{"count":59976,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=5156","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-subsequent_pairing_method&page=5154","results":[{"id":74431,"name":"26/4 比賽 C","director":{"id":882228,"username":"傳碁學園-學校","country":"un","icon":"https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png","ratings":{"version":5,"overall":{"rating":2016.3242760584894,"deviation":321.66454188869955,"volatility":0.06000670794039896}},"ranking":31.15140869306353,"professional":false,"ui_class":"provisional"},"description":"26/4 比賽 C","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":300,"period_time":10,"periods":1},"is_open":true,"exclude_provisional":false,"group":{"id":7434,"name":"石鐘山圍棋課","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":21,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2021-04-26T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2021-04-26T07:18:25.501389Z","ended":"2021-04-26T07:32:10.948063Z","start_waiting":"2021-04-26T07:18:25.404057Z","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":72606,"name":"Sunday tournament","director":{"id":56637,"username":"milanm","country":"un","icon":"https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png","ratings":{"version":5,"overall":{"rating":1656.1756921796948,"deviation":66.05462371672456,"volatility":0.059914121611390536}},"ranking":26.596297928015524,"professional":false,"ui_class":"aga"},"description":"weekly 9x9 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":120},"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":"2021-03-14T17:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2021-03-14T17:00:38.283957Z","ended":"2021-03-14T18:03:59.993010Z","start_waiting":"2021-03-14T17:00:37.565539Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png","player_count":9,"ranked":true},{"id":122356,"name":"13x13 New Zealand 15k-1k League #8","director":{"id":178104,"username":"dexonsmith","country":"ca","icon":"https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png","ratings":{"version":5,"overall":{"rating":1390.7732166446785,"deviation":67.55416504748428,"volatility":0.06064009346038413}},"ranking":22.55312076827671,"professional":false,"ui_class":"supporter"},"description":"15k-1k. 5 players. Starts only when full.\n\nNew Zealand rules. 13x13 board. Even games. Round robin.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"nz","time_per_move":90782,"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":14024,"name":"New Zealand Ladders","summary":"Group for ladders and tournaments that use New Zealand rules.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":79,"icon":"https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"},"auto_start_on_max":true,"time_start":"2024-12-24T04:14:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":15,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2024-12-10T06:51:04.274993Z","ended":"2025-02-22T11:35:54.890159Z","start_waiting":"2024-12-10T06:51:04.014180Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png","player_count":5,"ranked":true},{"id":124775,"name":"Handicap tournament 31 01 2025","director":{"id":380817,"username":"look info döskee","country":"zz","icon":"https://user-uploads.online-go.com/9b2153c750a7384cdad630699b7e138d-64.png","ratings":{"version":5,"overall":{"rating":1001.1282744304297,"deviation":68.63680878166396,"volatility":0.058646562422007574}},"ranking":14.942969758566955,"professional":false,"ui_class":""},"description":"Chinese rules","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":-1,"rules":"chinese","time_per_move":261251,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":259200,"period_time":259200,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":3,"name":"OGS","summary":"An open group for folks' who like OGS!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1788,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"},"auto_start_on_max":false,"time_start":"2025-01-31T10:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":14,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-01-31T10:00:24.176057Z","ended":"2025-11-10T21:03:17.883972Z","start_waiting":"2025-01-31T10:00:24.020541Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png","player_count":5,"ranked":true},{"id":56953,"name":"Correspondence 13x13 RoundRobin 2020-02-27 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 Sitewide Tournament","schedule":{"id":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260618T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-06-18T19:00:19.925534Z","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":"2026-06-21T19:00:00Z","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":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-02-27T19:00:27.604161Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2020-02-27T19:01:26.166544Z","ended":"2020-03-27T06:44:22.891557Z","start_waiting":"2020-02-27T19:01:23.845593Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":7,"ranked":true},{"id":60120,"name":"qwertyuiop","director":{"id":739180,"username":"leoinbk","country":"us","icon":"https://secure.gravatar.com/avatar/5c8e72b6e3421ca0d63579a5a1630ef5?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1144.0057227017662,"deviation":62.47542977360111,"volatility":0.060014750452260436}},"ranking":18.031370905792297,"professional":false,"ui_class":""},"description":"qwertyuiop","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":600,"period_time":30,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":4796,"name":"The 10 dan pro","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2020-05-05T20:00:00Z","players_start":0,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-05-05T20:00:39.643585Z","ended":"2020-05-05T20:00:40.006919Z","start_waiting":"2020-05-05T20:00:39.574739Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":1,"ranked":true},{"id":57871,"name":"Fast Correspondence SDK 2020-03-31","director":{"id":784,"username":"mlopezviedma","country":"ar","icon":"https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png","ratings":{"version":5,"overall":{"rating":1523.6905157613091,"deviation":61.871308506532216,"volatility":0.059736468741597874}},"ranking":24.66614858276941,"professional":false,"ui_class":"supporter moderator"},"description":"Please, avoid delaying your games using the vacation feature.\n\nAnalysis is enabled mainly to allow the use of conditional moves.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":30720,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":28800,"initial_time":172800,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":508,"name":"Fast Correspondence","summary":"Tournaments for people who like to play quick correspondence games.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":827,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"},"auto_start_on_max":false,"time_start":"2020-03-31T00:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2020-03-31T00:00:26.532904Z","ended":"2020-05-21T12:47:07.150215Z","start_waiting":"2020-03-31T00:00:23.259338Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":10,"ranked":true},{"id":124790,"name":"9x9 Mini League 10k-25k #279","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1341.4139956380138,"deviation":70.67033890820467,"volatility":0.06020932590654408}},"ranking":21.71658197056371,"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":708,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2025-02-02T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-02-01T16:32:04.127620Z","ended":"2025-03-13T21:33:08.671092Z","start_waiting":"2025-02-01T16:32:03.986691Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":19187,"name":"Correspondence 19x19 RoundRobin 2016-07-22 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:20260617T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-06-17T19:00:19.455985Z","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":"2026-06-20T19:00:00Z","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":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2016-07-22T01:00:20.442217Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-07-22T01:00:41.886370Z","ended":"2017-01-13T17:20:43.335359Z","start_waiting":"2016-07-22T01:00:40.926451Z","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":37899,"name":"The Trowel v The Bun Game 2","director":{"id":512334,"username":"danielml01","country":"us","icon":"https://user-uploads.online-go.com/4d5da62e5cdaf4e31b1d5decf55b3b25-64.png","ratings":{"version":5,"overall":{"rating":1713.8117689281312,"deviation":61.172552113204866,"volatility":0.05989993727048056}},"ranking":27.388232799408513,"professional":false,"ui_class":"supporter"},"description":"The Trowel v The Bun Game 2","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":50,"time_control_parameters":{"period_time":30,"main_time":1800,"system":"byoyomi","pause_on_weekends":false,"time_control":"byoyomi","periods":5,"speed":"live"},"is_open":true,"exclude_provisional":true,"group":{"id":2509,"name":"Kyu Clash","summary":"Where Kyu Level Go Streamers Face Off! https://twitch.tv/kyuclash","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":16,"icon":"https://user-uploads.online-go.com/95f3017ea43d7e8447f403c39f0a9508-64.png"},"auto_start_on_max":false,"time_start":"2018-06-05T18:30:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"invite","started":"2018-06-05T18:30:13.559120Z","ended":"2018-06-05T18:58:27.151474Z","start_waiting":"2018-06-05T18:30:13.335730Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/95f3017ea43d7e8447f403c39f0a9508-15.png","player_count":2,"ranked":true}]}