{"count":59394,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=time_per_move&page=5762","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=time_per_move&page=5760","results":[{"id":125141,"name":"9x9 correspondence","director":{"id":1672844,"username":"deleted-b9b59e78-7fe2-421b-9592-08ffce621348","country":"us","icon":"https://user-uploads.online-go.com/50b661e8675f0399df4a903957995b4b-64.png","ratings":{"version":5,"overall":{"rating":800.7266229935348,"deviation":70.04385716130463,"volatility":0.060331232367038926}},"ranking":9.772108826139116,"professional":false,"ui_class":""},"description":"Apologies for the inconveniently timed surprise tournament.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":110781,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":691200,"max_time":691200},"is_open":true,"exclude_provisional":false,"group":{"id":14868,"name":"Study group 9x9, 13x13, 19x19","summary":"We like to play all go seriously. We study, play each other, and have tournaments every now and then.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":71,"icon":"https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-64.png"},"auto_start_on_max":false,"time_start":"2025-02-07T22:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2025-02-07T22:00:24.305783Z","ended":"2025-05-08T08:24:07.081453Z","start_waiting":"2025-02-07T22:00:24.123372Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/1b1fb2428dd6775b27c3de3c3fe40fa2-15.png","player_count":19,"ranked":true},{"id":17744,"name":"2016 Northern Solstice Teaching Ladder Tournament","director":{"id":203945,"username":"timuzhti","country":"au","icon":"https://user-uploads.online-go.com/447482e4d1fddb5ea71da68f3a8a67d7-64.png","ratings":{"version":5,"overall":{"rating":2349.2257971057606,"deviation":67.61151467333107,"volatility":0.06014167970887988}},"ranking":34.68895179754466,"professional":false,"ui_class":"supporter"},"description":"A tournament to encourage new users to join the OGS Teaching Ladder, provide fun games and reviews.\n\nInvite your friends!!!\n\nNOTE: The earlier tournament (16681) is broken, this is a replacement","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":110880,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":108000},"is_open":true,"exclude_provisional":false,"group":{"id":865,"name":"OGS Teaching Ladder","summary":"Teach the weaker, learn from the stronger","require_invitation":true,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":654,"icon":"https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-64.png"},"auto_start_on_max":false,"time_start":"2016-06-20T22:35:00Z","players_start":40,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-06-21T19:15:12.504095Z","ended":"2019-08-16T22:08:28.601983Z","start_waiting":"2016-06-21T19:15:04.759804Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/24ecd9d9f2f78df3b3e6b5f90732b0e3-15.png","player_count":98,"ranked":true},{"id":24053,"name":"Let's play GO","director":{"id":417533,"username":"jeremikrowy6","country":"un","icon":"https://secure.gravatar.com/avatar/83d985c7a125a5dc540a0b073877d396?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1017.9053326550568,"deviation":160.27611809461578,"volatility":0.05999607153897869}},"ranking":15.327706135347373,"professional":false,"ui_class":"provisional"},"description":"There are 3 runds on 19✖️19","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":113280,"time_control_parameters":{"time_control":"fischer","initial_time":2419200,"max_time":2419200,"time_increment":86400},"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":17904,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2017-01-28T16:40:00Z","players_start":8,"first_pairing_method":"slide","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2017-02-10T15:52:58.492305Z","ended":"2017-12-22T16:37:24.954876Z","start_waiting":"2017-02-10T15:52:57.897337Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":8,"ranked":true},{"id":75092,"name":"Attack on go 1","director":{"id":750171,"username":"KHAE","country":"th","icon":"https://user-uploads.online-go.com/56d33c7e8e7ce67f73aa947fd300727b-64.png","ratings":{"version":5,"overall":{"rating":1287.039113571418,"deviation":62.03202260607443,"volatility":0.06028614816374175}},"ranking":20.758635924188564,"professional":false,"ui_class":""},"description":"Attack on go 1 \nGg \nFun","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":113280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":2419200,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":9144,"name":"Anime go k","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":2,"icon":"https://user-uploads.online-go.com/6ffe0a812aae7de8c6ba62e7ccb1a6c2-64.png"},"auto_start_on_max":false,"time_start":"2021-05-13T04:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2021-05-13T14:40:47.854943Z","ended":"2021-09-07T14:06:49.707489Z","start_waiting":"2021-05-13T14:40:47.671421Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/6ffe0a812aae7de8c6ba62e7ccb1a6c2-15.png","player_count":4,"ranked":true},{"id":90167,"name":"KISEI","director":{"id":786051,"username":"kadare","country":"ro","icon":"https://secure.gravatar.com/avatar/1806c59ab775edc0f96cea739d703e1c?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1372.689308465187,"deviation":62.47198368434379,"volatility":0.06011165970281974}},"ranking":22.25013243639114,"professional":false,"ui_class":""},"description":"KISEI TOURNAMENT","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":113280,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":false,"main_time":2419200,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":30,"name":"România","summary":"Grupul romanilor de pe OGS.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":111,"icon":"https://user-uploads.online-go.com/76902c1bdd5a6f9fc13afbb21ce2f1f2-64.png"},"auto_start_on_max":true,"time_start":"2022-09-01T08:00:00Z","players_start":32,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-08-31T07:00:53.051540Z","ended":"2024-09-08T09:58:42.395089Z","start_waiting":"2022-08-31T07:00:52.533695Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/76902c1bdd5a6f9fc13afbb21ce2f1f2-15.png","player_count":32,"ranked":true},{"id":40433,"name":"不如搞個聯賽:0)","director":{"id":520158,"username":"Nsonbolyar86","country":"un","icon":"https://secure.gravatar.com/avatar/84ede4c4ecca31ebee15734fcb36b4bd?