{"count":60022,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-max_ranking&page=5464","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-max_ranking&page=5462","results":[{"id":76088,"name":"#20 Sunday Correspondence","director":{"id":877742,"username":"Ennogo","country":"de","icon":"https://secure.gravatar.com/avatar/a5628968f0dac4d55e2a4e48f34c61f1?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1654.612632072511,"deviation":64.69338769397763,"volatility":0.06003459918663114}},"ranking":26.57443917981066,"professional":false,"ui_class":"supporter"},"description":"Open for members and friends","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":2214,"name":"Dogs fun","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":11,"icon":"https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-64.png"},"auto_start_on_max":false,"time_start":"2021-06-11T16:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":20,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2021-06-11T16:00:22.689152Z","ended":"2022-07-27T20:39:53.858607Z","start_waiting":"2021-06-11T16:00:22.423973Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/cabe872fc4d0083bc32905811a4b62e8-15.png","player_count":10,"ranked":true},{"id":107829,"name":"It's a journey. Let's get stronger! #3","director":{"id":1186160,"username":"hanzpk","country":"id","icon":"https://secure.gravatar.com/avatar/9245cc93e872b1d6469e9924bdfc1000?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1102.9649072519687,"deviation":67.40239792923522,"volatility":0.05998421448287748}},"ranking":17.18560947090137,"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\n\nHAPPY","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":74,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2023-10-15T04:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"random","min_ranking":10,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2023-10-15T04:00:37.437806Z","ended":"2025-02-18T22:55:32.980315Z","start_waiting":"2023-10-15T04:00:35.453006Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":39,"ranked":true},{"id":124493,"name":"Golden Lemon Cup - Kyu Tournament 2025","director":{"id":1212052,"username":"Outworlder","country":"_NATO","icon":"https://user-uploads.online-go.com/84cf0c406a41d56c51df2f5052044a61-64.png","ratings":{"version":5,"overall":{"rating":1508.7388348660195,"deviation":63.071418781341606,"volatility":0.059977255436065656}},"ranking":24.437860185810095,"professional":false,"ui_class":"supporter"},"description":"Welcome to the Golden Lemon Cup, a friendly and inclusive correspondence tournament for Kyu players hosted on OGS. This event is designed to bring together Go enthusiasts of all levels, from 25 Kyu to 1 Kyu, in a relaxed yet competitive setting.\n\nThe tournament aims to foster community and provide an enjoyable experience for everyone, whether you're playing to improve your skills, meet fellow Go players, or simply enjoy the timeless challenge of the game. With the McMahon format and no handicaps, players will face evenly-matched opponents in thoughtful, strategic games on the 19x19 board.\n\nWe hope this humble event offers a space to grow, learn, and share your love for Go. Thank you for joining us—may your stones find their perfect place!","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","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":14970,"name":"Golden Lemon Cup","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":13,"icon":"https://user-uploads.online-go.com/35b380c4e57d9aed71a88bfbf4f68b13-64.png"},"auto_start_on_max":false,"time_start":"2025-01-26T13:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2025-01-26T13:00:25.529961Z","ended":null,"start_waiting":"2025-01-26T13:00:22.411082Z","board_size":19,"active_round":3,"icon":"https://user-uploads.online-go.com/35b380c4e57d9aed71a88bfbf4f68b13-15.png","player_count":94,"ranked":true},{"id":94127,"name":"9x9 Mini League 1k-9k #40","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1293.2851288159748,"deviation":70.63474169097069,"volatility":0.06022023803937533}},"ranking":20.870711401335065,"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":708,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2022-09-11T20:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2022-09-08T09:12:11.938387Z","ended":"2022-09-26T21:48:10.837175Z","start_waiting":"2022-09-08T09:12:11.761715Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":461,"name":"ealdent's tournament of boredom erasing","director":{"id":5955,"username":"ealdent","country":"us","icon":"https://secure.gravatar.com/avatar/90f5b80848b9b787569de9863c7ca32a?