{"count":60780,"next":"https://online-go.com/api/v1/tournaments/?ordering=player_count&page=5990","previous":"https://online-go.com/api/v1/tournaments/?ordering=player_count&page=5988","results":[{"id":34352,"name":"9x9 Double Elimination - March 2018","director":{"id":138053,"username":"小狮子","country":"cn","icon":"https://user-uploads.online-go.com/f8bf837cba1ea6edbf6e8843cfac768c-64.png","ratings":{"version":5,"overall":{"rating":1632.8993280733664,"deviation":64.10393590787231,"volatility":0.0605951554954489}},"ranking":26.268633267549365,"professional":false,"ui_class":""},"description":"Everyone is welcome","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":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":3014,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2018-03-14T22:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-03-14T22:00:47.278077Z","ended":"2019-01-05T03:36:59.992376Z","start_waiting":"2018-03-14T22:00:45.151482Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":44,"ranked":true},{"id":39939,"name":"Big Christmas 9x9 Tournament","director":{"id":556274,"username":"gohörnchen","country":"de","icon":"https://user-uploads.online-go.com/2e45fc6dd1dec33accb87158fec982c5-64.png","ratings":{"version":5,"overall":{"rating":1289.479812429799,"deviation":64.700585093802,"volatility":0.060041979531902934}},"ranking":20.802495253069925,"professional":false,"ui_class":""},"description":"Let us make a big christmas 9x9 party.\n\nEasy system rules:\nif you win, you get stronger opponents, if you lost, you get an opponent, who lost too.\n7 rounds with max. 1 day per turn.\n\nOpen for everyone.\n\nMerry christmas and a happy new year! :D","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"simple","speed":"correspondence","system":"simple","pause_on_weekends":true,"per_move":86400},"is_open":true,"exclude_provisional":true,"group":{"id":2737,"name":"Kyu Kat Tournaments","summary":"Tournaments for all students!","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":1,"icon":"https://user-uploads.online-go.com/03a01427d04fd97f2933d9ddd540393a-64.png"},"auto_start_on_max":false,"time_start":"2018-12-06T09:00:00Z","players_start":30,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-12-06T09:00:44.656946Z","ended":"2019-04-03T02:45:47.621557Z","start_waiting":"2018-12-06T09:00:41.754712Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/03a01427d04fd97f2933d9ddd540393a-15.png","player_count":44,"ranked":true},{"id":46825,"name":"Final Frontier Simultaneous McMahon 19x19","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":"Final Frontier Tournament\n\nTHE NEXT ONE ON JUNE 25 https://online-go.com/tournament/47800","schedule":null,"title":null,"tournament_type":"s_mcmahon","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":73,"icon":"https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-64.png"},"auto_start_on_max":false,"time_start":"2019-04-25T19:00:00Z","players_start":30,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-04-25T19:00:52.884491Z","ended":"2020-01-30T07:07:09.633534Z","start_waiting":"2019-04-25T19:00:42.888274Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/dc9146aa65b9a001214cf5f3ed95a719-15.png","player_count":44,"ranked":true},{"id":59889,"name":"Everybody tournament 2","director":{"id":760687,"username":"HHG","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/94b05df11403a71a7a364ac616a2b643?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1358.7847135068978,"deviation":64.1188301435753,"volatility":0.0601574746002211}},"ranking":22.014439802187283,"professional":false,"ui_class":""},"description":"Whoops, I was one day late. This will be a faster tournament. If you are the only person holding up the tournament, you WILL be punished (minus points, disqualification, etc.) (Report in chat)","schedule":null,"title":null,"tournament_type":"swiss","handicap":-1,"rules":"japanese","time_per_move":23520,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":21600,"initial_time":172800,"max_time":345600},"is_open":true,"exclude_provisional":true,"group":{"id":5144,"name":"Go players","summary":"For all go players - feel free to join!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":228,"icon":"https://user-uploads.online-go.com/4ec48471c12af9fa68f6f30d6c700930-64.png"},"auto_start_on_max":false,"time_start":"2020-05-02T19:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":15,"analysis_enabled":true,"exclusivity":"open","started":"2020-05-02T19:00:44.359477Z","ended":"2021-03-29T11:06:44.959021Z","start_waiting":"2020-05-02T19:00:41.942484Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ec48471c12af9fa68f6f30d6c700930-15.png","player_count":44,"ranked":true},{"id":89190,"name":"Correspondence Weekly McMahon 19x19 2022-04-30 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 Sitewide Tournament","schedule":{"id":9,"name":"Correspondence Weekly McMahon 19x19","rrule":"DTSTART:20260817T170000Z\nRRULE:FREQ=WEEKLY","active":true,"created":"2015-12-16T02:22:56.480465Z","last_run":"2026-08-17T17:00:29.631606Z","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":"2026-08-24T17:00:00Z","base_points":"30.0"},"title":null,"tournament_type":"s_mcmahon","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":"2022-04-30T17:00:55.212473Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2022-04-30T17:01:06.792084Z","ended":"2023-11-14T03:31:57.552995Z","start_waiting":"2022-04-30T17:01:00.172728Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":44,"ranked":true},{"id":81070,"name":"Go Basics","director":{"id":875708,"username":"vanecho","country":"ca","icon":"https://secure.gravatar.com/avatar/21fd8ed0ecc0af43aabf973b48f11224?