{"count":59886,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=5264","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=5262","results":[{"id":55454,"name":"The first winter tournament","director":{"id":705042,"username":"Bruh da pro","country":"un","icon":"https://secure.gravatar.com/avatar/403e4e5fd5507da52e43106d356a7bee?s=64&d=retro","ratings":{"version":5,"overall":{"rating":794.6713911524618,"deviation":72.80545428001221,"volatility":0.05999507320711897}},"ranking":9.596379272773099,"professional":false,"ui_class":""},"description":"Not a huge competition","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":31,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":30,"initial_time":120,"max_time":300},"is_open":true,"exclude_provisional":false,"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":18004,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2020-01-07T22:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-01-11T10:18:40.359406Z","ended":"2020-01-11T10:28:41.076034Z","start_waiting":"2020-01-11T10:18:39.986815Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":4,"ranked":true},{"id":75570,"name":"Correspondence 9x9 RoundRobin 2021-05-26 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 Sitewide Tournament","schedule":{"id":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260610T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-06-10T19:00:18.765936Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":9,"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":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":"2026-06-13T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","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":"2021-05-26T19:00:13.191615Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2021-05-26T19:00:15.058117Z","ended":"2021-07-13T18:09:36.070819Z","start_waiting":"2021-05-26T19:00:13.884120Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":57260,"name":"19 times 19 Tornament","director":{"id":437607,"username":"BlazePiggy543","country":"ca","icon":"https://user-uploads.online-go.com/41b692ea6fb3ab36e4a0e69b81c6f829-64.png","ratings":{"version":5,"overall":{"rating":1871.481106685611,"deviation":69.0722365542972,"volatility":0.06018091570881312}},"ranking":29.425667972143394,"professional":false,"ui_class":""},"description":"Join please","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":17280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":14400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":4508,"name":"Las Vegas Go Group","summary":"Welcome to the Las Vegas Go Group! Players of any rating welcome! \n<p>\nJoin us every Saturday at 12 p.m. at <a href=\"https://bss-respire.com/\"> Body, Soul, Spirit - Respire</a> (<a href=\"https://maps.app.goo.gl/Ne9rBjUyY35htvvSA\">3111 S. Jones Blvd, Las Ve","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":53,"icon":"https://user-uploads.online-go.com/78e2c15438d1dddaa14eda4cce881689-64.png"},"auto_start_on_max":false,"time_start":"2020-03-07T23:40:00Z","players_start":1,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":27,"analysis_enabled":true,"exclusivity":"open","started":"2020-03-07T23:40:56.553675Z","ended":"2020-03-07T23:40:56.517663Z","start_waiting":"2020-03-07T23:40:56.422792Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/78e2c15438d1dddaa14eda4cce881689-15.png","player_count":1,"ranked":true},{"id":132191,"name":"19x19 Open League #100","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1336.2097301293136,"deviation":70.7085945980447,"volatility":0.060211746021122135}},"ranking":21.626592554145315,"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":76,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-09-21T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-09-16T04:33:44.148788Z","ended":"2026-02-15T09:34:24.826624Z","start_waiting":"2025-09-16T04:33:43.564117Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":93707,"name":"1 -> 李子霆 2 -> 蔡得恩","director":{"id":818416,"username":"傳碁學園","country":"un","icon":"https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png","ratings":{"version":5,"overall":{"rating":1898.3468207617877,"deviation":71.28817954667363,"volatility":0.06041644550084839}},"ranking":29.755630942351214,"professional":false,"ui_class":""},"description":"1 -> 李子霆\n2 -> 蔡得恩","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":600,"period_time":30,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":6399,"name":"傳碁 B班","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":53,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2022-08-20T06:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2022-08-20T05:21:37.377006Z","ended":"2022-08-20T05:31:48.851993Z","start_waiting":"2022-08-20T05:21:37.300755Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":2,"ranked":true},{"id":27625,"name":"DUCK GAME","director":{"id":120320,"username":"Ignil","country":"_GoT_Lannister","icon":"https://user-uploads.online-go.com/e9f6ae33557bfe5d19889c6e4af8dcc4-64.png","ratings":{"version":5,"overall":{"rating":2121.912696995676,"deviation":70.45817006699149,"volatility":0.05996492273182429}},"ranking":32.33302425647488,"professional":false,"ui_class":""},"description":"13 X 13 for FUN","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":485,"name":"THAILAND GO","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":518,"icon":"https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-64.png"},"auto_start_on_max":true,"time_start":"2017-07-07T11:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2017-06-03T15:04:58.132272Z","ended":"2017-07-26T11:05:07.606749Z","start_waiting":"2017-06-03T15:04:52.557610Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/51662af930ea8ccf8fe4335513ca2357-15.png","player_count":10,"ranked":true},{"id":59814,"name":"Selfplay 10","director":{"id":768720,"username":"katrain-balanced","country":"eu","icon":"https://user-uploads.online-go.com/20c0a785f436684c0994dee72a1c6268-64.png","ratings":{"version":5,"overall":{"rating":2344.620612354147,"deviation":68.35543689016646,"volatility":0.060163292710646986}},"ranking":34.643526339655004,"professional":false,"ui_class":"bot"},"description":"Selfplay 10","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"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":5460,"name":"KaTrain","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":15,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-04-29T08:50:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-04-29T08:50:11.476272Z","ended":"2020-04-29T09:04:21.866920Z","start_waiting":"2020-04-29T08:50:09.289701Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":6,"ranked":true},{"id":62559,"name":"Correspondence 9x9 RoundRobin 2020-06-30 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 Sitewide Tournament","schedule":{"id":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260610T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-06-10T19:00:18.765936Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":9,"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":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":"2026-06-13T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","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":"2020-06-30T19:00:28.470817Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2020-06-30T19:00:46.887565Z","ended":"2020-08-18T18:03:54.510699Z","start_waiting":"2020-06-30T19:00:44.693228Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":8,"ranked":true},{"id":55767,"name":"Fast Correspondence – January 2020 (C)","director":{"id":784,"username":"mlopezviedma","country":"ar","icon":"https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png","ratings":{"version":5,"overall":{"rating":1523.6905157613091,"deviation":61.871308506532216,"volatility":0.059736468741597874}},"ranking":24.66614858276941,"professional":false,"ui_class":"supporter moderator"},"description":"Please, avoid delaying your games using the vacation feature. If that’s the case, the tournament director may call the game for your opponent (always with previous notice).\n\nAnalysis is enabled mainly to allow the use of conditional moves.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":30720,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":28800,"initial_time":172800,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":508,"name":"Fast Correspondence","summary":"Tournaments for people who like to play quick correspondence games.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":823,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"},"auto_start_on_max":false,"time_start":"2020-01-23T00:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-01-23T00:00:46.302511Z","ended":"2020-03-02T14:05:49.562935Z","start_waiting":"2020-01-23T00:00:42.418411Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":10,"ranked":true},{"id":21860,"name":"Correspondence 9x9 RoundRobin 2016-10-31 01:00","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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260610T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-06-10T19:00:18.765936Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":9,"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":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":"2026-06-13T19:00:00Z","base_points":"10.0"},"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":true,"group":null,"auto_start_on_max":false,"time_start":"2016-10-31T01:00:35.091332Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-10-31T01:00:54.625238Z","ended":"2016-12-13T07:43:35.820065Z","start_waiting":"2016-10-31T01:00:52.646494Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true}]}