{"count":60734,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-max_ranking&page=1451","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-max_ranking&page=1449","results":[{"id":92284,"name":"【AI study 】very long tournament","director":{"id":1124710,"username":"Krios.","country":"ca","icon":"https://user-uploads.online-go.com/780748ce99b865915ca35d43164a4e94-64.png","ratings":{"version":5,"overall":{"rating":1245.1005841409792,"deviation":63.70392173609972,"volatility":0.06008790899354921}},"ranking":19.991722670953084,"professional":false,"ui_class":""},"description":"Join the group (AI study) to discuss all things go AI https://online-go.com/group/11990","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":2425920,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":604800,"period_time":2419200,"periods":12},"is_open":true,"exclude_provisional":true,"group":{"id":11990,"name":"Ai study","summary":"For players who play/study strong AI to discuss and connect.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":2,"icon":"https://user-uploads.online-go.com/02c17ea82586becd8e82dc77b0aa1c1a-64.png"},"auto_start_on_max":false,"time_start":"2022-07-18T21:00:00Z","players_start":50,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-07-19T01:19:03.306999Z","ended":null,"start_waiting":"2022-07-19T01:19:02.999860Z","board_size":19,"active_round":3,"icon":"https://user-uploads.online-go.com/02c17ea82586becd8e82dc77b0aa1c1a-15.png","player_count":14,"ranked":true},{"id":135130,"name":"⚫第2届“君和”杯循环赛⚪","director":{"id":1800688,"username":"奋斗星小目","country":"cn","icon":"https://user-uploads.online-go.com/82d2effdffa65d18b40b760db822eb83-64.png","ratings":{"version":5,"overall":{"rating":1457.4088715288815,"deviation":71.1504233242762,"volatility":0.06005591578955178}},"ranking":23.6365465561652,"professional":false,"ui_class":""},"description":"The second \"Junhe\" Cup round-robin tournament","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":15532,"name":"君和围棋俱乐部(Junhe weiqi club)","summary":"欢迎大家来到这个快乐的围棋家园，预祝大家的围棋不断进步！我会不定期建立比赛，希望大家积极参与，友谊第一，快乐第一，成长第一，让我们一起在OGS上开心地下围棋吧！\n\nWelcome to this joyful community of weiqi, and may your skills in weiqi continue to improve! I will organize competitions from time to time, and I hope everyone will actively","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":22,"icon":"https://user-uploads.online-go.com/8728411c45ad288e3eee88847d2b1d0e-64.png"},"auto_start_on_max":true,"time_start":"2026-01-01T03:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2025-12-29T02:49:14.988531Z","ended":"2026-05-21T11:14:54.853310Z","start_waiting":"2025-12-29T02:49:14.339133Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8728411c45ad288e3eee88847d2b1d0e-15.png","player_count":10,"ranked":true},{"id":102698,"name":"9x9x9x9","director":{"id":1289294,"username":"Mostly Goo","country":"_Klingon","icon":"https://user-uploads.online-go.com/4ef3c3b13373cac12189e181b57a1c5d-64.png","ratings":{"version":5,"overall":{"rating":1459.828548775391,"deviation":61.754947370463555,"volatility":0.05997980334944442}},"ranking":23.674949697927026,"professional":false,"ui_class":"supporter"},"description":"9x9x9x9 Tournament","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":113829,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":777600,"max_time":777600},"is_open":true,"exclude_provisional":true,"group":{"id":11750,"name":"Twin Cities Go Club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":54,"icon":"https://user-uploads.online-go.com/84980d2cc41e104b391e48e6112a9209-64.png"},"auto_start_on_max":true,"time_start":"2023-07-15T16:00:00Z","players_start":9,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2023-09-17T14:35:56.398149Z","ended":"2023-12-18T17:35:59.676304Z","start_waiting":"2023-09-17T14:35:56.238171Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/84980d2cc41e104b391e48e6112a9209-15.png","player_count":6,"ranked":true},{"id":71947,"name":"jesie safe sppace","director":{"id":751875,"username":"eyeeh4578","country":"us","icon":"https://user-uploads.online-go.com/c3a97b7960be52a39e13967baac63898-64.png","ratings":{"version":5,"overall":{"rating":1362.9752330208305,"deviation":73.4583146996863,"volatility":0.060024784676947135}},"ranking":22.0857250039004,"professional":false,"ui_class":""},"description":"jessie is a reteard","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":31,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":30,"initial_time":120,"max_time":300},"is_open":true,"exclude_provisional":false,"group":{"id":4993,"name":"Hardee's","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-02-27T03:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-02-27T02:07:16.830948Z","ended":"2021-02-27T03:41:43.297176Z","start_waiting":"2021-02-27T02:07:16.649677Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":6,"ranked":true},{"id":117486,"name":"Marble game","director":{"id":1546177,"username":"三月秋","country":"hk","icon":"https://user-uploads.online-go.com/eb60ca24bb0cf621746c2a5c69baab5f-64.png","ratings":{"version":5,"overall":{"rating":1130.6105030044725,"deviation":69.33814909515435,"volatility":0.06023191540729461}},"ranking":17.75870695716975,"professional":false,"ui_class":""},"description":"Hey everybody","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":1209600,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":1209600},"is_open":true,"exclude_provisional":false,"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":"2024-06-25T15:00:00Z","players_start":1,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-06-25T15:00:26.945793Z","ended":"2024-06-26T13:05:43.062164Z","start_waiting":"2024-06-25T15:00:26.824943Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/9e2ef11393074471b0837b732f220630-15.png","player_count":2,"ranked":true},{"id":68985,"name":"🎇19x19 1d - 9d+ players Friendly Match🎇","director":{"id":770016,"username":"Patience_Tester","country":"gb","icon":"https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png","ratings":{"version":5,"overall":{"rating":1690.6877553839624,"deviation":65.42650983750526,"volatility":0.06001456311821626}},"ranking":27.073749485726683,"professional":false,"ui_class":""},"description":"1. Competition for 1d - 9d+\n2. 19x19\n3. 5 - 20 players\n4. Double elimination\n5. Stop counting time at weekends\n6. Start on 1st January 2021\n7. 