{"count":60250,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=437","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=435","results":[{"id":139812,"name":"Correspondence 19x19 RoundRobin 2026-05-01 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 Site-wide Tournament","schedule":{"id":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260711T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-07-11T19:00:19.513953Z","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":"2026-07-14T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2026-05-01T19:00:48.735886Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-01T19:00:49.140699Z","ended":null,"start_waiting":"2026-05-01T19:00:48.822991Z","board_size":19,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":124589,"name":"The Julko's double elimination II","director":{"id":15530,"username":"Julko","country":"pl","icon":"https://user-uploads.online-go.com/71fa797ba41fd26c92f7ed5fda17613a-64.png","ratings":{"version":5,"overall":{"rating":840.9254122346891,"deviation":67.85718037927491,"volatility":0.05926866276317078}},"ranking":10.906073899268563,"professional":false,"ui_class":"supporter"},"description":"Simply Go!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"chinese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":191,"name":"Young and Old Players Association","summary":"Welcomes to the Young and Old Players Association. We welcome all beginners and experienced players alike.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":96,"icon":"https://user-uploads.online-go.com/dd46257689e6a2e10f09419142e181ed-64.png"},"auto_start_on_max":true,"time_start":"2025-01-25T05:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-01-25T05:00:22.164397Z","ended":"2025-04-11T07:25:16.497158Z","start_waiting":"2025-01-25T05:00:22.095138Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/dd46257689e6a2e10f09419142e181ed-15.png","player_count":4,"ranked":true},{"id":15856,"name":"Blitz 19x19 Elimination Tournament 2016-03-19 17:31","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:20260714T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-07-14T09:00:19.566380Z","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":"2026-07-14T13:00:00Z","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":"2016-03-19T17:31:17.419609Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-03-19T17:31:54.608951Z","ended":"2016-03-19T18:19:06.631640Z","start_waiting":"2016-03-19T17:31:54.455667Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":7,"ranked":true},{"id":126138,"name":"cup SNCF","director":{"id":1657313,"username":"g1grosq","country":"cg","icon":"https://user-uploads.online-go.com/192ff8ea51f1bcb282f1a5fbea9f0b87-64.png","ratings":{"version":5,"overall":{"rating":571.1235735404565,"deviation":73.14237002708836,"volatility":0.060077668678527575}},"ranking":5,"professional":false,"ui_class":""},"description":"cup snif en hommage a fortuite pour les 29 28 27 26 25 24 23 22 21 kyu","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":88451,"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":12930,"name":"Let's GOAT!","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":82,"icon":"https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-64.png"},"auto_start_on_max":false,"time_start":"2025-03-07T12:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-30T13:12:49.338417Z","ended":"2025-05-06T15:27:07.330551Z","start_waiting":"2025-04-30T13:12:49.246655Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/a0c7ab7dee39303c7ca4faa23f7fc7c5-15.png","player_count":4,"ranked":true},{"id":10679,"name":"Blitz 19x19 Elimination Tournament 2015-09-11 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 Sitewide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260714T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-07-14T09:00:19.566380Z","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":"2026-07-14T13:00:00Z","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":"2015-09-11T09:30:41.610182Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2015-09-11T09:30:43.191064Z","ended":"2015-09-11T09:54:37.861210Z","start_waiting":"2015-09-11T09:30:43.109536Z","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":10595,"name":"Blitz 19x19 Elimination Tournament 2015-09-08 05:30","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:20260714T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-07-14T09:00:19.566380Z","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":"2026-07-14T13:00:00Z","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":"2015-09-08T05:30:33.887451Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2015-09-08T05:30:35.615830Z","ended":"2015-09-08T05:59:20.578161Z","start_waiting":"2015-09-08T05:30:35.344570Z","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":124710,"name":"19x19 Open League #74","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":"Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":79,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-02-02T22:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-02-01T10:08:22.056733Z","ended":"2025-05-22T17:22:47.516484Z","start_waiting":"2025-02-01T10:08:21.600952Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":10683,"name":"Blitz 19x19 Elimination Tournament 2015-09-11 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:20260714T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-07-14T09:00:19.566380Z","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":"2026-07-14T13:00:00Z","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":"2015-09-11T13:30:53.840831Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2015-09-11T13:30:55.651018Z","ended":"2015-09-11T14:04:39.956993Z","start_waiting":"2015-09-11T13:30:55.567715Z","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":249,"name":"First Proper Handicap tournament","director":{"id":299,"username":"topazg","country":"gb","icon":"https://secure.gravatar.com/avatar/1756a59b7c7f129f6f466643f4c91531?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1936.5830823213464,"deviation":67.49437695302689,"volatility":0.059949644999275783}},"ranking":30.21728151286431,"professional":false,"ui_class":"supporter"},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":172800},"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":385,"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":"2007-06-24T14:13:00Z","ended":"2008-01-19T16:36:00Z","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":124076,"name":"백가탄신일 기념대국 (순위결정전)","director":{"id":1665458,"username":"deleted-edb06c18-430e-4b33-a7bc-2d754a0d0587","country":"zz","icon":"https://user-uploads.online-go.com/7ccf23dc1195bef6e5e9018db53be728-64.png","ratings":{"version":5,"overall":{"rating":941.5509735921314,"deviation":101.17696531607577,"volatility":0.06002104756549485}},"ranking":13.522614705757876,"professional":false,"ui_class":""},"description":"사람들에게 희망을 주기 위해, 태어난 날..이날을 기념하여 살찐 송아지를 잡고 콜라를 마시며 즐길 지어다","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":15084,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":14400,"initial_time":86400,"max_time":259200},"is_open":true,"exclude_provisional":true,"group":{"id":420,"name":"Hikaru no go club","summary":"Sai is the way.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":769,"icon":"https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-64.png"},"auto_start_on_max":true,"time_start":"2025-01-07T19:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2025-01-07T10:26:43.738420Z","ended":"2025-03-01T14:49:05.475784Z","start_waiting":"2025-01-07T10:26:43.163149Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/84c61392d7c5db993cba7656a5ebbc92-15.png","player_count":10,"ranked":true}]}