{"count":59234,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4278","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4276","results":[{"id":112941,"name":"Sunday GO 24 13×13","director":{"id":1480414,"username":"imtiyaz.sitisan","country":"un","icon":"https://secure.gravatar.com/avatar/fbd0e4d2cfe92f82f4cd19af2599194d?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1500,"deviation":350,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"Fun fun","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":45,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":0,"period_time":45,"periods":1},"is_open":true,"exclude_provisional":false,"group":{"id":13675,"name":"Sunday GO and MORE","summary":"You can't miss this group, join now!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":109,"icon":"https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png"},"auto_start_on_max":false,"time_start":"2024-03-03T06:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-03-03T06:00:31.184114Z","ended":"2024-03-03T06:10:58.094481Z","start_waiting":"2024-03-03T06:00:31.103025Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png","player_count":3,"ranked":true},{"id":100691,"name":"Blitz tournament for  WSC","director":{"id":706506,"username":"vixigi","country":"un","icon":"https://user-uploads.online-go.com/4bfe827742d938752ce9de87c4d1dad0-64.png","ratings":{"version":5,"overall":{"rating":1267.1053977757024,"deviation":65.2955865961427,"volatility":0.060145682591621896}},"ranking":20.397282141592083,"professional":false,"ui_class":""},"description":"a blitz tournament for  WSC, hopefully not the onlyone","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":10,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"blitz","pause_on_weekends":false,"time_increment":10,"initial_time":30,"max_time":60},"is_open":true,"exclude_provisional":true,"group":{"id":6630,"name":"Go friends 🐬","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":361,"icon":"https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-64.png"},"auto_start_on_max":false,"time_start":"2023-03-03T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-03-03T17:56:24.575520Z","ended":"2023-03-03T18:27:43.552483Z","start_waiting":"2023-03-03T17:56:24.444675Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/1812f8b45802b8be5ee62fbbb3c3ab82-15.png","player_count":4,"ranked":true},{"id":130505,"name":"13x13 Mini League 2d-9k #5","director":{"id":1688153,"username":"Mittelmark","country":"de","icon":"https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png","ratings":{"version":5,"overall":{"rating":1085.853799560171,"deviation":67.3768163524415,"volatility":0.060025167068784406}},"ranking":16.823651478136373,"professional":false,"ui_class":"supporter"},"description":"A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":93703,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":432000,"max_time":1209600},"is_open":true,"exclude_provisional":true,"group":{"id":161,"name":"13x13","summary":"Like to play on a 13 x 13 board?","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":57,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-08-29T18:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":31,"analysis_enabled":false,"exclusivity":"open","started":"2025-08-24T08:55:07.241987Z","ended":"2025-12-17T02:36:42.309530Z","start_waiting":"2025-08-24T08:55:07.109308Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":5,"ranked":true},{"id":55662,"name":"2nd Tournament","director":{"id":278620,"username":"rodrigo_o","country":"br","icon":"https://user-uploads.online-go.com/5f04c97f6a4663c43d09dff0096bf3ac-64.png","ratings":{"version":5,"overall":{"rating":915.824803911921,"deviation":68.60262348810217,"volatility":0.0602190954258877}},"ranking":12.881280922000522,"professional":false,"ui_class":""},"description":"2nd Tournament from Tournament Kingdom","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":432000},"is_open":true,"exclude_provisional":true,"group":{"id":3824,"name":"Tournament Kingdom","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-01-20T15:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-01-20T15:00:16.119033Z","ended":"2020-04-20T05:04:15.672826Z","start_waiting":"2020-01-20T15:00:15.283751Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":6,"ranked":true},{"id":79329,"name":"tournoi de la rentree","director":{"id":962948,"username":"danawan","country":"fr","icon":"https://user-uploads.online-go.com/d575323588b59f3b5a6c2edd7adbd32a-64.png","ratings":{"version":5,"overall":{"rating":780.219276550417,"deviation":62.49648480701647,"volatility":0.059959531634630275}},"ranking":9.171491562639412,"professional":false,"ui_class":""},"description":"tournoi de la rentree, debut dimanche a midi,j'ai rallongé un peu les temps, on est a 5jours initial, 2jours en supplement et 14 jours au total, bonne chance a tous ;)","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"aga","time_per_move":177600,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":172800,"initial_time":432000,"max_time":1209600},"is_open":true,"exclude_provisional":true,"group":{"id":9244,"name":"parentsgo","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":12,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-08-29T10:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-08-29T10:00:09.589550Z","ended":"2021-10-26T14:51:01.877439Z","start_waiting":"2021-08-29T10:00:08.170995Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":35387,"name":"Yasuda's Title Tournament","director":{"id":509226,"username":"Ryuma","country":"us","icon":"https://secure.gravatar.com/avatar/5fb236ab2064e1f30981ef7416f81d7f?