10 days per a move\n8. 🎉HAPPY NEW YEAR!!!!!!!🎉","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":864000,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":864000},"is_open":true,"exclude_provisional":true,"group":{"id":6273,"name":"19x19 Players","summary":"19x19 enthusiasts","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":368,"icon":"https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-64.png"},"auto_start_on_max":false,"time_start":"2021-01-01T11:00:00Z","players_start":5,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":30,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2021-01-01T11:00:33.730003Z","ended":"2023-10-24T13:34:16.303669Z","start_waiting":"2021-01-01T11:00:33.345247Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-15.png","player_count":9,"ranked":true},{"id":39808,"name":"1st Continental Go World Cup-Qualification Phase for Africa/Oceanic/Neutral: 4-1k Category","director":{"id":48251,"username":"Mitsunari","country":"fr","icon":"https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png","ratings":{"version":5,"overall":{"rating":1562.0280081959038,"deviation":64.74084213190109,"volatility":0.06031021743681992}},"ranking":25.241417268297056,"professional":false,"ui_class":""},"description":"Hello<br>\n<br>\nThis is the qualification phase for the African/Oceanic/Neutral 4-1k players.<br>\nThere will have 3 players who will be qualified for the final in thins group: The best African player, the best Oceanic player and the best Neutral player.\n<br>\nREMEMBER THAT YOUR FLAG MUST MATCH WITH THE CONTINENT (for example, Canadian or Brazilian flag are considered as American flags).<br>\n<br>\nHave fun :)","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":59520,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":172800,"max_time":259200,"time_increment":57600,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":2514,"name":"Continental and World Go Cups Group","summary":"You want to become World Champion or a Continental champion? Join us :)","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":526,"icon":"https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"},"auto_start_on_max":true,"time_start":"2018-09-08T22:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2018-08-13T03:56:02.009817Z","ended":"2018-11-02T20:16:42.181682Z","start_waiting":"2018-08-13T03:55:58.839405Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png","player_count":10,"ranked":true},{"id":141589,"name":"Go in the Sun 2026 Round 2","director":{"id":1621791,"username":"WrathOfGex","country":"gb","icon":"https://user-uploads.online-go.com/e4f737baf7f1c7369ca7fd935342f4d7-64.png","ratings":{"version":5,"overall":{"rating":932.2931161742789,"deviation":60.441268536981305,"volatility":0.05996027238323123}},"ranking":13.293864465319244,"professional":false,"ui_class":""},"description":"Today we encounter heat like no other. Only the power of Go can save us. But only one will rise to the top. Who will it be?","schedule":null,"title":null,"tournament_type":"swiss","handicap":-1,"rules":"japanese","time_per_move":40,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":600,"period_time":30,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":12769,"name":"Liverpool Go Club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":17,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2026-06-25T18:28:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2026-06-25T18:28:16.338952Z","ended":"2026-06-25T19:59:56.568993Z","start_waiting":"2026-06-25T18:28:16.288115Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":false},{"id":101054,"name":"IGC 19x19 Tournament","director":{"id":1217519,"username":"weijuwang","country":"us","icon":"https://user-uploads.online-go.com/3dfbed43995b75c2094428a3d9bca7eb-64.png","ratings":{"version":5,"overall":{"rating":1381.8475468428367,"deviation":61.81075704604698,"volatility":0.06002120753493223}},"ranking":22.404070474468437,"professional":false,"ui_class":""},"description":"You will have 7 days to make every 7 moves, so it's an average pace of 1 move per day, but with some flexibility.\n\nWith all that said, have fun and enjoy yourself! The purpose of this tournament is to get people to play more games.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"system":"canadian","time_control":"canadian","speed":"correspondence","pause_on_weekends":true,"main_time":0,"period_time":604800,"stones_per_period":7},"is_open":true,"exclude_provisional":false,"group":{"id":12821,"name":"Inglemoor High School Go Club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":12,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2023-03-13T23:00:00Z","players_start":2,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2023-03-13T23:00:47.774494Z","ended":"2023-04-16T08:51:39.236687Z","start_waiting":"2023-03-13T23:00:47.631904Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":46995,"name":"Just For Fun","director":{"id":628099,"username":"Ashman27","country":"us","icon":"https://secure.gravatar.com/avatar/b02070e1b019726022b795e2712f9420?s=64&d=retro","ratings":{"version":5,"overall":{"rating":862.6663329568667,"deviation":169.67774906862087,"volatility":0.060004809568299414}},"ranking":11.496977960722745,"professional":false,"ui_class":"provisional"},"description":"Just for those who want to have fun.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":31,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":120,"max_time":300,"time_increment":30,"speed":"live"},"is_open":true,"exclude_provisional":false,"group":{"id":28,"name":"Teaching League","summary":"The teaching league is a group for players who want to improve their game by playing, as well as by teaching weaker players.\n\nQuick rule summary: no handicap, moderate time settings, stronger player creates a review.\n\nPlease add \"TL\" to the game name.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":4512,"icon":"https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-64.png"},"auto_start_on_max":true,"time_start":"2019-03-30T07:00:00Z","players_start":3,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-04-01T06:51:24.747619Z","ended":"2019-04-01T07:01:25.565788Z","start_waiting":"2019-04-01T06:51:24.580348Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/b1a8e87e33263bc92ccdc6303c0c184c-15.png","player_count":3,"ranked":true}]}