{"count":60172,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=4746","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=4744","results":[{"id":113503,"name":"Correspondence Weekly McMahon 19x19 2024-03-09 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:20260706T170000Z\nRRULE:FREQ=WEEKLY","active":true,"created":"2015-12-16T02:22:56.480465Z","last_run":"2026-07-06T17:00:18.211512Z","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":"2026-07-13T17:00:00Z","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":"2024-03-09T17:00:31.587713Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2024-03-09T17:00:35.102681Z","ended":"2025-04-21T11:34:53.101983Z","start_waiting":"2024-03-09T17:00:32.911105Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":23,"ranked":true},{"id":44743,"name":"For Beginners Correspondence DE 19x19 01/26/2019","director":{"id":488500,"username":"Picard","country":"un","icon":"https://secure.gravatar.com/avatar/f1c34fa096a5d8ad30ce9febb7d4870e?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1470.3231083618412,"deviation":67.06113000039035,"volatility":0.0599711398659376}},"ranking":23.840777355800686,"professional":false,"ui_class":""},"description":"IF THERE ? MARK(Provisional rank) NEAR BY YOUR USERNAME YOU HAVE TO PLAY MORE RANKED GAMES ABOUT 10(TOTAL) TO GET RANKED AND THEN IF 20K-25K YOU CAN JOIN THIS TOURNAMENT\n\nLEARN TO PLAY GO https://online-go.com/learn-to-play-go\n\nThere is documentary about go SURROUNDING GAME, ALPHA GO and anime HIKARU NO GO\n\nTO JOIN OTHER TOURNAMENTS VISIT THE GROUP PAGE https://online-go.com/group/2946\n\nThere is lots of useful links https://online-go.com/group/25, //// https://online-go.com/group/2014","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"time_control":"simple","speed":"correspondence","system":"simple","pause_on_weekends":false,"per_move":172800},"is_open":true,"exclude_provisional":true,"group":{"id":2946,"name":"Final Frontier","summary":"Welcome to Final Frontier.\n\nWe have tons of tournaments and a magnificent director-Picard.\nPlease join this frontier soon, we are closing!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":74,"icon":"https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png"},"auto_start_on_max":false,"time_start":"2019-01-26T16:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":10,"analysis_enabled":true,"exclusivity":"open","started":"2019-01-26T16:00:23.042832Z","ended":"2019-05-26T10:51:49.797979Z","start_waiting":"2019-01-26T16:00:22.061970Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png","player_count":9,"ranked":true},{"id":94800,"name":"Blitz 19x19 Elimination Tournament 2022-09-20 01:30","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 Sitewide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260709T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-07-09T01:00:18.691479Z","lead_time_seconds":1800,"tournament_type":"elimination","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":100},"next_run":"2026-07-09T05:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":11,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2022-09-20T01:30:31.018911Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2022-09-20T01:30:32.332316Z","ended":"2022-09-20T02:01:04.057449Z","start_waiting":"2022-09-20T01:30:32.193232Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":7,"ranked":true},{"id":129942,"name":"Correspondence 19x19 RoundRobin 2025-06-29 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:20260708T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-07-08T19:00:19.191188Z","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":"2026-07-11T19:00:00Z","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":"2025-06-29T19:00:29.583753Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-29T19:00:29.745450Z","ended":"2025-11-09T21:44:59.548970Z","start_waiting":"2025-06-29T19:00:29.605299Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":5,"ranked":true},{"id":49242,"name":"DDK.NL Go Club - June LDDK Swiss","director":{"id":463810,"username":"SuzieKyu","country":"nl","icon":"https://user-uploads.online-go.com/62a582e29c917f3dfcb81bce64a13f7a-64.png","ratings":{"version":5,"overall":{"rating":1171.4995125731932,"deviation":63.025646037873635,"volatility":0.06000597450469722}},"ranking":18.5811525604583,"professional":false,"ui_class":""},"description":"Quarterly Swiss Tournament for beginners","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":false,"per_move":172800},"is_open":true,"exclude_provisional":false,"group":{"id":2979,"name":"Internatio.NL Go Club","summary":"Virtuele DDK club voor Nederlandse spelers en hun