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1472.0325606226759,"deviation":65.1586536598795,"volatility":0.05991657819627239}},"ranking":23.867676771604184,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":604800,"time_control_parameters":{"time_control":"simple","per_move":604800},"is_open":true,"exclude_provisional":true,"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":385,"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":0,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2008-06-21T09:12:25Z","ended":"2008-06-21T07:12:25Z","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},{"id":20389,"name":"Intermediate Go Tournament 9 by 9","director":{"id":143000,"username":"Clueless","country":"kr","icon":"https://secure.gravatar.com/avatar/c49d49b879adc6bf5a961d828791c669?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2459.673716555804,"deviation":256.2526459669245,"volatility":0.060012148066131706}},"ranking":35.75252946410303,"professional":false,"ui_class":"provisional"},"description":"Anyone is welcome","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":88320,"time_control_parameters":{"time_control":"fischer","initial_time":172800,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":588,"name":"Intermediate Go","summary":"for players ready for advanced go","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":11,"icon":"https://user-uploads.online-go.com/35a98fe2f49543d1a9149d837f3ffad9-64.png"},"auto_start_on_max":true,"time_start":"2016-09-16T03:10:00Z","players_start":5,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2016-09-16T03:10:45.427777Z","ended":"2016-10-27T01:48:19.459493Z","start_waiting":"2016-09-16T03:10:44.800455Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/35a98fe2f49543d1a9149d837f3ffad9-15.png","player_count":8,"ranked":true},{"id":108453,"name":"9x9 Mini League 1k-9k #90","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1293.2851288159748,"deviation":70.63474169097069,"volatility":0.06022023803937533}},"ranking":20.870711401335065,"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":"2023-10-22T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2023-10-18T13:48:50.872870Z","ended":"2023-11-13T23:52:47.016834Z","start_waiting":"2023-10-18T13:48:50.706610Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":769,"name":"help you get rating 10","director":{"id":20502,"username":"nobush","country":"cn","icon":"https://user-uploads.online-go.com/d0c558f672e167a609363bda95da4150-64.png","ratings":{"version":5,"overall":{"rating":1388.0609864369926,"deviation":63.925759174857106,"volatility":0.060671558109881424}},"ranking":22.507930487275832,"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":"simple","per_move":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":385,"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":0,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2009-09-20T12:54:37Z","ended":"2009-09-20T10:54:37Z","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":119606,"name":"Servus Oida Open Tournament #4","director":{"id":1285178,"username":"VikingKoala","country":"eu","icon":"https://user-uploads.online-go.com/aa9209bd96e427a6ff7e102b893f9af0-64.png","ratings":{"version":5,"overall":{"rating":1065.7314765063757,"deviation":65.89681054677976,"volatility":0.05970339137527326}},"ranking":16.390626242217657,"professional":false,"ui_class":"supporter"},"description":"McMahon Kyu Player Tournament\n\nServus Oida Open Tournament #5: https://online-go.com/tournament/120234","schedule":null,"title":null,"tournament_type":"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":5720,"name":"Outside Go7","summary":"Die Gruppe für alle, die sonst im Go7 spielen.","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":48,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2024-10-16T17:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":15,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2024-10-16T17:00:43.807005Z","ended":"2025-02-27T01:05:49.278654Z","start_waiting":"2024-10-16T17:00:43.565934Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":12,"ranked":true},{"id":127045,"name":"I Like Cleaning","director":{"id":1710368,"username":"deleted-a78034f6-e072-4e22-87db-12535f220c5a","country":"zz","icon":"https://user-uploads.online-go.com/e5710f3e15ec7bbbbde357b719923759-64.png","ratings":{"version":5,"overall":{"rating":630.8918800007385,"deviation":77.00241085670349,"volatility":0.059993781373019056}},"ranking":5,"professional":false,"ui_class":""},"description":"Do you know the joy of cleaning? Then try it. Cleaning gives a clean and tidy image. If you are a man, if you are a woman, if you are a human being, let's make cleaning a daily life. Maybe you can be the perfect person...","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":15124,"name":"RaISon","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":0,"icon":"https://user-uploads.online-go.com/39422815f4cdce7aa9951cc2892925b5-64.png"},"auto_start_on_max":true,"time_start":"2025-04-10T01:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":12,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-02T18:19:16.666393Z","ended":null,"start_waiting":"2025-04-02T18:19:15.621313Z","board_size":19,"active_round":3,"icon":"https://user-uploads.online-go.com/39422815f4cdce7aa9951cc2892925b5-15.png","player_count":10,"ranked":true}]}