{"count":59236,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-max_ranking&page=5316","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-max_ranking&page=5314","results":[{"id":95255,"name":"9x9 Mini League 1k-9k #43","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1327.8708798787889,"deviation":68.43655838023334,"volatility":0.06019975291368844}},"ranking":21.481668250404397,"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","pause_on_weekends":false,"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":696,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2022-10-16T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2022-10-11T14:32:11.283765Z","ended":"2022-12-01T14:46:36.980371Z","start_waiting":"2022-10-11T14:32:11.108871Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":114198,"name":"9x9 Mini League 1k-9k #112","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1327.8708798787889,"deviation":68.43655838023334,"volatility":0.06019975291368844}},"ranking":21.481668250404397,"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":696,"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":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2024-04-09T13:57:34.932754Z","ended":"2024-05-05T17:10:41.362026Z","start_waiting":"2024-04-09T13:57:34.756576Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":105506,"name":"It's a journey. Let's get stronger! #2","director":{"id":1186160,"username":"hanzpk","country":"id","icon":"https://secure.gravatar.com/avatar/9245cc93e872b1d6469e9924bdfc1000?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1120.7408768150785,"deviation":66.50082394450412,"volatility":0.05998757617084378}},"ranking":17.555732590727857,"professional":false,"ui_class":""},"description":"Gather your strength then lash out!","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"chinese","time_per_move":89819,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":432000,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":12619,"name":"Happy Go!!!","summary":"Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday & Monday\n\nSimul McMahon tournaments first day of every month\n\nsdk and ddk on 1st of every tw","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":70,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2023-08-15T04:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"random","min_ranking":10,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2023-08-15T04:00:57.079653Z","ended":"2025-02-19T20:01:04.649923Z","start_waiting":"2023-08-15T04:00:55.733515Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":33,"ranked":true},{"id":114139,"name":"California spangled Cat tournament #7","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":true,"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":60,"icon":"https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png"},"auto_start_on_max":false,"time_start":"2024-03-26T03:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2024-03-26T03:00:00.855001Z","ended":"2024-04-04T10:19:57.090560Z","start_waiting":"2024-03-26T03:00:00.783221Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png","player_count":3,"ranked":true},{"id":98616,"name":"9x9 Mini League 1k-9k #55","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1327.8708798787889,"deviation":68.43655838023334,"volatility":0.06019975291368844}},"ranking":21.481668250404397,"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","pause_on_weekends":false,"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":696,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2023-01-15T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2023-01-09T19:25:49.878921Z","ended":"2023-01-31T09:38:53.444011Z","start_waiting":"2023-01-09T19:25:49.082973Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":126130,"name":"Ava rise","director":{"id":1731815,"username":"avajones081196","country":"un","icon":"https://secure.gravatar.com/avatar/d2e3b4f862994259324abe2305ccfc4d?s=64&d=retro","ratings":{"version":5,"overall":{"rating":505.93873812037793,"deviation":122.05928016502656,"volatility":0.0600179473649041}},"ranking":5,"professional":false,"ui_class":""},"description":"Welcome to your first tournament of Ava Golden City.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":11,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"rapid","pause_on_weekends":false,"total_time":300},"is_open":true,"exclude_provisional":false,"group":{"id":15139,"name":"Ava Golden City","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":6,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-03-07T08:30:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"group","started":"2025-03-07T07:20:14.959479Z","ended":"2025-03-07T07:40:49.495962Z","start_waiting":"2025-03-07T07:20:14.912300Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":3,"ranked":true},{"id":129035,"name":"telmich's experimental tournament - random round 3","director":{"id":1524436,"username":"telmich","country":"ch","icon":"https://secure.gravatar.com/avatar/ebdfc657470c327d3dbda9a2e3de7522?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1094.8670931226209,"deviation":61.58939684024689,"volatility":0.059318490040763956}},"ranking":17.015018410839442,"professional":false,"ui_class":"supporter"},"description":"Still experimenting with the tournament settings to make the tournament most fun.\n\nThis is a simultaneous McMahon, meaning games start in parallel. It also uses random pairing in all steps so that you get to play not in slaughter mode (against the strongest/weakest), but someone you would not normally play with.\n\nThe previous tournament (https://online-go.com/tournament/128245) uses double elimination, which seems to be waiting for everyone to finish - not in this one!\n\nMore to read for those who are interested:\n\nhttps://en.wikipedia.org/wiki/McMahon_system_tournament\n\nhttps://senseis.xmp.net/?McMahonPairing","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":91187,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":604800,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":15384,"name":"Wait, don't go!","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":4,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-06-23T02:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-23T02:00:28.546292Z","ended":"2026-03-22T23:48:53.790236Z","start_waiting":"2025-06-23T02:00:27.527208Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":18,"ranked":true},{"id":113646,"name":"California spangled Cat tournament #3","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":true,"time_increment":21600,"initial_time":86400,"max_time":129600},"is_open":true,"exclude_provisional":true,"group":{"id":14076,"name":"KittyWise","summary":"----------------------------------------------------------------------------------------------------------------------","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":60,"icon":"https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-64.png"},"auto_start_on_max":false,"time_start":"2024-03-13T22:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2024-03-13T22:00:34.975895Z","ended":"2024-04-08T12:27:19.194764Z","start_waiting":"2024-03-13T22:00:34.831190Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/92416af5ddd8c38ad1a269c780ce7965-15.png","player_count":8,"ranked":true},{"id":755,"name":"coldfire08's mini-tournament","director":{"id":19449,"username":"coldfire08","country":"un","icon":"https://secure.gravatar.com/avatar/f3bedd342c746f594a4966c35c0f07b8?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1840.339613202976,"deviation":77.32198953718793,"volatility":0.05998801743815066}},"ranking":29.037210369083574,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":17,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2009-04-01T00:48:41Z","ended":"2009-03-31T22:48:41Z","start_waiting":null,"board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":961,"name":"Sophus's mini-tournament","director":{"id":27008,"username":"Sophus","country":"un","icon":"https://secure.gravatar.com/avatar/db83c1d08861ad34ae744f6840478444?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1425.3796286267498,"deviation":85.67700224328195,"volatility":0.05999938108724934}},"ranking":23.122108895862265,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":9,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2010-01-12T02:57:28Z","ended":"2010-01-12T01:57:28Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true}]}