_waiting":null,"board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":2544,"name":"Title match for: Kuksu Nines Title Tournament  15th Cycle","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":"Title match for: Kuksu Nines Title Tournament  15th Cycle (pollemand vs illluck)","schedule":null,"title":{"id":8,"name":"Kuksu Nines Title Tournament","holder":{"id":40094,"username":"pollemand","country":"dk","icon":"https://user-uploads.online-go.com/769b91b9135c109466f9ea5844e00c3d-64.png","ratings":{"version":5,"overall":{"rating":2171.89178460396,"deviation":69.05182806949152,"volatility":0.060035483123523053}},"ranking":32.87197200792104,"professional":false,"ui_class":""},"rules":"japanese","tournament_type":"s_mcmahon"},"tournament_type":"s_title","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":604800,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":null,"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2012-07-01T21:38:33Z","ended":"2013-01-04T02:59:41Z","start_waiting":null,"board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/kuksu_9.png","player_count":0,"ranked":true},{"id":30370,"name":"Correspondence Weekly McMahon 19x19 2017-09-23 17:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":9,"name":"Correspondence Weekly McMahon 19x19","rrule":"DTSTART:20260413T170000Z\nRRULE:FREQ=WEEKLY","active":true,"created":"2015-12-16T02:22:56.480465Z","last_run":"2026-04-13T17:00:09.016442Z","lead_time_seconds":432000,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","size":19,"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":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":3,"upper_bar":"25","lower_bar":"15","group_size":4,"maximum_players":1000},"next_run":"2026-04-20T17:00:00Z","base_points":"30.0"},"title":null,"tournament_type":"s_mcmahon","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":"2017-09-23T17:00:24.932785Z","players_start":60,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2017-09-23T17:01:00.100277Z","ended":"2019-04-23T14:08:16.389170Z","start_waiting":"2017-09-23T17:00:31.009329Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":85,"ranked":true},{"id":105609,"name":"Blitz 13x13 Swiss Tournament 2023-07-21 15:30","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260419T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-04-19T03:00:56.568805Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-04-19T07:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":15,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2023-07-21T15:30:49.314607Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-07-21T15:31:49.542011Z","ended":"2023-07-21T16:11:16.086867Z","start_waiting":"2023-07-21T15:31:49.343347Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":10,"ranked":true},{"id":393,"name":"This is my 4th mini-tournament, eh!","director":{"id":8599,"username":"Rock_Lee_Eh","country":"us","icon":"https://secure.gravatar.com/avatar/73741ea570def1d114a9ac9bb6726916?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1337.3648265894894,"deviation":65.28167659816387,"volatility":0.06002553520999352}},"ranking":21.646596099323933,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":345600,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":9,"analysis_enabled":false,"exclusivity":"open","started":"2007-12-22T19:08:00Z","ended":"2008-04-10T01:29:00Z","start_waiting":null,"board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":2447,"name":"Alan Turing Main Title Tournament 2010","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":"Alan Turing Main Title Tournament 2010","schedule":null,"title":{"id":16,"name":"Alan Turing Main Title Tournament","holder":{"id":35184,"username":"vitality","country":"un","icon":"https://secure.gravatar.com/avatar/17d676429b5c6ec38fb06cf71f8662fa?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2742.437357137692,"deviation":68.19500547415998,"volatility":0.059852958448327415}},"ranking":38,"professional":false,"ui_class":""},"rules":"chinese","tournament_type":"s_mcmahon"},"tournament_type":"s_mcmahon","handicap":0,"rules":"chinese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":604800,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":null,"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2010-12-27T15:36:30Z","ended":"2010-12-27T15:36:30Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/alan_turing_19.png","player_count":0,"ranked":true},{"id":105610,"name":"Live 19x19 Swiss Tournament 2023-07-21 16:30","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260419T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-04-19T04:00:56.958583Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-04-19T08:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":35,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2023-07-21T16:30:49.323254Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-07-21T16:31:49.607598Z","ended":"2023-07-21T18:31:14.014257Z","start_waiting":"2023-07-21T16:31:49.339835Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":8,"ranked":true},{"id":2709,"name":"Sunjang Baduk Tournament 3rd Season (Group A1)","director":{"id":27056,"username":"Leira","country":"cr","icon":"https://user-uploads.online-go.com/edefc4995500223832e03c2af5a12200-64.png","ratings":{"version":5,"overall":{"rating":1723.8054017070444,"deviation":64.735602087367,"volatility":0.06012529715064123}},"ranking":27.522833739017017,"professional":false,"ui_class":""},"description":"This is a first division group. The winner qualifies to the final match.\n\nAll players get 20 points from start.\n\nhttp://senseis.xmp.net/?SunjangBadukTournamentAtOGS%2FThirdSeason20132014","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":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"invite","started":"2013-12-17T03:40:20.350232Z","ended":"2014-03-27T00:50:21.400302Z","start_waiting":"2013-12-17T03:40:19.687406Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/884a0fb3009f38ec8dffd08d3cc84cee-15.png","player_count":0,"ranked":true},{"id":461,"name":"ealdent's tournament of boredom erasing","director":{"id":5955,"username":"ealdent","country":"us","icon":"https://secure.gravatar.com/avatar/90f5b80848b9b787569de9863c7ca32a?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1472.0325606226759,"deviation":65.1586536598795,"volatility":0.05991657819627239}},"ranking":23.867676771604184,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":604800,"time_control_parameters":{"time_control":"simple","per_move":604800},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2008-06-21T09:12:25Z","ended":"2008-06-21T07:12:25Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":31403,"name":"Live 19x19 Swiss Tournament 2017-10-25 12:30","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260419T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-04-19T04:00:56.958583Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-04-19T08:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2017-10-25T12:30:54.610271Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2017-10-25T12:30:57.127689Z","ended":"2017-10-25T13:41:58.853775Z","start_waiting":"2017-10-25T12:30:56.682524Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":6,"ranked":true}]}