vrienden","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":64,"icon":"https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-64.png"},"auto_start_on_max":true,"time_start":"2019-06-28T10:00:00Z","players_start":8,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":10,"analysis_enabled":false,"exclusivity":"open","started":"2019-07-01T15:56:57.541303Z","ended":"2019-11-13T07:12:57.564484Z","start_waiting":"2019-07-01T15:56:56.366106Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/cbf3d1c63e4b51aee158455500f9a9e3-15.png","player_count":8,"ranked":true},{"id":49898,"name":"Correspondence 19x19 RoundRobin 2019-07-04 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 Sitewide Tournament","schedule":{"id":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260708T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-07-08T19:00:19.191188Z","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":"2026-07-11T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"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":"2019-07-04T19:00:14.904124Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-07-04T19:01:11.465134Z","ended":"2019-09-18T13:36:06.968958Z","start_waiting":"2019-07-04T19:01:06.037687Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":56108,"name":"Blitz 19x19 Elimination Tournament 2020-01-29 01:30","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 Sitewide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260709T010000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-07-09T01:00:18.691479Z","lead_time_seconds":1800,"tournament_type":"elimination","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":100},"next_run":"2026-07-09T05:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":11,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-01-29T01:30:55.861401Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-01-29T01:32:57.679038Z","ended":"2020-01-29T01:56:19.709414Z","start_waiting":"2020-01-29T01:32:57.284069Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":4,"ranked":true},{"id":95602,"name":"Live 19x19 Swiss Tournament 2022-10-12 16:30","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 Sitewide Tournament","schedule":{"id":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260709T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-07-09T00:00:18.679644Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-07-09T04:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2022-10-12T16:30:06.723595Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2022-10-12T16:31:08.199396Z","ended":"2022-10-12T18:04:43.759110Z","start_waiting":"2022-10-12T16:31:07.987540Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":6,"ranked":true},{"id":44918,"name":"Seek God's hand.","director":{"id":555052,"username":"Sarukamo","country":"jp","icon":"https://user-uploads.online-go.com/7d3e275c4acccabc6d4ccaef7821076c-64.png","ratings":{"version":5,"overall":{"rating":2180.772856679384,"deviation":67.62451212362289,"volatility":0.06003203048447157}},"ranking":32.96644154361915,"professional":false,"ui_class":""},"description":"なるべくAI参加してください。\n🙇‍♂️","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":303,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":300,"max_time":3600,"time_increment":300,"speed":"live"},"is_open":true,"exclude_provisional":false,"group":{"id":3211,"name":"gtp2ogs AI Gathering 2019x19 ໒( ̿ ᴥ ̿ )७","summary":"Gathering all OGS AI enthusiasts ! Welcome !!!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":245,"icon":"https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-64.png"},"auto_start_on_max":false,"time_start":"2019-03-03T14:40:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":31,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2019-04-14T00:54:52.343672Z","ended":"2019-04-14T00:59:52.629919Z","start_waiting":"2019-04-14T00:54:51.591497Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4cb3ff354d18a41e303966725f617c00-15.png","player_count":4,"ranked":true},{"id":141208,"name":"第10回　囲碁を楽しもう大会","director":{"id":1997867,"username":"RINNKU","country":"jp","icon":"https://user-uploads.online-go.com/149cc31ab23ee78d65e1987b29f39c5e-64.png","ratings":{"version":5,"overall":{"rating":1032.5117710686436,"deviation":61.380767792500855,"volatility":0.05998525726802297}},"ranking":15.65753636218382,"professional":false,"ui_class":""},"description":"㊗10回まで来ました。皆さんありがとうございます。\nでは、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":11,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2026-06-20T05:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-06-20T05:00:19.677282Z","ended":"2026-06-20T05:10:44.304450Z","start_waiting":"2026-06-20T05:00:19.609846Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true}]}