{"count":59621,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=1172","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=1170","results":[{"id":134854,"name":"Handicap Arena 2025 - 098","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1090.465887946562,"deviation":64.79657529283531,"volatility":0.060067569323205706}},"ranking":16.921771259522597,"professional":false,"ui_class":"supporter"},"description":"Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"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":13655,"name":"Handicap Arena","summary":"Organising arena-type handicap correspondence tournaments.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":107,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-12-01T09:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-11-30T13:59:50.309856Z","ended":"2026-01-03T01:00:19.253589Z","start_waiting":"2025-11-30T13:59:50.166733Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":5,"ranked":true},{"id":35934,"name":"Correspondence 19x19 RoundRobin 2018-04-01 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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260509T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-05-09T19:00:49.439064Z","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":"2026-05-12T19:00:00Z","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":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2018-04-01T01:00:42.019680Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2018-04-01T01:01:10.371995Z","ended":"2018-07-16T05:57:19.444827Z","start_waiting":"2018-04-01T01:01:07.485967Z","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":111819,"name":"Castle","director":{"id":154786,"username":"Samurai T","country":"rs","icon":"https://user-uploads.online-go.com/fc8655823be3f2eafe135fa4e85b86bc-64.png","ratings":{"version":5,"overall":{"rating":836.9339032072487,"deviation":72.26187322541816,"volatility":0.05978181188194133}},"ranking":10.795929255497178,"professional":false,"ui_class":""},"description":"Play for pleasure and analize games","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":177,"name":"GO Beginners","summary":"For alle GO beginners of the world. We play tournaments with rating limit.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":259,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2024-02-01T17:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":9,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2024-02-01T17:00:01.846048Z","ended":"2024-11-04T13:02:07.563131Z","start_waiting":"2024-02-01T17:00:01.721419Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":5,"ranked":true},{"id":62142,"name":"sunday Go","director":{"id":56637,"username":"milanm","country":"un","icon":"https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png","ratings":{"version":5,"overall":{"rating":1684.396822958371,"deviation":65.99361364142446,"volatility":0.05990167917125196}},"ranking":26.98744927550691,"professional":false,"ui_class":"aga"},"description":"weekly Go tournament","schedule":null,"title":null,"tournament_type":"double_elimination","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":240},"is_open":true,"exclude_provisional":false,"group":{"id":5803,"name":"Massachusetts Go Foundation","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":49,"icon":"https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"},"auto_start_on_max":false,"time_start":"2020-06-21T17:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-06-21T17:00:47.418317Z","ended":"2020-06-21T17:37:14.791772Z","start_waiting":"2020-06-21T17:00:46.647219Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png","player_count":9,"ranked":true},{"id":101937,"name":"8 апреля","director":{"id":659128,"username":"Эльфия Ходжер","country":"ru","icon":"https://user-uploads.online-go.com/da4f80244d4374a384a34d958df3ca5d-64.png","ratings":{"version":5,"overall":{"rating":1128.3497122652661,"deviation":70.20562175549698,"volatility":0.060141874992419964}},"ranking":17.71236942299548,"professional":false,"ui_class":""},"description":"Нужно играть","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":39,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":1200,"period_time":30,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":12847,"name":"Nikoniko ДЕТИ","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":36,"icon":"https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-64.png"},"auto_start_on_max":false,"time_start":"2023-04-08T02:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2023-04-08T02:00:27.516037Z","ended":"2023-04-08T03:59:32.773303Z","start_waiting":"2023-04-08T02:00:27.398326Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5d1f758ff5f62b603db8ca464a2e627d-15.png","player_count":8,"ranked":true},{"id":61834,"name":"Shogi 将棋 9x9 VII","director":{"id":697149,"username":"deleted-57394cd2-c7b2-41c3-9e0b-1d116d71ec17","country":"se","icon":"https://user-uploads.online-go.com/2d41f0fc65fb65cf386d8f5534a6d163-64.png","ratings":{"version":5,"overall":{"rating":1665.2715388700315,"deviation":71.21323820073493,"volatility":0.0598806998975717}},"ranking":26.723091679426847,"professional":false,"ui_class":""},"description":"9x9 like Shogi, the only major chess variant where you can put pieces back on the board.","schedule":null,"title":null,"tournament_type":"mcmahon","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":935,"name":"Shogi 81Dojo","summary":"Group for Shogi players on 81Dojo","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":38,"icon":"https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-64.png"},"auto_start_on_max":false,"time_start":"2020-06-26T16:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2020-06-26T16:00:23.894979Z","ended":"2020-11-04T20:49:46.872774Z","start_waiting":"2020-06-26T16:00:23.421870Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/3c4c30cf525cdb0ce1b84419cbc29df1-15.png","player_count":12,"ranked":true},{"id":16743,"name":"hope Springs eternal","director":{"id":273,"username":"Tom Newman","country":"001","icon":"https://user-uploads.online-go.com/6d5cf13f983d9626e25ef9a1cb063741-64.png","ratings":{"version":5,"overall":{"rating":987.4544601735643,"deviation":65.67034243915352,"volatility":0.06015913072613475}},"ranking":14.624598504853637,"professional":false,"ui_class":"supporter"},"description":"Spring handicap match","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":839,"name":"Friendly Competition","summary":"Friendly Games","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":13,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2016-04-30T13:00:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"group","started":"2016-04-30T13:00:57.597294Z","ended":"2018-06-07T19:45:05.557925Z","start_waiting":"2016-04-30T13:00:57.497139Z","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":94307,"name":"OST - Olympic System Tournament","director":{"id":1033608,"username":"NetCat","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1406.6650193080409,"deviation":70.55993802829255,"volatility":0.06003444046653894}},"ranking":22.81614654991628,"professional":false,"ui_class":""},"description":"Join the OST community (^-^)\n\nOlympic System Tournament","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":259200},"is_open":true,"exclude_provisional":true,"group":{"id":11969,"name":"OST GO","summary":"For Olympic tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":54,"icon":"https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png"},"auto_start_on_max":false,"time_start":"2022-09-24T15:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-09-24T15:00:56.340857Z","ended":"2023-10-13T11:16:36.649005Z","start_waiting":"2022-09-24T15:00:56.105822Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png","player_count":19,"ranked":true},{"id":101023,"name":"9x9 Open League #65","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1257.5002115132957,"deviation":70.5314527460033,"volatility":0.060215261717849605}},"ranking":20.22112699556229,"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":697,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2023-04-09T19:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-04-07T17:04:05.782651Z","ended":"2023-07-26T13:28:00.613154Z","start_waiting":"2023-04-07T17:04:05.321690Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":10,"ranked":true},{"id":77429,"name":"Jayden4A08","director":{"id":1023107,"username":"Jayden_sca-022026","country":"un","icon":"https://user-uploads.online-go.com/bd47922dd8c2a912605be18e8a2df84e-64.png","ratings":{"version":5,"overall":{"rating":628.4638415344155,"deviation":161.8203642403576,"volatility":0.060037096026427476}},"ranking":5,"professional":false,"ui_class":"provisional"},"description":"dgtfhdfthfgjdfjh","schedule":null,"title":null,"tournament_type":"mcmahon","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":true,"group":{"id":9643,"name":"SCPS4A","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":24,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-07-13T01:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-07-13T08:58:19.892971Z","ended":"2021-09-18T11:35:10.227975Z","start_waiting":"2021-07-13T08:58:19.810502Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true}]}