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1687.4869919609714,"deviation":61.05884960864995,"volatility":0.059940790552857476}},"ranking":27.029881005877566,"professional":false,"ui_class":""},"description":"瑞士制在選擇配位時最基本的一個原則是，挑選成績相同或最相近的選手進行比賽。\n\n第一輪比賽可通過抽籤決定或者根據賽前排名決定。比賽的勝者獲得1分積分，負者不得分，如果打平雙方各得0.5分（或勝兩分、和一分）。不管勝負如何，所有選手都進入下一輪。以後每一輪的配位，勝者對勝者，負者對負者，即根據此前的積分決定，積分相同或最相近的選手將相互對陣。當然前提是二者在前面的輪次中尚未交手過。在西洋棋比賽中，還要儘量使棋手執黑棋與執白棋的次數相等，普遍採用的辦法是輪換使用黑白棋。但不管怎樣，絕不能出現一名棋手連續3輪執一種顏色的情況。\n\n積分相同的選手配位基本規則是採用賽前排名編號，然後分成上下半區依次配對（如1號對5號，2號對6號...)。在必要的時候還要進一步調整以使棋手輪換先後手比賽，並保證此前相遇過的棋手不再相遇。\n\n具體的配位規則相當複雜，一般比賽的組織者都是通過特定的電腦程式幫助完成。只要嚴格執行，就不會出現組織者主觀制定配位的情況。\n\n比賽總輪次是賽前預先確定好的，一般為為3到9輪，最後的名次由選手的總積分決定。如果出現積分相等的情況，可以通過計算小分（如所有對手的積分總和）或布赫茲破同分法(Buchholz chess rating)決定。","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":113280,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":2419200,"max_time":2419200,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":2807,"name":"每星期圍棋GP","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":19,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2018-08-30T17:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2018-09-01T17:27:41.806072Z","ended":"2018-09-01T18:16:33.097927Z","start_waiting":"2018-09-01T17:27:41.613042Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":2,"ranked":true},{"id":54643,"name":"Seamus will win because he's best","director":{"id":705971,"username":"SeamusIsCool34.5","country":"un","icon":"https://user-uploads.online-go.com/943ed974f455857de8c9ca517cd4cad3-64.png","ratings":{"version":5,"overall":{"rating":1663.0396272116438,"deviation":132.91599173638315,"volatility":0.06000078064022366}},"ranking":26.69204364331588,"professional":false,"ui_class":""},"description":"tournament tournament tournament tournament tournament tournament tournament tournament tournament tournament tournament tournament","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":113280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":2419200,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":4185,"name":"East STEAM Go 2024","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":121,"icon":"https://user-uploads.online-go.com/f71542d89d8f9dddb63f3550f041e454-64.png"},"auto_start_on_max":false,"time_start":"2019-12-10T19:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-12-11T13:56:22.022155Z","ended":"2020-03-18T11:03:00.279690Z","start_waiting":"2019-12-11T13:56:21.470055Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/f71542d89d8f9dddb63f3550f041e454-15.png","player_count":4,"ranked":true},{"id":65314,"name":"Tournament","director":{"id":768074,"username":"Mingyuan   .","country":"sg","icon":"https://secure.gravatar.com/avatar/b402af3833f948842e80e4b325d3ba4b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1003.9031057587949,"deviation":70.21151166829048,"volatility":0.059977297602570125}},"ranking":15.007045948991804,"professional":false,"ui_class":""},"description":"28 days","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":113280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":2419200,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":4955,"name":"Weiqi To Go Main Group","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":50,"icon":"https://user-uploads.online-go.com/3ec3b761cd0703b1932dbe45f102bbe8-64.png"},"auto_start_on_max":false,"time_start":"2020-09-11T09:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-09-11T12:28:38.285861Z","ended":"2020-09-21T10:57:12.057244Z","start_waiting":"2020-09-11T12:28:38.138340Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/3ec3b761cd0703b1932dbe45f102bbe8-15.png","player_count":2,"ranked":true},{"id":30862,"name":"poopoo","director":{"id":466117,"username":"donald dump president","country":"us","icon":"https://user-uploads.online-go.com/8c094a9a22034fdad4b85515f74e881a-64.png","ratings":{"version":5,"overall":{"rating":933.6223593726121,"deviation":86.3186383533499,"volatility":0.060018443924735494}},"ranking":13.32684772276059,"professional":false,"ui_class":""},"description":"same as round robin","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":113280,"time_control_parameters":{"period_time":86400,"main_time":2419200,"system":"byoyomi","pause_on_weekends":true,"time_control":"byoyomi","periods":5,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":1392,"name":"Poo and fart","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":7,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2017-10-28T00:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2017-10-30T19:10:06.939131Z","ended":"2018-02-22T08:30:23.185655Z","start_waiting":"2017-10-30T19:10:03.634249Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":9,"ranked":true},{"id":59490,"name":"Tonbridge School Go","director":{"id":699137,"username":"maxgilbey123","country":"un","icon":"https://secure.gravatar.com/avatar/c1c5d46fd765b9615bca8222b4572c57?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1247.992630350689,"deviation":105.43628639678855,"volatility":0.05999907359935118}},"ranking":20.045431773682612,"professional":false,"ui_class":""},"description":"Good Luck","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":113280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":2419200,"max_time":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":4193,"name":"Tonbridge School Go","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":19,"icon":"https://user-uploads.online-go.com/e5934791779023739fe6350d83401c84-64.png"},"auto_start_on_max":false,"time_start":"2020-04-23T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-04-24T23:20:39.161050Z","ended":"2020-10-26T10:47:12.979556Z","start_waiting":"2020-04-24T23:20:38.341319Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e5934791779023739fe6350d83401c84-15.png","player_count":4,"ranked":true}]}