{"count":59538,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-analysis_enabled&page=276","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-analysis_enabled&page=274","results":[{"id":26133,"name":"Ratio 00E","director":{"id":153455,"username":"El0m","country":"gb","icon":"https://user-uploads.online-go.com/018b099d6b5f111ad780b468738dc998-64.png","ratings":{"version":5,"overall":{"rating":1295.7038814112566,"deviation":70.83331711939027,"volatility":0.0603648964543371}},"ranking":20.913967003155264,"professional":false,"ui_class":""},"description":"R01 ratio tournament\nTrying an experimental setting","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"aga","time_per_move":64320,"time_control_parameters":{"period_time":691200,"main_time":604800,"system":"canadian","pause_on_weekends":true,"time_control":"canadian","stones_per_period":12,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":34,"name":"Tournament room","summary":"A group for those who wish to play in tournaments. If you would like to participate, but there is no suitable tournament, please contact a group admin and ask him to create one :)","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":144,"icon":"https://user-uploads.online-go.com/9751980d116a718256791123a945e1ea-64.png"},"auto_start_on_max":true,"time_start":"2017-04-10T11:00:00Z","players_start":30,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2017-04-26T07:29:35.195022Z","ended":"2018-03-04T12:11:29.785507Z","start_waiting":"2017-04-26T07:29:28.105405Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/9751980d116a718256791123a945e1ea-15.png","player_count":30,"ranked":true},{"id":127992,"name":"Correspondence 19x19 RoundRobin 2025-04-30 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:20260430T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-30T19:00:48.758440Z","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":"2026-05-03T19:00:00Z","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":"2025-04-30T19:00:48.103159Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-30T19:00:49.658205Z","ended":"2025-07-10T16:02:27.311924Z","start_waiting":"2025-04-30T19:00:49.274518Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":9,"ranked":true},{"id":51374,"name":"Correspondence 19x19 RoundRobin 2019-08-24 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:20260430T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-30T19:00:48.758440Z","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":"2026-05-03T19:00:00Z","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":"2019-08-24T19:00:03.890177Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-08-24T19:00:41.121982Z","ended":"2019-10-10T10:35:31.300474Z","start_waiting":"2019-08-24T19:00:39.922609Z","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":101961,"name":"9x9 Open D.E. Cup #77","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1338.236598358355,"deviation":69.33518936018596,"volatility":0.06020490973909506}},"ranking":21.661681692398613,"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/10842","schedule":null,"title":null,"tournament_type":"double_elimination","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":false,"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":697,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2023-04-16T19:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-04-14T13:00:52.697446Z","ended":"2023-07-30T07:00:05.367524Z","start_waiting":"2023-04-14T13:00:52.528210Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":8,"ranked":true},{"id":44396,"name":"Tournament 49","director":{"id":12573,"username":"Misawa","country":"us","icon":"https://user-uploads.online-go.com/c51ad51df953247093a774c49b78eb0b-64.png","ratings":{"version":5,"overall":{"rating":977.5796256115817,"deviation":69.02183474866371,"volatility":0.05986671976150141}},"ranking":14.391926363316212,"professional":false,"ui_class":""},"description":"Happy New Year! This should have started on New Years Eve, but I was traveling and forgot to set it up. This is our first tournament of the year so everyone jump in! Please notice I’m experimenting with a new time structure. Moves only gain you 12 hours time, but I did allow the time to pause on weekends. Hopefully this will allow the tournament to go a little faster, without adding stress. Let me know what you think. Happy Go everyone!","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":48000,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":432000,"max_time":432000,"time_increment":43200,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":343,"name":"Global Go Club","summary":"Open Go club for people anywhere","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":590,"icon":"https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"},"auto_start_on_max":false,"time_start":"2019-01-15T21:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":32,"analysis_enabled":true,"exclusivity":"open","started":"2019-01-15T21:00:44.272130Z","ended":"2020-05-05T17:08:14.000870Z","start_waiting":"2019-01-15T21:00:24.813485Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png","player_count":63,"ranked":true},{"id":111803,"name":"FUN round robin","director":{"id":787858,"username":"yoloyoloyoloooo","country":"001","icon":"https://secure.gravatar.com/avatar/97edc1fc44b8b0ee463a4c8e5f476292?