{"count":60916,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=1772","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=1770","results":[{"id":125810,"name":"Correspondence 19x19 RoundRobin 2025-02-26 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:20260831T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-08-31T19:00:32.133942Z","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":"2026-09-03T19:00:00Z","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":"2025-02-26T19:00:50.725647Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-02-26T19:01:51.320332Z","ended":"2025-10-14T20:19:23.945909Z","start_waiting":"2025-02-26T19:01:50.723810Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":139288,"name":"19x19 correspondence Go tournament","director":{"id":1754384,"username":"Shogi2025","country":"us","icon":"https://user-uploads.online-go.com/a65f17713540c0b672ebb8cc2910edb9-64.png","ratings":{"version":5,"overall":{"rating":747.4858835579258,"deviation":62.51705097538254,"volatility":0.06004515771058339}},"ranking":8.179292198962177,"professional":false,"ui_class":""},"description":"My first hosting of a Go tournament, as last time that I tried, it did not start. I appreciate anyone who joins.","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":43,"name":"Kyu Level Study Group","summary":"A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8966,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"},"auto_start_on_max":false,"time_start":"2026-04-17T01:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2026-04-17T01:00:56.341566Z","ended":"2026-07-30T18:47:11.440805Z","start_waiting":"2026-04-17T01:00:56.177768Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png","player_count":4,"ranked":false},{"id":131867,"name":"HAPPY GO #118 Double Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png","ratings":{"version":5,"overall":{"rating":2013.9606687438604,"deviation":72.63091185335425,"volatility":0.05977615724203503}},"ranking":31.12425551835942,"professional":false,"ui_class":""},"description":"Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete.\n\nDouble elimination tournament every Sunday.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"chinese","time_per_move":43884,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":86400,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":12619,"name":"Happy Go!!!","summary":"Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":78,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2025-08-31T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":34,"analysis_enabled":true,"exclusivity":"open","started":"2025-08-31T04:00:30.136001Z","ended":"2025-10-04T00:17:23.706920Z","start_waiting":"2025-08-31T04:00:30.074093Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":4,"ranked":true},{"id":133387,"name":"Blitz 19x19 Elimination Tournament 2025-10-14 21:30","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:20260902T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-09-02T17:00:32.405317Z","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":"2026-09-02T21:00:00Z","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":"2025-10-14T21:30:45.453174Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-10-14T21:31:45.512556Z","ended":"2025-10-14T21:42:33.703984Z","start_waiting":"2025-10-14T21:31:45.453745Z","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":138323,"name":"Blitz 19x19 Elimination Tournament 2026-03-15 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:20260902T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-09-02T17:00:32.405317Z","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":"2026-09-02T21:00:00Z","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":"2026-03-15T17:30:11.315770Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2026-03-15T17:31:11.429770Z","ended":"2026-03-15T18:02:33.052098Z","start_waiting":"2026-03-15T17:31:11.310046Z","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":133404,"name":"Blitz 19x19 Elimination Tournament 2025-10-15 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 Site-wide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260902T170000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-09-02T17:00:32.405317Z","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":"2026-09-02T21:00:00Z","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":"2025-10-15T13:30:45.542561Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-10-15T13:31:45.598367Z","ended":"2025-10-15T13:45:48.936648Z","start_waiting":"2025-10-15T13:31:45.530629Z","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":105528,"name":"International Moon Day","director":{"id":829659,"username":"𝖌𝖔 𝖕𝖗𝖔66","country":"us","icon":"https://user-uploads.online-go.com/e5a663a5d87d9007b7179b50144d2ab0-64.png","ratings":{"version":5,"overall":{"rating":1106.19226990467,"deviation":63.07057602210247,"volatility":0.060709301412112573}},"ranking":17.253249292399524,"professional":false,"ui_class":""},"description":"Neil Armstrong and Buzz Aldrin landed on the moon on July 20, 1969.","schedule":null,"title":null,"tournament_type":"swiss","handicap":-1,"rules":"chinese","time_per_move":91871,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":691200,"max_time":1209600},"is_open":true,"exclude_provisional":false,"group":{"id":9450,"name":"simple go","summary":"","require_invitation":true,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":9,"icon":"https://user-uploads.online-go.com/0c7c663cf59b04af1b51c7dc1fa11e2b-64.png"},"auto_start_on_max":false,"time_start":"2023-07-20T19:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-07-20T19:00:49.621380Z","ended":"2026-03-15T13:27:36.612742Z","start_waiting":"2023-07-20T19:00:49.128237Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/0c7c663cf59b04af1b51c7dc1fa11e2b-15.png","player_count":21,"ranked":true},{"id":137303,"name":"BeGinNer fIgHT!! _ ReBooT Ver7_ TNMT","director":{"id":1742791,"username":"AKIBABO","country":"kr","icon":"https://user-uploads.online-go.com/42e46e1ae449cfa5e3b99fac1d8dfab8-64.png","ratings":{"version":5,"overall":{"rating":958.1300280883601,"deviation":60.57001343495253,"volatility":0.05983117187694943}},"ranking":13.926698187064966,"professional":false,"ui_class":""},"description":"BeGinNer fIgHT!! \n어서 오세요~~!! 초보자여~~ \n新手欢迎～～～","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":false,"per_move":86400},"is_open":true,"exclude_provisional":true,"group":{"id":16114,"name":"ShaNgHai_Korean_ChINa_BegInNer","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":3,"icon":"https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-64.png"},"auto_start_on_max":false,"time_start":"2026-02-19T10:00:00Z","players_start":8,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":15,"analysis_enabled":false,"exclusivity":"open","started":"2026-02-19T10:00:15.813083Z","ended":"2026-03-24T11:22:23.672862Z","start_waiting":"2026-02-19T10:00:15.585724Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/43948073dc0ed3291bbcf879bf34fa76-15.png","player_count":8,"ranked":true},{"id":135025,"name":"Correspondence 19x19 RoundRobin 2025-12-05 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:20260831T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-08-31T19:00:32.133942Z","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":"2026-09-03T19:00:00Z","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":"2025-12-05T19:00:53.777900Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-05T19:01:11.390588Z","ended":"2026-02-20T16:29:33.045938Z","start_waiting":"2025-12-05T19:01:11.076715Z","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":129971,"name":"Primus inter pares (4) (12 k only)","director":{"id":1218730,"username":"Petru Dumitriu","country":"ro","icon":"https://user-uploads.online-go.com/c234bf3d6aabfd36a9d9dd48123a71e5-64.png","ratings":{"version":5,"overall":{"rating":1101.1249785725547,"deviation":61.60496331298371,"volatility":0.05974962926404839}},"ranking":17.14695917891787,"professional":false,"ui_class":""},"description":"Dear 12 k players,\n\nThis is really unique and (no longer) unprecedented. A tournament dedicated exclusively to serious and dedicated 12 k players. The new format has proved to be attractive and successful.\n\nThe previous edition of the round robin took shorter than any other tournament I participate in: from February till May. It will give you a quick but meaningful assessment of your potential\n\nThe best chance to focus and to enjoy a challenging tournament, free of frustration, pure pleasure. \n\nJoin as soon as you can to make sure that you are still 12 k.","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","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":true,"group":{"id":655,"name":"Romania","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":31,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-06-29T15:00:00Z","players_start":9,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":18,"max_ranking":18,"analysis_enabled":true,"exclusivity":"open","started":"2025-07-01T04:27:26.656544Z","ended":"2025-10-15T15:33:29.879944Z","start_waiting":"2025-07-01T04:27:26.179491Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":9,"ranked":true}]}