{"count":59382,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=4714","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=4712","results":[{"id":100010,"name":"Correspondence 9x9 RoundRobin 2023-02-12 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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260417T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-17T19:00:56.701536Z","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":"2026-04-20T19:00:00Z","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":"2023-02-12T19:00:20.675990Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-12T19:00:21.495261Z","ended":"2023-03-24T19:27:34.771668Z","start_waiting":"2023-02-12T19:00:20.749628Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":117485,"name":"19x19 Correspondence Double Elimination","director":{"id":921893,"username":"nikila","country":"un","icon":"https://secure.gravatar.com/avatar/052ccd566373074bd5d5bdc87778f37b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1601.2919263122153,"deviation":66.52017130138233,"volatility":0.06017707086875492}},"ranking":25.816133962678784,"professional":false,"ui_class":""},"description":"19x19 correspondence double elimination","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"chinese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":14384,"name":"nikila","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":5,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2024-06-28T10:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-06-28T10:00:15.966551Z","ended":"2024-12-19T01:10:02.321165Z","start_waiting":"2024-06-28T10:00:15.877424Z","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":105435,"name":"1 -> 黃穎兒Silvia 2 -> 陳灝","director":{"id":818416,"username":"傳碁學園","country":"un","icon":"https://user-uploads.online-go.com/225f58a6cdd437bb701ba1af0dd7678f-64.png","ratings":{"version":5,"overall":{"rating":1898.3468207617877,"deviation":71.28817954667363,"volatility":0.06041644550084839}},"ranking":29.755630942351214,"professional":false,"ui_class":""},"description":"1 -> 黃穎兒Silvia\n2 -> 陳灝","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"chinese","time_per_move":32,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":1500,"period_time":20,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":7531,"name":"傳碁 C班","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":87,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2023-07-16T08:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2023-07-16T07:47:03.789067Z","ended":"2023-07-16T08:31:28.919727Z","start_waiting":"2023-07-16T07:47:03.732479Z","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":130672,"name":"The 2025 Go World Cup Qualify games","director":{"id":1818077,"username":"时光和褚嬴呀","country":"un","icon":"https://secure.gravatar.com/avatar/65467471f69c780786a014ecc51b00f8?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1281.5029489749418,"deviation":69.37727901897037,"volatility":0.06014234606192959}},"ranking":20.658842028855847,"professional":false,"ui_class":""},"description":"If you think you can beat me and get the champion then let's Go!I'll be there!!!","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"korean","time_per_move":60,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"live","pause_on_weekends":false,"per_move":60},"is_open":true,"exclude_provisional":false,"group":{"id":43,"name":"Kyu Level Study Group","summary":"A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8867,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"},"auto_start_on_max":false,"time_start":"2025-07-27T12:30:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-07-27T12:30:36.981159Z","ended":"2025-07-27T12:35:49.617589Z","start_waiting":"2025-07-27T12:30:36.904044Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png","player_count":2,"ranked":true},{"id":134107,"name":"Bリーグ（8k-3k）","director":{"id":874208,"username":"FUKO.S","country":"jp","icon":"https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png","ratings":{"version":5,"overall":{"rating":2208.151542128061,"deviation":68.94747429756583,"volatility":0.06003767154281009}},"ranking":33.25527075653788,"professional":false,"ui_class":"supporter"},"description":"リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":9573,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":false,"total_time":1209600},"is_open":true,"exclude_provisional":false,"group":{"id":7692,"name":"Yushima Go Cafe （湯島囲碁喫茶）","summary":"This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":114,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"},"auto_start_on_max":false,"time_start":"2025-11-14T10:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":22,"max_ranking":27,"analysis_enabled":true,"exclusivity":"group","started":"2025-11-14T10:00:06.481014Z","ended":"2025-11-21T09:09:47.474327Z","start_waiting":"2025-11-14T10:00:06.458815Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png","player_count":2,"ranked":true},{"id":100013,"name":"9x9 Open League #60","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1374.7751237755672,"deviation":66.77688583915469,"volatility":0.06020222911924243}},"ranking":22.28528239731174,"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":698,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2023-02-19T20:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-15T18:23:21.503392Z","ended":"2023-04-29T07:15:43.973982Z","start_waiting":"2023-02-15T18:23:20.787458Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":10,"ranked":true},{"id":99969,"name":"Correspondence 13x13 RoundRobin 2023-02-11 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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260416T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-04-16T19:00:57.227717Z","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":"2026-04-19T19:00:00Z","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":"2023-02-11T19:00:20.098646Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-11T19:00:20.646169Z","ended":"2023-05-11T10:42:34.026597Z","start_waiting":"2023-02-11T19:00:20.206812Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":9,"ranked":true},{"id":96313,"name":"19x19 Double Elimination - Jan 2023","director":{"id":987760,"username":"deleted-f41b36e6-1556-4899-a775-dc2c1cd9ebb4","country":"ca","icon":"https://user-uploads.online-go.com/ec04439eea132df85e433a87c1f8a3c0-64.png","ratings":{"version":5,"overall":{"rating":2106.117124550817,"deviation":68.03535601314194,"volatility":0.05996971658182498}},"ranking":32.16005045129194,"professional":false,"ui_class":""},"description":"Monthly double elimination tournament - open to everyone.","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","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":1843,"name":"Open Study Room","summary":"Community of go players who play long serious games in leagues, study together, set up lectures.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1804,"icon":"https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-64.png"},"auto_start_on_max":false,"time_start":"2023-01-01T22:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-01-01T22:00:54.684077Z","ended":"2025-08-15T10:55:17.536715Z","start_waiting":"2023-01-01T22:00:54.430109Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8f94a8b09b47255de25f6e050f8928b4-15.png","player_count":17,"ranked":true},{"id":100012,"name":"9x9 Mini League 10k-25k #128","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1374.7751237755672,"deviation":66.77688583915469,"volatility":0.06020222911924243}},"ranking":22.28528239731174,"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":"2023-02-19T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-16T09:48:10.585118Z","ended":"2023-03-04T13:38:12.754309Z","start_waiting":"2023-02-16T09:48:10.440690Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":132734,"name":"13x13 Mini League 5k-15k #15","director":{"id":1688153,"username":"Mittelmark","country":"de","icon":"https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png","ratings":{"version":5,"overall":{"rating":1085.853799560171,"deviation":67.3768163524415,"volatility":0.060025167068784406}},"ranking":16.823651478136373,"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":58,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-10-03T18:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":15,"max_ranking":25,"analysis_enabled":false,"exclusivity":"open","started":"2025-10-02T17:40:53.702721Z","ended":"2026-01-10T14:24:21.132106Z","start_waiting":"2025-10-02T17:40:53.496000Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":5,"ranked":true}]}