{"count":59326,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4188","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=4186","results":[{"id":62001,"name":"Mental Combat Basic 2020 19x19 Regular","director":{"id":476035,"username":"MonkeyMonk","country":"ru","icon":"https://secure.gravatar.com/avatar/893ba2588a07b3654986a9ddfaabc7d7?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1421.3320906134593,"deviation":61.451764318788584,"volatility":0.0600152725576737}},"ranking":23.05627815682673,"professional":false,"ui_class":""},"description":"Annual Mental Combat Basic regular tournament.","schedule":null,"title":null,"tournament_type":"double_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":5771,"name":"Mental Combat","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":0,"icon":"https://user-uploads.online-go.com/cade87c9b60b1cde406b87b63c367e0f-64.png"},"auto_start_on_max":true,"time_start":"2020-07-15T01:00:00Z","players_start":8,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-07-15T01:00:49.369228Z","ended":"2022-03-15T07:54:09.526392Z","start_waiting":"2020-07-15T01:00:48.802248Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/cade87c9b60b1cde406b87b63c367e0f-15.png","player_count":19,"ranked":true},{"id":89207,"name":"Blitz 9x9","director":{"id":599102,"username":"🐬⚔️🐬 🍩🥂🕯️🌱","country":"bs","icon":"https://user-uploads.online-go.com/9f1b3b5e4e9ea8e9cad3ce3456addaf5-64.png","ratings":{"version":5,"overall":{"rating":1646.7114093252521,"deviation":65.53236576357357,"volatility":0.06020281826982568}},"ranking":26.463626879317594,"professional":false,"ui_class":""},"description":"Anyone is welcome, have fun!","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":5,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"blitz","pause_on_weekends":false,"main_time":0,"period_time":5,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":10635,"name":"Blitz ⚡","summary":"Welcome,\n\nBlitz style tourneys, please join if you like speedy Go!\n\n\n","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":20,"icon":"https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-64.png"},"auto_start_on_max":false,"time_start":"2022-04-27T01:10:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-04-27T01:10:19.211679Z","ended":"2022-04-27T01:13:48.738072Z","start_waiting":"2022-04-27T01:10:19.127160Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/beada510a6d27c2fd6dbd356f2a0e5e1-15.png","player_count":4,"ranked":true},{"id":87303,"name":"囲碁循环赛","director":{"id":1131924,"username":"老鼠爱围棋","country":"cn","icon":"https://user-uploads.online-go.com/663eac2c6593165dae2711066790c5a4-64.png","ratings":{"version":5,"overall":{"rating":1400.6793123797295,"deviation":66.4087265882463,"volatility":0.06009341567049296}},"ranking":22.71742739828948,"professional":false,"ui_class":""},"description":"所有人都可以参加的循环赛，日本规则，棋盘为是19×19，费舍尔制比赛。","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":11331,"name":"ヒカルの碁","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2022-03-15T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2022-03-15T10:52:22.267290Z","ended":"2022-03-15T17:33:23.083328Z","start_waiting":"2022-03-15T10:52:22.230769Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":2,"ranked":true},{"id":85393,"name":"9x9 Mini League 1k-9k #7","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1350.9506680742331,"deviation":67.94488186874248,"volatility":0.06020289863519509}},"ranking":21.880582704343748,"professional":false,"ui_class":""},"description":"Special league for players between 9kyu and 1kyu. 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":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":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":698,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2022-02-06T21:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2022-02-02T06:55:39.298419Z","ended":"2022-03-18T13:09:31.127542Z","start_waiting":"2022-02-02T06:55:39.079831Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":93022,"name":"We love Go","director":{"id":875708,"username":"vanecho","country":"ca","icon":"https://secure.gravatar.com/avatar/21fd8ed0ecc0af43aabf973b48f11224?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1394.7405472660932,"deviation":67.62793700753289,"volatility":0.060329591840027785}},"ranking":22.6190646291034,"professional":false,"ui_class":""},"description":"why not","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"japanese","time_per_move":6,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"blitz","pause_on_weekends":false,"main_time":120,"period_time":5,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":10243,"name":"AGA GO CLUB","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":27,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2022-07-31T22:30:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-07-31T22:30:54.651435Z","ended":"2022-07-31T22:41:29.150829Z","start_waiting":"2022-07-31T22:30:54.527191Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":47507,"name":"9x9 Lovers Round Robin","director":{"id":620746,"username":"9x9 Lover num.3524","country":"us","icon":"https://secure.gravatar.com/avatar/a993c9c1a006353ba6912cf5a4d762f4?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1600.5988747154418,"deviation":66.79698692838825,"volatility":0.059976129930831824}},"ranking":25.80611229378819,"professional":false,"ui_class":""},"description":"Please ensure that your schedule and playing habits work with the time settings. \nYou will have one match (m) per player (n) involved in the tournament (m=n-1) so if there are 10 players, you will be playing 9 games at once.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"time_control":"simple","speed":"correspondence","system":"simple","pause_on_weekends":false,"per_move":172800},"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":698,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":false,"time_start":"2019-04-18T21:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":10,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2019-04-18T21:00:10.479479Z","ended":"2019-05-19T23:44:42.198632Z","start_waiting":"2019-04-18T21:00:07.729831Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":10,"ranked":true},{"id":86601,"name":"Correspondence 19x19 RoundRobin 2022-02-27 19:00","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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260412T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-12T19:00:35.812303Z","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":"2026-04-15T19:00:00Z","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":"2022-02-27T19:00:26.338862Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2022-02-27T19:01:20.880751Z","ended":"2022-07-26T06:27:25.962488Z","start_waiting":"2022-02-27T19:01:20.345342Z","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":138132,"name":"8ctexh 19x19 ofkc6xkykc lcmytzrjf","director":{"id":1821698,"username":"s578gz589","country":"un","icon":"https://secure.gravatar.com/avatar/b661377ce4167f78278c7a199986ca37?s=64&d=retro","ratings":{"version":5,"overall":{"rating":953.6748991035943,"deviation":67.81497730475785,"volatility":0.0600877009080496}},"ranking":13.818803891761057,"professional":false,"ui_class":""},"description":"8ctexh 19x19 ofkc6xkykc lcmytzrjf","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":16264,"name":"9x9 13x13 19x19 123 ! !","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":2,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2026-03-14T06:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":10,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2026-03-14T06:00:11.128915Z","ended":null,"start_waiting":"2026-03-14T06:00:10.847303Z","board_size":19,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":118461,"name":"Correspondence 13x13 RoundRobin 2024-07-26 19:00","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 Site-wide Tournament","schedule":{"id":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260410T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-04-10T19:00:34.174751Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":13,"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":"2026-04-13T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":90782,"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":"2024-07-26T19:00:25.809563Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2024-07-26T19:00:26.135719Z","ended":"2024-08-23T11:07:02.050264Z","start_waiting":"2024-07-26T19:00:25.991034Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":5,"ranked":true},{"id":116353,"name":"9x9 Mini League 10k-25k #235","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1350.9506680742331,"deviation":67.94488186874248,"volatility":0.06020289863519509}},"ranking":21.880582704343748,"professional":false,"ui_class":""},"description":"Special league for players between 25kyu and 10kyu. 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":698,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2024-06-02T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2024-06-01T16:21:35.942660Z","ended":"2024-06-29T16:20:45.704127Z","start_waiting":"2024-06-01T16:21:35.747144Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true}]}