{"count":61452,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-ended&page=45","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-ended&page=43","results":[{"id":139629,"name":"13x13 Open D.E. Cup #96","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1334.8205920724174,"deviation":69.37429725778678,"volatility":0.06032983788916041}},"ranking":21.602513045463404,"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":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":false,"group":{"id":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":90,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-05-10T20:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-09T00:44:09.544803Z","ended":null,"start_waiting":"2026-05-09T00:44:09.460625Z","board_size":13,"active_round":4,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":140471,"name":"19x19 Open D.E. Cup #176","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1334.8205920724174,"deviation":69.37429725778678,"volatility":0.06032983788916041}},"ranking":21.602513045463404,"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":90,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-05-31T21:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-27T03:55:05.371016Z","ended":null,"start_waiting":"2026-05-27T03:55:05.302173Z","board_size":19,"active_round":4,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":141233,"name":"yuyh 19x19 rtjr ycttyui","director":{"id":1821698,"username":"s578gz589","country":"un","icon":"https://secure.gravatar.com/avatar/b661377ce4167f78278c7a199986ca37?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1085.1226598564156,"deviation":64.04793222094044,"volatility":0.06010068397427415}},"ranking":16.80805860083138,"professional":false,"ui_class":""},"description":"19x19","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":263987,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":259200,"initial_time":604800,"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":"2026-06-21T04:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-06-21T04:00:19.811740Z","ended":null,"start_waiting":"2026-06-21T04:00:19.730925Z","board_size":19,"active_round":2,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":8,"ranked":true},{"id":116720,"name":"亞運圍棋世界大賽（網上）","director":{"id":1497408,"username":"Ming Ming","country":"hk","icon":"https://user-uploads.online-go.com/0426093c662dcbaa2ed6ee379367fc28-64.png","ratings":{"version":5,"overall":{"rating":808.4796202275077,"deviation":101.59414880347964,"volatility":0.06002207719886031}},"ranking":9.995179393337779,"professional":false,"ui_class":""},"description":"第一個網上亞運！","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":91187,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":604800,"max_time":2419200},"is_open":true,"exclude_provisional":false,"group":{"id":13697,"name":"𝓞𝓷𝓵𝓲𝓷𝓮 𝓖𝓸 𝓣𝓸𝓾𝓻𝓷𝓪𝓶𝓮𝓷𝓽","summary":"Dear members: Thank you for your support! Our guild needs the help of more people to make the guild prosper. I hope everyone can contribute, join the guild, and recommend your friends to this big family.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":131,"icon":"https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-64.png"},"auto_start_on_max":false,"time_start":"2025-02-27T19:15:00Z","players_start":100,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2025-02-23T10:06:30.852534Z","ended":null,"start_waiting":"2025-02-23T10:06:30.491538Z","board_size":19,"active_round":4,"icon":"https://user-uploads.online-go.com/0d6ac99b94f3598fc46abd7588a3f568-15.png","player_count":25,"ranked":true},{"id":140999,"name":"HAPPY GO #151 Double Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png","ratings":{"version":5,"overall":{"rating":1906.4106007455605,"deviation":72.35767416251798,"volatility":0.05979961805032135}},"ranking":29.853759030663117,"professional":false,"ui_class":""},"description":"Hi everyone, welcome and have FUN!\n\nDouble elimination tournament every Sunday.\n\nPlease contact nobhaete directly if you have any questions.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"chinese","time_per_move":43884,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":86400,"max_time":172800},"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":82,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2026-06-14T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":34,"analysis_enabled":true,"exclusivity":"open","started":"2026-06-14T04:00:19.390901Z","ended":null,"start_waiting":"2026-06-14T04:00:19.212358Z","board_size":19,"active_round":3,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":25,"ranked":true},{"id":145381,"name":"Correspondence Weekly McMahon 19x19 2026-10-24 17:00","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 Site-wide Tournament","schedule":{"id":9,"name":"Correspondence Weekly McMahon 