{"count":59553,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-player_count&page=355","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-player_count&page=353","results":[{"id":14378,"name":"First Tournament Japan 2016","director":{"id":177197,"username":"Go Sertão","country":"br","icon":"https://user-uploads.online-go.com/c40214b15b251afaa9a1da99f96c4d25-64.png","ratings":{"version":5,"overall":{"rating":1239.629822089722,"deviation":68.93786449821857,"volatility":0.05933567572860131}},"ranking":19.88978135303707,"professional":false,"ui_class":""},"description":"lets play !!!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":11,"name":"Japanese Group","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":156,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2016-03-01T04:00:00Z","players_start":5,"first_pairing_method":"strength","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-03-01T00:39:31.981429Z","ended":"2017-08-04T11:24:37.781939Z","start_waiting":"2016-03-01T00:39:31.657871Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":16,"ranked":true},{"id":18886,"name":"第一届华夏兄弟盟棋圣战（内部）","director":{"id":314225,"username":"GuluCat","country":"cn","icon":"https://user-uploads.online-go.com/fe6d33fb17fad59815ce9277c5e1d9b7-64.png","ratings":{"version":5,"overall":{"rating":2362.1833824434566,"deviation":75.54685114055218,"volatility":0.06015000178948722}},"ranking":34.81628901044649,"professional":false,"ui_class":"supporter"},"description":"不论何人在比赛任何阶段遇到怀哲哥（huaizhexxx（5d）），哲哥需让2子赐教（哲哥勿喷我(⊙o⊙)哦），以均衡实力、增加看点，友谊第一，加油么么哒↖(^ω^)↗","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":87360,"time_control_parameters":{"time_control":"fischer","initial_time":86400,"max_time":172800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":1180,"name":"华夏兄弟盟 Chinese Brotherhood ","summary":"A group that you can play with a lot of Chinese players :) .welcome everyone joining our group, we sincerely hope you can enjoy the game of Go and Chinese culture as well :)","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1181,"icon":"https://user-uploads.online-go.com/61ab6668def88dc8b1b7fc54d5582ae6-64.png"},"auto_start_on_max":true,"time_start":"2016-07-13T03:56:00Z","players_start":8,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"group","started":"2016-07-13T03:56:22.624712Z","ended":"2017-09-28T05:50:22.357242Z","start_waiting":"2016-07-13T03:56:22.424812Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/61ab6668def88dc8b1b7fc54d5582ae6-15.png","player_count":16,"ranked":true},{"id":3826,"name":"FSTS Long Road #1","director":{"id":117904,"username":"Inquisitor","country":"_Red_Cross","icon":"https://user-uploads.online-go.com/6480244495d6b65fce5554cef9397a7f-64.png","ratings":{"version":5,"overall":{"rating":1304.0248210491002,"deviation":62.45011626472323,"volatility":0.06000432406173624}},"ranking":21.06215970513464,"professional":false,"ui_class":""},"description":"Details on OGS Forum: https://forums.online-go.com/t/fsts-long-road-1/","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":353,"name":"Four Seasons Tournament Series","summary":"Серия турниров \"Четыре Сезона\"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":623,"icon":"https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png"},"auto_start_on_max":false,"time_start":"2015-01-12T15:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":10,"max_ranking":36,"analysis_enabled":false,"exclusivity":"group","started":"2015-01-12T15:00:56.459115Z","ended":"2017-09-26T12:57:42.284965Z","start_waiting":"2015-01-12T15:00:56.242079Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png","player_count":16,"ranked":true},{"id":45586,"name":"Live 9x9 Double Elimination Tournament 2019-02-12 18:30","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260504T060000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-05-04T06:00:49.818642Z","lead_time_seconds":1800,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"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":"2026-05-04T10:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":33,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2019-02-12T18:30:28.112436Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2019-02-12T18:30:31.238229Z","ended":"2019-02-12T19:46:18.893333Z","start_waiting":"2019-02-12T18:30:29.934182Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":16,"ranked":true},{"id":61970,"name":"Mental Combat Basic 2020 13x13 Championship","director":{"id":476035,"username":"MonkeyMonk","country":"ru","icon":"https://secure.gravatar.com/avatar/893ba2588a07b3654986a9ddfaabc7d7?