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1889.3374602338436,"deviation":66.05590735530238,"volatility":0.06015461015671025}},"ranking":29.6455018639557,"professional":false,"ui_class":""},"description":"This is a tournament for winning the Yasuda's title on OGS","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":2219,"name":"OGS Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":38,"icon":"https://user-uploads.online-go.com/0038e640d3983149f0fbe1c2b9aba0d0-64.png"},"auto_start_on_max":false,"time_start":"2018-04-01T04:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-04-01T04:00:21.769591Z","ended":"2019-08-10T17:07:00.330938Z","start_waiting":"2018-04-01T04:00:18.571367Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/0038e640d3983149f0fbe1c2b9aba0d0-15.png","player_count":69,"ranked":true},{"id":44319,"name":"March ,Michigan G.P.","director":{"id":467165,"username":"MummRa","country":"us","icon":"https://user-uploads.online-go.com/68359dab5164ddcdffa8ad4ca0699079-64.png","ratings":{"version":5,"overall":{"rating":1247.96548084978,"deviation":64.85752922715939,"volatility":0.06002061271498367}},"ranking":20.044928150690506,"professional":false,"ui_class":""},"description":"Absolute play clock\n\nWinners of monthly tournaments will be invited to yearly championship game","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":26880,"time_control_parameters":{"total_time":2419200,"time_control":"absolute","speed":"correspondence","system":"absolute","pause_on_weekends":false},"is_open":true,"exclude_provisional":true,"group":{"id":306,"name":"Michigan Go Players","summary":"For Players from all over Michigan","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":88,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2019-03-14T12:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2019-03-14T12:01:03.287810Z","ended":"2019-08-03T23:21:13.029672Z","start_waiting":"2019-03-14T12:00:59.367647Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":7,"ranked":true},{"id":100718,"name":"9x9 Open League #64","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1327.8708798787889,"deviation":68.43655838023334,"volatility":0.06019975291368844}},"ranking":21.481668250404397,"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/10842","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"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":3524,"name":"9x9 Lovers","summary":"A group for Go players who love the 9x9 board.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":696,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2023-03-12T20:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-03-11T20:34:06.618782Z","ended":"2023-05-29T23:46:45.478606Z","start_waiting":"2023-03-11T20:34:05.492306Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":10,"ranked":true},{"id":26700,"name":"Correspondence 9x9 RoundRobin 2017-04-29 22:52","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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260402T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-02T19:00:15.771573Z","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":"2026-04-05T19:00:00Z","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":"2017-04-29T22:52:01.795280Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2017-04-29T22:52:47.797133Z","ended":"2017-05-05T19:04:56.253759Z","start_waiting":"2017-04-29T22:52:47.071040Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":5,"ranked":true},{"id":138557,"name":"9x9 Mini League 5k-15k #176","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1327.8708798787889,"deviation":68.43655838023334,"volatility":0.06019975291368844}},"ranking":21.481668250404397,"professional":false,"ui_class":""},"description":"Special league for players between 15kyu and 5kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"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":3524,"name":"9x9 Lovers","summary":"A group for Go players who love the 9x9 board.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":696,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2026-03-29T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":15,"max_ranking":25,"analysis_enabled":true,"exclusivity":"open","started":"2026-03-29T00:48:07.849590Z","ended":null,"start_waiting":"2026-03-29T00:48:07.374115Z","board_size":9,"active_round":1,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true}]}