19x19","rrule":"DTSTART:20261019T170000Z\nRRULE:FREQ=WEEKLY","active":true,"created":"2015-12-16T02:22:56.480465Z","last_run":"2026-10-19T17:00:05.690344Z","lead_time_seconds":432000,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","size":19,"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":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":3,"upper_bar":"25","lower_bar":"15","group_size":4,"maximum_players":1000},"next_run":"2026-10-26T17:00:00Z","base_points":"30.0"},"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":88451,"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":"2026-10-24T17:00:05.651413Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-10-24T17:00:43.863991Z","ended":null,"start_waiting":"2026-10-24T17:00:42.661329Z","board_size":19,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":32,"ranked":true},{"id":140330,"name":"19x19 Brasil Open - DDK -> SDK - 2026.06","director":{"id":1023050,"username":"allan-silva","country":"br","icon":"https://user-uploads.online-go.com/fe8e1d6e531935742531e8a434de2723-64.png","ratings":{"version":5,"overall":{"rating":1161.7926241304651,"deviation":64.90393689400116,"volatility":0.05990890959674322}},"ranking":18.388535647808865,"professional":false,"ui_class":""},"description":"19x19 Brasil Open - Handicap - 2026.05\n\nBrasil Open é um torneio criado por um jogador brasileiro e aberto para qualquer pessoa.\n\nDDK -> SDK é um torneio para pessoas com ranking parecido, tentando evoluir para SDK.\n\n__\n\nBrasil Open is a tournament created by a Brazilian player and is open to everyone around the world.\n\nDDK -> SDK is a tournament for players with similar ranks who are trying to advance to SDK.","schedule":null,"title":null,"tournament_type":"elimination","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":604800},"is_open":true,"exclude_provisional":true,"group":{"id":16436,"name":"BR Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":7,"icon":"https://user-uploads.online-go.com/684691fc56f7b159a5119a8e17398dab-64.png"},"auto_start_on_max":true,"time_start":"2026-06-30T12:00:00Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":18,"max_ranking":22,"analysis_enabled":false,"exclusivity":"open","started":"2026-06-30T12:00:17.430191Z","ended":null,"start_waiting":"2026-06-30T12:00:17.229661Z","board_size":19,"active_round":2,"icon":"https://user-uploads.online-go.com/684691fc56f7b159a5119a8e17398dab-15.png","player_count":13,"ranked":true},{"id":142868,"name":"Correspondence 19x19 RoundRobin 2026-08-05 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 Site-wide Tournament","schedule":{"id":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20261024T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-10-24T19:00:43.503090Z","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":"2026-10-27T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2026-08-05T19:00:16.926070Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-08-05T19:01:17.109140Z","ended":null,"start_waiting":"2026-08-05T19:01:16.686837Z","board_size":19,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":139686,"name":"Meijin Main 2019 Title Match - Board 1","director":{"id":40318,"username":"gamesorry","country":"cn","icon":"https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2028.163288507987,"deviation":69.55143295202669,"volatility":0.06014624192925142}},"ranking":31.286938307943824,"professional":false,"ui_class":"supporter"},"description":"\n\nTitle Holder: \nSadaharu [Meijin] x1+1\n\n\n\n\nTitle Tournament: Meijin Main Title Tournament 2019\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":91187,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":515,"name":"OGS Title Tournaments","summary":"Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":3025,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2026-05-24T05:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2026-05-24T05:00:16.379770Z","ended":null,"start_waiting":"2026-05-24T05:00:16.315886Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":2,"ranked":true},{"id":140548,"name":"Lava @ ～沐火～","director":{"id":1546177,"username":"三月秋","country":"hk","icon":"https://user-uploads.online-go.com/eb60ca24bb0cf621746c2a5c69baab5f-64.png","ratings":{"version":5,"overall":{"rating":1189.192013852536,"deviation":70.69405037405681,"volatility":0.0602590385118705}},"ranking":18.92816026471879,"professional":false,"ui_class":""},"description":"A long tour ent","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":614373,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":604800,"initial_time":1209600,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":14201,"name":"～沐火～","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":20,"icon":"https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-64.png"},"auto_start_on_max":false,"time_start":"2026-07-01T09:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-07-01T09:00:17.505517Z","ended":null,"start_waiting":"2026-07-01T09:00:17.364706Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png","player_count":12,"ranked":true}]}