{"count":60458,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=60","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=58","results":[{"id":106134,"name":"September 2023 13x13 B League Correspondence (SDK)","director":{"id":1403086,"username":"Porcellio","country":"un","icon":"https://secure.gravatar.com/avatar/7b3e8428710cb97ee80c27295c48957d?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1500,"deviation":350,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"Have fun.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":15861,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":14400,"initial_time":86400,"max_time":259200},"is_open":true,"exclude_provisional":true,"group":{"id":11630,"name":"SDK Proving Grounds (Single Digit Kyu)","summary":"The Official SDK Proving Grounds. This group spawned from the DDK Proving Grounds (Double Digit Kyu) group, & it's popularity. Here, SDK's can play against other SDK's (or Dan players that haven’t established a solid foothold in Dan land yet). If you get s","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":101,"icon":"https://user-uploads.online-go.com/fe22e722b560243ad3845b81f4d4722b-64.png"},"auto_start_on_max":false,"time_start":"2023-09-01T19:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":21,"max_ranking":24,"analysis_enabled":false,"exclusivity":"open","started":"2023-09-01T19:00:11.605709Z","ended":"2023-09-24T03:38:59.532712Z","start_waiting":"2023-09-01T19:00:11.542725Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/fe22e722b560243ad3845b81f4d4722b-15.png","player_count":5,"ranked":true},{"id":20051,"name":"Correspondence Weekly McMahon 19x19 2016-08-27 17:00","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":9,"name":"Correspondence Weekly McMahon 19x19","rrule":"DTSTART:20260727T170000Z\nRRULE:FREQ=WEEKLY","active":true,"created":"2015-12-16T02:22:56.480465Z","last_run":"2026-07-27T17:00:53.448073Z","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":"2026-08-03T17:00:00Z","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":"2016-08-27T17:00:15.758300Z","players_start":60,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-08-27T17:01:18.215239Z","ended":"2018-06-18T06:42:28.264709Z","start_waiting":"2016-08-27T17:00:45.315011Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":91,"ranked":true},{"id":2131,"name":"jacensolo's mini-tournament","director":{"id":46289,"username":"jacensolo","country":"us","icon":"https://secure.gravatar.com/avatar/d891a6af3da0ac31aa12f6e6382bfedb?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1239.925569235062,"deviation":61.78882798949505,"volatility":0.0599788653523673}},"ranking":19.89530375150499,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"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":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":"2013-05-19T18:54:53Z","ended":"2013-05-19T16:54:53Z","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":2130,"name":"carokarm's mini-tournament","director":{"id":37953,"username":"carokarm","country":"it","icon":"https://user-uploads.online-go.com/a0691435eb8d73bedb868dfc58a43deb-64.png","ratings":{"version":5,"overall":{"rating":1070.280775706649,"deviation":63.91998008727588,"volatility":0.059720797677923085}},"ranking":16.489236571459887,"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":259200,"max_time":432000,"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":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":9,"analysis_enabled":false,"exclusivity":"open","started":"2013-05-24T18:10:49Z","ended":"2013-05-24T16:10:49Z","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":2147,"name":"Amane's IGo Marathon 24","director":{"id":7425,"username":"masutami","country":"sg","icon":"https://secure.gravatar.com/avatar/966aad8981dcc75b5b8ab04427a833b2?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1464.8658156740034,"deviation":64.25957956452444,"volatility":0.05979175956401998}},"ranking":23.75469330835485,"professional":false,"ui_class":""},"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":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":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":-4,"analysis_enabled":false,"exclusivity":"open","started":"2013-04-23T06:51:55Z","ended":"2013-11-09T17:59:58.872383Z","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":2142,"name":"FITC's mini-tournament","director":{"id":22335,"username":"FITC","country":"un","icon":"https://secure.gravatar.com/avatar/c23d948bcd53050e2ee2ef6b524d4fbf?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1644.9579463396963,"deviation":63.73109291059572,"volatility":0.06007910276647698}},"ranking":26.438962997518306,"professional":false,"ui_class":""},"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":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":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":14,"max_ranking":21,"analysis_enabled":false,"exclusivity":"open","started":"2013-03-17T13:28:59Z","ended":"2013-10-24T11:33:01.700812Z","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":110728,"name":"Blitz 13x13 Swiss Tournament 2023-12-17 11:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260801T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-08-01T03:00:16.361617Z","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":"2026-08-01T07:00:00Z","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":"2023-12-17T11:30:35.588972Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-12-17T11:31:35.741791Z","ended":"2023-12-17T12:14:48.935762Z","start_waiting":"2023-12-17T11:31:35.601322Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":7,"ranked":true},{"id":2149,"name":"Algiskas's mini-tournament","director":{"id":26785,"username":"Algiskas","country":"un","icon":"https://secure.gravatar.com/avatar/119383a17a3be643fc773f7e67c4a8c5?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1740.352821408428,"deviation":66.60987135807815,"volatility":0.06007679667158133}},"ranking":27.74399897167797,"professional":false,"ui_class":""},"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":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":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":21,"analysis_enabled":false,"exclusivity":"open","started":"2013-04-24T20:29:54Z","ended":"2013-04-24T18:29:54Z","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":2141,"name":"takkaa's mini-tournament","director":{"id":733,"username":"takkaa","country":"pl","icon":"https://secure.gravatar.com/avatar/04ec8884ae7cd96e2536ac2138a100d7?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1779.510780526295,"deviation":64.56126229807248,"volatility":0.05990329909237355}},"ranking":28.259100836979073,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","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":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":24,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2013-04-13T16:24:48Z","ended":"2013-11-19T17:40:29.919176Z","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":2148,"name":"space78's mini-tournament","director":{"id":39763,"username":"space78","country":"un","icon":"https://secure.gravatar.com/avatar/9408f09c9bb6a8e87b2de2b071ef0e85?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1498.926117460252,"deviation":83.82213312426758,"volatility":0.060008501916206394}},"ranking":24.286802659419223,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"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":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":9,"analysis_enabled":false,"exclusivity":"open","started":"2013-05-13T22:05:01Z","ended":"2013-05-13T20:05:01Z","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}]}