{"count":60863,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=1858","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=1856","results":[{"id":111905,"name":"New Year 2025 Tournament Hikaru no Go 19x19","director":{"id":1231889,"username":"Ivan Ivochkin","country":"ru","icon":"https://user-uploads.online-go.com/8cd917b111df97f1886cff13e9b77d21-64.png","ratings":{"version":5,"overall":{"rating":1741.1110851277322,"deviation":71.31281940657385,"volatility":0.06015750883343484}},"ranking":27.754083123546675,"professional":false,"ui_class":""},"description":"Happy new year!","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","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":11532,"name":"Tournaments (Hikaru no Go) Group™️","summary":"Welcome You can joined tournaments in this group\nยินดีต้อนรับ​คุณสามารถทัวร์​นา​เม็นในกลุ่มนี้ได้","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":65,"icon":"https://user-uploads.online-go.com/1a6da98b2a0fa744dfab936a7f3f5d43-64.png"},"auto_start_on_max":false,"time_start":"2024-12-31T21:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2024-12-31T21:00:37.235608Z","ended":null,"start_waiting":"2024-12-31T21:00:35.421668Z","board_size":19,"active_round":4,"icon":"https://user-uploads.online-go.com/1a6da98b2a0fa744dfab936a7f3f5d43-15.png","player_count":34,"ranked":true},{"id":143608,"name":"19x19","director":{"id":2092904,"username":"KataGo_AI","country":"cn","icon":"https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-64.png","ratings":{"version":5,"overall":{"rating":1852.8491086341355,"deviation":239.5797407737681,"volatility":0.05999948335635357}},"ranking":29.194037408564512,"professional":false,"ui_class":"bot provisional"},"description":"19x19","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"chinese","time_per_move":32,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"rapid","pause_on_weekends":false,"main_time":300,"period_time":30,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":16659,"name":"Go AI  For Computers","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":12,"icon":"https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-64.png"},"auto_start_on_max":true,"time_start":"2026-08-30T02:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2026-08-30T02:48:03.093990Z","ended":"2026-08-30T03:03:53.863746Z","start_waiting":"2026-08-30T02:48:03.037016Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-15.png","player_count":4,"ranked":true},{"id":141773,"name":"GO BEGINNERS 7","director":{"id":1339456,"username":"Arte13004","country":"fr","icon":"https://user-uploads.online-go.com/260c7951a5da6277ef7797205f43557d-64.png","ratings":{"version":5,"overall":{"rating":649.0745866561613,"deviation":64.63252873944336,"volatility":0.06000764813484448}},"ranking":5,"professional":false,"ui_class":""},"description":"Bonjour à tous. \nCe tournoi est réservé pour les joueurs débutants. \nLe niveau requis est 20 kyu ou moins. \nJ'espère que vous vous amusez beaucoup.\nAu vu des tournois précédents et des échanges qui ont eu lieu dans les commentaires, je me réserve le droit de changer le système MacMahon en mort subite en fonction du nombre de participants afin d'éviter que des joueurs se retrouvent avec beaucoup de parties en simultanées. \n\n\nHello everyone.\nThis tournament is for beginner players only.\nThe required skill level is 20 kyu or lower.\nI hope you have lots of fun.\nIn light of previous tournaments and the discussions in the comments, I reserve the right to switch from the MacMahon system to sudden death depending on the number of participants, in order to prevent players from having to play too many simultaneous games.","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":false,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":true,"group":{"id":95,"name":"France Go Players","summary":"Le groupe pour les joueurs français!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1320,"icon":"https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-64.png"},"auto_start_on_max":false,"time_start":"2026-08-01T16:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":10,"analysis_enabled":false,"exclusivity":"open","started":"2026-08-01T16:00:16.988586Z","ended":null,"start_waiting":"2026-08-01T16:00:16.586569Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/f860ac26e7c271a3637835570b1fc13f-15.png","player_count":8,"ranked":true},{"id":142850,"name":"Have fun","director":{"id":2003964,"username":"Cat Kid comic club","country":"vn","icon":"https://user-uploads.online-go.com/a32a5b90d9b34ea44031a76a711c44be-64.png","ratings":{"version":5,"overall":{"rating":356.2697935366614,"deviation":81.7376206540949,"volatility":0.06002765631151191}},"ranking":5,"professional":false,"ui_class":""},"description":"We will be happy if you join our group","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"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":16461,"name":"Hikaru club ","summary":"Always said: This game is very fun😁🎀❤️💖\n","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":19,"icon":"https://user-uploads.online-go.com/43a6a504331bbc946149329a65bc2399-64.png"},"auto_start_on_max":true,"time_start":"2026-08-06T07:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":21,"analysis_enabled":true,"exclusivity":"invite","started":"2026-08-06T07:00:16.788010Z","ended":null,"start_waiting":"2026-08-06T07:00:16.729247Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/43a6a504331bbc946149329a65bc2399-15.png","player_count":2,"ranked":true},{"id":142916,"name":"9x9 13x13 19x19 123 ! !  (9~9+)　19x19　1回","director":{"id":1821698,"username":"s578gz589","country":"un","icon":"https://secure.gravatar.com/avatar/b661377ce4167f78278c7a199986ca37?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1117.3137611121406,"deviation":64.57739211909418,"volatility":0.06007777971331197}},"ranking":17.484833704534058,"professional":false,"ui_class":""},"description":"9x9 13x13 19x19  \n 特別な大会\n translates to \"special tournament\" or \"special event\" in English.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":435419,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":432000,"initial_time":432000,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":16264,"name":"9x9 13x13 19x19 123 ! !","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":16,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2026-09-01T04:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":null,"ended":null,"start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":3,"ranked":true},{"id":143662,"name":"\"Crocodile Formula\" autumn race","director":{"id":1574760,"username":"Leoprogo","country":"ru","icon":"https://user-uploads.online-go.com/4b1dd7c7ebe15df1c7e238987f080a57-64.png","ratings":{"version":5,"overall":{"rating":1205.3349640450401,"deviation":61.94168698071511,"volatility":0.0600129302750412}},"ranking":19.240301211267248,"professional":false,"ui_class":""},"description":"This tournament takes place every season of the year.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":179638,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":864000,"period_time":172800,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":16677,"name":"Alligator Racer 🏎️🐊","summary":"A group for fans of crocodiles and Formula 1 racing.\nГруппа для любителей крокодилов и гонок \"Формула1\".","require_invitation":true,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":7,"icon":"https://user-uploads.online-go.com/089c149a294aa3a246ed459c1b5093f2-64.png"},"auto_start_on_max":false,"time_start":"2026-09-01T09:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":null,"ended":null,"start_waiting":null,"board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/089c149a294aa3a246ed459c1b5093f2-15.png","player_count":4,"ranked":true},{"id":142954,"name":"致敬这个世界","director":{"id":1250228,"username":"Xuan Tian","country":"my","icon":"https://secure.gravatar.com/avatar/80dc35d1767b37d01fdf02be62fa5602?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1019.3319983171625,"deviation":66.56468063374581,"volatility":0.060238703251649484}},"ranking":15.36012976608949,"professional":false,"ui_class":""},"description":"从今天起，珍惜身边的一切","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"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":16450,"name":"学生？棋手？学生棋手！","summary":"学生群聊，在此诸位可以畅所欲言，释放压力，也欢迎争论\n","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":33,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2026-08-31T11:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":null,"ended":null,"start_waiting":null,"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":142780,"name":"第16回　囲碁を楽しもう大会","director":{"id":1997867,"username":"LINNKU","country":"jp","icon":"https://user-uploads.online-go.com/149cc31ab23ee78d65e1987b29f39c5e-64.png","ratings":{"version":5,"overall":{"rating":981.2213098672103,"deviation":62.642307983186235,"volatility":0.059973177427690406}},"ranking":14.478004622848978,"professional":false,"ui_class":""},"description":"囲碁を楽しみながら勝ち抜いていきましょう。","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":12,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":10,"initial_time":300,"max_time":3600},"is_open":true,"exclude_provisional":false,"group":{"id":16264,"name":"9x9 13x13 19x19 123 ! !","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":16,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2026-08-08T05:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-08-08T05:00:17.023326Z","ended":"2026-08-08T05:36:31.008231Z","start_waiting":"2026-08-08T05:00:16.916238Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":7,"ranked":true},{"id":138217,"name":"19x19 Open D.E. Cup #164","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1436.6763223064163,"deviation":73.64403890814872,"volatility":0.06029187474891314}},"ranking":23.304858514505188,"professional":false,"ui_class":""},"description":"Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"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":false,"group":{"id":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":86,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-03-15T22:05:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-03-14T23:18:49.692397Z","ended":null,"start_waiting":"2026-03-14T23:18:49.531916Z","board_size":19,"active_round":2,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":142865,"name":"19x19 Open League #143","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1436.6763223064163,"deviation":73.64403890814872,"volatility":0.06029187474891314}},"ranking":23.304858514505188,"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/12599","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"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":false,"group":{"id":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":86,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-08-16T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-08-15T12:07:53.723962Z","ended":null,"start_waiting":"2026-08-15T12:07:53.300647Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true}]}