{"count":60020,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=5632","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=5630","results":[{"id":49025,"name":"Correspondence 19x19 RoundRobin 2019-06-04 20:57","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:20260623T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-06-23T19:00:16.052448Z","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":"2026-06-26T19:00:00Z","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":"2019-06-04T20:57:59.767098Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-06-04T20:58:55.053984Z","ended":"2019-12-13T19:39:10.651523Z","start_waiting":"2019-06-04T20:58:48.767537Z","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":111176,"name":"9x9 Mini League 1k-9k #102","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1317.1997592979628,"deviation":70.59911507982548,"volatility":0.060212816563961095}},"ranking":21.294877184752988,"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":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":708,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2024-01-07T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2024-01-04T21:17:35.479706Z","ended":"2024-02-10T11:46:28.730145Z","start_waiting":"2024-01-04T21:17:35.305075Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":77233,"name":"WT Honinbo Title Tournament 2021","director":{"id":721084,"username":"Lexxgo","country":"ru","icon":"https://user-uploads.online-go.com/eadd3bb95af972db608b10e308217d0d-64.png","ratings":{"version":5,"overall":{"rating":1702.0164192076516,"deviation":66.54857732174423,"volatility":0.059972624948633195}},"ranking":27.22835155459872,"professional":false,"ui_class":""},"description":"Honinbo OGS Title Tournament 2021","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":13440,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":1209600},"is_open":true,"exclude_provisional":false,"group":{"id":9239,"name":"World tournaments","summary":"World tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://user-uploads.online-go.com/f00af69c1e00d870226552a84d04d87c-64.png"},"auto_start_on_max":false,"time_start":"2021-07-08T11:00:00Z","players_start":100,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-07-12T09:53:54.179712Z","ended":"2021-11-14T22:59:02.367530Z","start_waiting":"2021-07-12T09:53:51.446523Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/f00af69c1e00d870226552a84d04d87c-15.png","player_count":32,"ranked":true},{"id":24884,"name":"第一回弥生戦","director":{"id":427956,"username":"_yura","country":"hk","icon":"https://user-uploads.online-go.com/23d845e30214bb2b5e4cb63d0b147ed9-64.png","ratings":{"version":5,"overall":{"rating":1914.9986272225497,"deviation":98.696149302691,"volatility":0.059985115789083554}},"ranking":29.95781129818457,"professional":false,"ui_class":""},"description":"Yearly tournament held in March.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":87360,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":86400,"max_time":259200,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":1469,"name":"Transcendentalism","summary":"All are welcome （´・ω・｀）","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1,"icon":"https://user-uploads.online-go.com/d7269156398df87981bad19ca4b5068c-64.png"},"auto_start_on_max":false,"time_start":"2017-02-28T15:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2017-02-28T15:00:43.100925Z","ended":"2017-09-13T04:24:26.866621Z","start_waiting":"2017-02-28T15:00:42.839716Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/d7269156398df87981bad19ca4b5068c-15.png","player_count":5,"ranked":true},{"id":127918,"name":"13x13 Mini League 10k-25k #2","director":{"id":1688153,"username":"Mittelmark","country":"de","icon":"https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png","ratings":{"version":5,"overall":{"rating":1073.2840100977699,"deviation":66.95187850935433,"volatility":0.06002501957710229}},"ranking":16.55410507658349,"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":60,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-05-06T14:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2025-05-02T14:13:20.511031Z","ended":"2025-06-17T10:03:14.698381Z","start_waiting":"2025-05-02T14:13:20.334863Z","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":84417,"name":"stars","director":{"id":1031669,"username":"OLIVIA LEONG","country":"un","icon":"https://user-uploads.online-go.com/1155a4235d53c543da2a2aeeba89a156-64.png","ratings":{"version":5,"overall":{"rating":994.5784005617045,"deviation":69.44113642538471,"volatility":0.06000514592300362}},"ranking":14.791013435139382,"professional":false,"ui_class":""},"description":"feel free to join if you like","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":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":18023,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2022-01-03T04:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":21,"analysis_enabled":true,"exclusivity":"open","started":"2022-01-03T11:14:49.340012Z","ended":"2022-01-04T04:58:31.703874Z","start_waiting":"2022-01-03T11:14:49.262532Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":3,"ranked":true},{"id":80924,"name":"Holder tournament 30 min","director":{"id":1044601,"username":"senseihk","country":"un","icon":"https://secure.gravatar.com/avatar/cdd1c81710571c60e6ca7c93b8674063?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2326.49766407098,"deviation":249.480229604016,"volatility":0.060008490664285076}},"ranking":34.463891257409,"professional":false,"ui_class":"provisional"},"description":"Holder tournament 30 min","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"chinese","time_per_move":20,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"live","pause_on_weekends":false,"total_time":1800},"is_open":true,"exclude_provisional":false,"group":{"id":10177,"name":"SGA-Tournament","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":42,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-10-04T11:50:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2021-10-04T11:50:47.068626Z","ended":"2021-10-04T13:20:55.121579Z","start_waiting":"2021-10-04T11:50:46.940034Z","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":111015,"name":"Sunday GO 15","director":{"id":1393499,"username":"Imtiyaz","country":"th","icon":"https://user-uploads.online-go.com/56a672954f96d68180eb8444196aec12-64.png","ratings":{"version":5,"overall":{"rating":1033.3159040216926,"deviation":64.37615916895315,"volatility":0.06003245003586803}},"ranking":15.675558851695177,"professional":false,"ui_class":""},"description":"fun fun","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":191,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":300,"period_time":180,"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":112,"icon":"https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png"},"auto_start_on_max":false,"time_start":"2023-12-31T09:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-12-31T09:00:05.249287Z","ended":"2023-12-31T09:17:51.545800Z","start_waiting":"2023-12-31T09:00:05.200421Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png","player_count":3,"ranked":true},{"id":138219,"name":"Correspondence 9x9 RoundRobin 2026-03-13 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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260622T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-06-22T19:00:16.168051Z","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":"2026-06-25T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"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":"2026-03-13T19:00:10.472309Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-03-13T19:00:11.172513Z","ended":"2026-05-15T12:03:25.496737Z","start_waiting":"2026-03-13T19:00:10.813241Z","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":120103,"name":"Tianyuan Main 2018 Title Match - Board 3","director":{"id":40318,"username":"gamesorry","country":"cn","icon":"https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2012.1989122636944,"deviation":66.87157068355577,"volatility":0.06015938835110416}},"ranking":31.103995683001028,"professional":false,"ui_class":"supporter"},"description":"\n\nTitle Holder:\nSadaharu [Tianyuan] x1+2\n\n\n\nTitle Tournament: Tianyuan Main Title Tournament 2018\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"chinese","time_per_move":91187,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":515,"name":"OGS Title Tournaments","summary":"Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":2987,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2024-12-09T09:17:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2024-12-09T09:17:11.654718Z","ended":"2025-04-17T03:38:47.524029Z","start_waiting":"2024-12-09T09:17:11.603889Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":2,"ranked":true}]}