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1388.0868589640563,"deviation":67.47680741858572,"volatility":0.06032796851187345}},"ranking":22.508361983748568,"professional":false,"ui_class":""},"description":"Have fun very one free to come in!","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"aga","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":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":18118,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2021-10-29T02:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-10-29T02:00:36.682274Z","ended":"2022-09-04T22:11:36.914761Z","start_waiting":"2021-10-29T02:00:36.104874Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":44,"ranked":true},{"id":53401,"name":"UOGC Pioneers Cup 2019","director":{"id":87790,"username":"WiseBear","country":"ru","icon":"https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png","ratings":{"version":5,"overall":{"rating":1104.0021061102002,"deviation":62.08308547890164,"volatility":0.06028822213904829}},"ranking":17.207368885691388,"professional":false,"ui_class":""},"description":"More than 50 players joined the UOGC during the first day of the group's existence. In gratitude for the responsiveness of those people and in memory of their remarkable deed, this tournament is held annually. The names of the Pioneer Cup winners will be immortalized on the UOGC Wall of Champions.","schedule":null,"title":null,"tournament_type":"mcmahon","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":432000},"is_open":true,"exclude_provisional":true,"group":{"id":4121,"name":"Universal Online Go Club","summary":"No longer operated.","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":149,"icon":"https://user-uploads.online-go.com/cc6e6be864d8216b119aa1f58db5a937-64.png"},"auto_start_on_max":true,"time_start":"2019-12-02T12:00:00Z","players_start":25,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2019-12-02T12:00:07.986570Z","ended":"2022-11-11T23:04:58.446242Z","start_waiting":"2019-12-02T12:00:04.853203Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/cc6e6be864d8216b119aa1f58db5a937-15.png","player_count":44,"ranked":true},{"id":75273,"name":"July tournament","director":{"id":765440,"username":"-Crr-Ake-","country":"gb","icon":"https://secure.gravatar.com/avatar/9d99bf00e6d20984d9593370304f4512?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1600.786020918073,"deviation":61.22517156646065,"volatility":0.059964088743382375}},"ranking":25.808818894048446,"professional":false,"ui_class":""},"description":"monthly tournaments","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":8262,"name":"Virtuoso Go Association 🕶","summary":"Group Targets: Participate in our monthly and special event tournaments, Always learn something new, don't be scared to ask to review your games and have fun!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":33,"icon":"https://user-uploads.online-go.com/afa15e7b6a8909de8c92a1727546641c-64.png"},"auto_start_on_max":false,"time_start":"2021-07-20T16:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2021-07-20T16:00:47.139318Z","ended":"2023-04-29T11:31:38.668628Z","start_waiting":"2021-07-20T16:00:42.522638Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/afa15e7b6a8909de8c92a1727546641c-15.png","player_count":44,"ranked":true},{"id":46127,"name":"Tournanent 51","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":"How about a double elimination tournament in honor of the Spring Equinox? Darkness and light may be balanced that day, but not so the territories of white and black! Good game everyone!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":259200,"max_time":432000,"time_increment":86400,"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":595,"icon":"https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"},"auto_start_on_max":false,"time_start":"2019-03-21T01:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2019-03-21T01:00:44.921243Z","ended":"2023-04-05T09:30:02.390802Z","start_waiting":"2019-03-21T01:00:42.851727Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png","player_count":44,"ranked":true},{"id":94664,"name":"เซนต์โยเซฟ Newbie 9x9 Challenge","director":{"id":93499,"username":"GM.Chan","country":"th","icon":"https://user-uploads.online-go.com/944ce1e7f212970c79a70d06ab80a93c-64.png","ratings":{"version":5,"overall":{"rating":1941.6875792912067,"deviation":69.7205621598512,"volatility":0.06021222669128688}},"ranking":30.278220618666186,"professional":false,"ui_class":""},"description":"การแข่งขันฝึกซ้อมภายในโรงเรียนเซนต์โยเซฟ นครสวรรค์","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":33,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":30,"initial_time":300,"max_time":300},"is_open":true,"exclude_provisional":false,"group":{"id":6780,"name":"Go Master Online Tournament","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":91,"icon":"https://user-uploads.online-go.com/fe4f7fbd3c640ea3d979dd49ee80027a-64.png"},"auto_start_on_max":false,"time_start":"2022-09-16T08:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2022-09-16T08:00:55.351088Z","ended":"2022-09-16T09:33:17.442817Z","start_waiting":"2022-09-16T08:00:54.937702Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/fe4f7fbd3c640ea3d979dd49ee80027a-15.png","player_count":44,"ranked":true}]}