{"count":59697,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=4231","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=4229","results":[{"id":136510,"name":"Correspondence 13x13 RoundRobin 2026-01-20 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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260519T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-05-19T19:00:16.407706Z","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":"2026-05-22T19:00:00Z","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":"2026-01-20T19:00:21.651737Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-01-20T19:01:04.154517Z","ended":"2026-04-23T09:36:57.973896Z","start_waiting":"2026-01-20T19:01:03.722890Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true},{"id":112271,"name":"Welcome April tournament 1","director":{"id":1374105,"username":"sitisan.e","country":"th","icon":"https://secure.gravatar.com/avatar/774040cf71da5944a8daf49c9e155efb?s=64&d=retro","ratings":{"version":5,"overall":{"rating":789.7653004936407,"deviation":64.97053073428337,"volatility":0.05998769851458218}},"ranking":9.453014299800758,"professional":false,"ui_class":""},"description":"Fun very much please join the tournament and sunday go and more group","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":111,"icon":"https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-64.png"},"auto_start_on_max":false,"time_start":"2024-04-01T07:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-04-01T07:00:02.291426Z","ended":"2024-04-01T07:20:54.744924Z","start_waiting":"2024-04-01T07:00:02.134179Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e9f20c25fe1d95f705ad61dc0bd03a5d-15.png","player_count":14,"ranked":true},{"id":139996,"name":"Correspondence 19x19 RoundRobin 2026-05-07 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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260518T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-05-18T19:00:12.791370Z","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":"2026-05-21T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"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":"2026-05-07T19:00:49.327583Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-07T19:01:49.589658Z","ended":null,"start_waiting":"2026-05-07T19:01:49.225911Z","board_size":19,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":114434,"name":"Handicap Arena 2024 - 030","director":{"id":2408,"username":"richyfourtytwo","country":"de","icon":"https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png","ratings":{"version":5,"overall":{"rating":1554.9932038219886,"deviation":65.56454183736781,"volatility":0.05973587464711485}},"ranking":25.136922632754516,"professional":false,"ui_class":""},"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":"2024-04-04T10:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-04-03T18:16:07.536412Z","ended":"2024-06-01T12:29:08.511171Z","start_waiting":"2024-04-03T18:16:07.320933Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":5,"ranked":true},{"id":99506,"name":"친선토너먼트","director":{"id":1041535,"username":"Purple Tiger","country":"kr","icon":"https://user-uploads.online-go.com/f19493f1894683e17e9db4e89d2f1bb7-64.png","ratings":{"version":5,"overall":{"rating":1667.0106006530566,"deviation":96.221893390847,"volatility":0.05999711080532314}},"ranking":26.747254869844948,"professional":false,"ui_class":""},"description":"친선토너먼트","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":7,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"live","pause_on_weekends":false,"total_time":900},"is_open":true,"exclude_provisional":true,"group":{"id":6774,"name":"😀Korea Go한국바둑😀","summary":"많이 가입해주세요. 한국분 환영","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":227,"icon":"https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-64.png"},"auto_start_on_max":false,"time_start":"2023-01-29T19:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2024-05-30T21:21:54.009238Z","ended":"2024-06-02T10:17:57.012524Z","start_waiting":"2024-05-30T21:21:53.898929Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/c8cb234ed8cd8edf50f2d51d95670d5b-15.png","player_count":4,"ranked":true},{"id":114438,"name":"9x9 Mini League 5k-15k #77","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1278.7730241658764,"deviation":68.28484052682846,"volatility":0.06021181390134773}},"ranking":20.609474082632065,"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":698,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2024-04-14T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":15,"max_ranking":25,"analysis_enabled":true,"exclusivity":"open","started":"2024-04-11T06:47:34.689312Z","ended":"2024-04-18T14:09:50.798259Z","start_waiting":"2024-04-11T06:47:34.531242Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":114250,"name":"California spangled Cat tournament #9","director":{"id":1518938,"username":"KittyWise","country":"us","icon":"https://user-uploads.online-go.com/dfb96e8660fdc662a5bd238eef23578c-64.png","ratings":{"version":5,"overall":{"rating":1500,"deviation":350,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"Let's playing around now","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":24648,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":21600,"initial_time":86400,"max_time":129600},"is_open":true,"exclude_provisional":false,"group":{"id":14076,"name":"KittyWise","summary":"----------------------------------------------------------------------------------------------------------------------","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":59,"icon":"https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png"},"auto_start_on_max":false,"time_start":"2024-03-28T08:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2024-03-28T08:00:01.104150Z","ended":"2024-04-13T16:49:12.942851Z","start_waiting":"2024-03-28T08:00:00.997027Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png","player_count":4,"ranked":true},{"id":41142,"name":"Great DIY-Crown Tournement","director":{"id":371957,"username":"Hendrik3.14","country":"eu","icon":"https://user-uploads.online-go.com/cbe9a889907738d301eae59f5299dbc5-64.png","ratings":{"version":5,"overall":{"rating":1384.5963916825547,"deviation":62.3522661559184,"volatility":0.059867001168741565}},"ranking":22.45007594603877,"professional":false,"ui_class":""},"description":"---------------------------------------------------------\n\n~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~\n\n---------------------------------------------------------\n\n\n               a very special anouncement of the great\n\n                >_____>/  LEAGUE OF LEECHES  \\<_____<\n\nLast tourney was over. Here be the next.\n\nPrice is this paper crown:\nhttps://www.wikihow.com/Make-a-Crown\n\nYou can also draw slugs and leeches on it.\n\nOr write: \"I won a Go Tournament and all I got was this\npaper crown\" on it.\n\nYou may invite some more People, that share the\nquestionable interests of our Group.\n\nhf\n\nHendrik3.14 - League of Leeches Grand Mufti\n\n\n---------------------------------------------------------\n~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~\n\n---------------------------------------------------------","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":259200,"time_control_parameters":{"time_control":"simple","speed":"correspondence","system":"simple","pause_on_weekends":true,"per_move":259200},"is_open":true,"exclude_provisional":true,"group":{"id":1918,"name":"League of Leeches🐌🐍","summary":"https://online-go.com/game/9051373","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-64.png"},"auto_start_on_max":false,"time_start":"2018-10-01T19:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2018-10-01T19:00:27.108390Z","ended":"2018-12-18T12:05:40.689405Z","start_waiting":"2018-10-01T19:00:26.304573Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-15.png","player_count":4,"ranked":true},{"id":114403,"name":"Correspondence 13x13 RoundRobin 2024-03-31 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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260519T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-05-19T19:00:16.407706Z","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":"2026-05-22T19:00:00Z","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":"2024-03-31T19:00:02.213600Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2024-03-31T19:01:02.209509Z","ended":"2024-04-19T16:21:12.456194Z","start_waiting":"2024-03-31T19:01:02.042884Z","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":114439,"name":"9x9 Mini League 10k-25k #226","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1278.7730241658764,"deviation":68.28484052682846,"volatility":0.06021181390134773}},"ranking":20.609474082632065,"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":"2024-04-07T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2024-04-07T19:00:03.984019Z","ended":"2024-04-26T06:25:04.265994Z","start_waiting":"2024-04-07T19:00:03.758977Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true}]}