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1421.3320906134593,"deviation":61.451764318788584,"volatility":0.0600152725576737}},"ranking":23.05627815682673,"professional":false,"ui_class":""},"description":"Annual Mental Combat Basic championship. Winners will be posted to Wall of Glory.","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","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":true,"group":{"id":5771,"name":"Mental Combat","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":0,"icon":"https://user-uploads.online-go.com/cade87c9b60b1cde406b87b63c367e0f-64.png"},"auto_start_on_max":true,"time_start":"2020-07-16T02:00:00Z","players_start":8,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-07-16T02:00:55.453264Z","ended":"2021-01-06T08:35:45.498071Z","start_waiting":"2020-07-16T02:00:54.476322Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/cade87c9b60b1cde406b87b63c367e0f-15.png","player_count":16,"ranked":true},{"id":28636,"name":"Summer of 2017 Tournament of DDK'S!","director":{"id":168430,"username":"Suspiria","country":"us","icon":"https://user-uploads.online-go.com/46a9060ce9011e06147a1d8a96a4e36f-64.png","ratings":{"version":5,"overall":{"rating":617.7336563084134,"deviation":61.79122401795253,"volatility":0.059961217627408955}},"ranking":5,"professional":false,"ui_class":""},"description":"Its Summertime! No school, too much free time, and the weather's too hot? Well seems like a perfect time for some more Go. Play for fun, play to learn, play to win. All are welcome.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":31680,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":259200,"max_time":432000,"time_increment":28800,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":24,"name":"Double Digit Kyu Room","summary":"For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":3658,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2017-07-15T15:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2017-07-15T16:25:25.729926Z","ended":"2018-04-05T14:37:16.928077Z","start_waiting":"2017-07-15T16:25:24.522443Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":16,"ranked":true},{"id":20056,"name":"15k-1k the prize tourniment..","director":{"id":82,"username":"BFF","country":"ru","icon":"https://secure.gravatar.com/avatar/48d65cd0806a7b6e1911c10d557b6ffb?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1496.6571309968624,"deviation":66.59345665503561,"volatility":0.0600852454495633}},"ranking":24.251732996975477,"professional":false,"ui_class":""},"description":"Winner will receive Black and white chess backgammon chess plastic children adult go game alphago game chess\n http://s.aliexpress.com/Mrei6Rr2","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":9,"name":"Русская группа","summary":"Интересные, призовые турниры.","require_invitation":true,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1956,"icon":"https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png"},"auto_start_on_max":true,"time_start":"2016-09-03T18:43:00Z","players_start":16,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":15,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2016-09-03T19:13:56.730492Z","ended":"2018-01-27T01:31:55.515881Z","start_waiting":"2016-09-03T19:13:55.983347Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png","player_count":16,"ranked":true},{"id":35582,"name":"My First Tournament","director":{"id":388805,"username":"Mjames99","country":"au","icon":"https://secure.gravatar.com/avatar/1d9b453b87965ae95dddd537f27860bc?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1583.4762079583668,"deviation":61.26899197787664,"volatility":0.05963671553813241}},"ranking":25.557127237718156,"professional":false,"ui_class":""},"description":"I haven't played a tournament yet. Thus being said, have fun :)","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":43,"name":"Kyu Level Study Group","summary":"A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8878,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"},"auto_start_on_max":false,"time_start":"2018-03-23T03:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":12,"max_ranking":25,"analysis_enabled":true,"exclusivity":"open","started":"2018-03-23T03:00:55.185220Z","ended":"2018-12-23T22:17:58.350938Z","start_waiting":"2018-03-23T03:00:54.388342Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png","player_count":16,"ranked":true},{"id":42661,"name":"For Beginners Correspondence DE 12/09/2018","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 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 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","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400,"speed":"correspondence"},"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":73,"icon":"https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png"},"auto_start_on_max":false,"time_start":"2018-12-09T16:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":10,"analysis_enabled":true,"exclusivity":"open","started":"2018-12-09T16:00:17.385191Z","ended":"2019-04-08T17:10:51.096916Z","start_waiting":"2018-12-09T16:00:15.942967Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png","player_count":16,"ranked":true},{"id":20390,"name":"Intermediate Go Tournament 19 by 19","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":"2016-09-16T03:12:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2016-09-16T03:12:48.668721Z","ended":"2018-08-04T14:35:46.282606Z","start_waiting":"2016-09-16T03:12:44.936650Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/35a98fe2f49543d1a9149d837f3ffad9-15.png","player_count":16,"ranked":true}]}