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1000.233231288973,"deviation":61.0080124859982,"volatility":0.06004393573580571}},"ranking":14.922263604234635,"professional":false,"ui_class":""},"description":"let's play some go, beginners are welcomed","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":261251,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":259200,"period_time":259200,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":25,"name":"Go Basics","summary":"A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":17931,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2024-01-19T00:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-01-19T00:00:55.942632Z","ended":"2024-05-04T21:39:44.786496Z","start_waiting":"2024-01-19T00:00:55.903019Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":2,"ranked":true},{"id":49819,"name":"September Correspondence tournament","director":{"id":607169,"username":"Koreadars","country":"_Pirate","icon":"https://user-uploads.online-go.com/1910420678f28b78fe5b8898350c77ff-64.png","ratings":{"version":5,"overall":{"rating":2357.1359340613008,"deviation":75.92640303674303,"volatility":0.0600299512870185}},"ranking":34.76676980364381,"professional":false,"ui_class":""},"description":"Please note that bot players can’t play!","schedule":null,"title":null,"tournament_type":"s_mcmahon","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":3,"name":"OGS","summary":"An open group for folks' who like OGS!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1782,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-64.png"},"auto_start_on_max":false,"time_start":"2019-09-01T07:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-09-01T07:00:45.673641Z","ended":"2021-02-24T00:12:24.204040Z","start_waiting":"2019-09-01T07:00:18.689410Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/09ea48b349cad5d5f27e07f5e0177803-15.png","player_count":70,"ranked":true},{"id":73875,"name":"Melee 13x13 Tournament: 2021-04-16","director":{"id":741522,"username":"wolfmeister","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1209.6169056480942,"deviation":65.52079638031556,"volatility":0.06013235595814508}},"ranking":19.32239564406787,"professional":false,"ui_class":""},"description":"Play async or live via video. Your choice.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":20160,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":1814400},"is_open":true,"exclude_provisional":true,"group":{"id":6518,"name":"Madison Google Go","summary":"Nominally a social league for the MSN site, but friendly, casual players from other sites welcome.  Make sure to join the Hangouts room, go-msn@ group for announcements!  Please send an *INTERNAL* email to the organizers to join.  We don't always notice OG","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":18,"icon":"https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-64.png"},"auto_start_on_max":false,"time_start":"2021-04-17T04:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2021-04-17T04:00:13.333275Z","ended":"2021-05-07T20:10:00.282938Z","start_waiting":"2021-04-17T04:00:12.949426Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-15.png","player_count":5,"ranked":true},{"id":128054,"name":"Kata_web vs Kata_HF","director":{"id":1480332,"username":"Kata_speed","country":"cn","icon":"https://user-uploads.online-go.com/f95840501e8a57e554d3b8c0edd193b9-64.png","ratings":{"version":5,"overall":{"rating":2717.5906546342494,"deviation":88.20637712418021,"volatility":0.06000292767618095}},"ranking":38,"professional":false,"ui_class":"bot"},"description":"Kata_web vs Kata_HF","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":74,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":1800,"period_time":60,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":12594,"name":"Doulet Media","summary":"This is one of the Bot that allows Bots and welcome Bots because we developed bots and test them in here. Feel free to challenge Kata_web, our newest AI and welcome to join our ladders and tournaments and they all allow bots. -changcheng6541/Doulet Media","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":1937,"icon":"https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-64.png"},"auto_start_on_max":true,"time_start":"2025-05-01T22:00:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-05-01T21:09:48.266650Z","ended":"2025-05-01T23:08:19.534021Z","start_waiting":"2025-05-01T21:09:48.202771Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/d54616909c95182263b73a78d32b9412-15.png","player_count":2,"ranked":true},{"id":72911,"name":"Correspondence 13x13 RoundRobin 2021-03-23 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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260428T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-04-28T19:00:35.409556Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":13,"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":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":"2026-05-01T19:00:00Z","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":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2021-03-23T19:00:11.054614Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2021-03-23T19:00:13.955623Z","ended":"2021-06-07T01:51:57.028899Z","start_waiting":"2021-03-23T19:00:12.055661Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":10,"ranked":true}]}