{"count":59532,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-name&page=5691","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-name&page=5689","results":[{"id":33114,"name":"1st tournament","director":{"id":461800,"username":"Wiccan_Wolf","country":"us","icon":"https://user-uploads.online-go.com/a9589abe3c46a0852f2f47578cf86fef-64.png","ratings":{"version":5,"overall":{"rating":1412.7465921312746,"deviation":61.182038259179286,"volatility":0.059971280844552076}},"ranking":22.916017479468337,"professional":false,"ui_class":""},"description":"Let's see some stone battles.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":50,"time_control_parameters":{"period_time":30,"main_time":1800,"system":"byoyomi","pause_on_weekends":false,"time_control":"byoyomi","periods":10,"speed":"live"},"is_open":true,"exclude_provisional":true,"group":{"id":1838,"name":"The Unusual Pack","summary":"For those who go up in ranking and then hit that wall.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":35,"icon":"https://user-uploads.online-go.com/6558d2a006496b901cb456e3373e391b-64.png"},"auto_start_on_max":false,"time_start":"2017-12-30T23:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2017-12-30T23:00:20.826125Z","ended":"2017-12-31T00:10:21.832399Z","start_waiting":"2017-12-30T23:00:20.149679Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6558d2a006496b901cb456e3373e391b-15.png","player_count":5,"ranked":true},{"id":128769,"name":"1st play Zenoleo9697","director":{"id":1783834,"username":"leoleohung96","country":"un","icon":"https://secure.gravatar.com/avatar/2fedd9dbe6ac025aa3661f8cbfc1cc86?s=64&d=retro","ratings":{"version":5,"overall":{"rating":835.620927359163,"deviation":181.33030985773235,"volatility":0.060005720853376264}},"ranking":10.759583185913854,"professional":false,"ui_class":"provisional"},"description":"1st play","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":0,"time_control_parameters":{"system":"none","time_control":"none","speed":"correspondence","pause_on_weekends":false},"is_open":true,"exclude_provisional":true,"group":{"id":15360,"name":"ZeNoLeO9697","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":true,"hide_details":true,"member_count":2,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-05-24T12:48:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2025-05-24T12:48:58.611329Z","ended":"2025-05-27T01:34:28.432044Z","start_waiting":"2025-05-24T12:48:58.559053Z","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":7373,"name":"1st of June DDK Monthly Tournament (Testing Phase)","director":{"id":150769,"username":"deleted-3238627f-e757-44b4-a464-6ce17a3ea53c","country":"my","icon":"https://secure.gravatar.com/avatar/74456719f0f4147b55551974a0320474?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1304.3557851784537,"deviation":61.22277668841308,"volatility":0.059984725906123984}},"ranking":21.068034476337406,"professional":false,"ui_class":""},"description":"Aims:\n1. To bring players of equivalent strength together for practice games, rather than obtaining the strongest player as in regular tournaments.\n2. Similar concept to rank promotion through tournaments or ranking exams.\n\nMethods:\n1. The use of McMahon system helps to minimise strength difference, i.e. win-loss is considered despite the presence of ranking system.\n2. Handicap is enabled in case that a strong player is paired with a weaker player.\n3. (Improvement suggestions are welcomed)\n\n\n* Absolute timing is used to ensure the tournament progress. The time of both players adds up to a maximum of 1 week.\n\n\n# Time setting has been modified. Interested players please rejoin. Sorry for the inconvenience.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":3360,"time_control_parameters":{"total_time":302400,"time_control":"absolute"},"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":17930,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2015-05-31T16:00:00Z","players_start":10,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":11,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2015-05-31T16:00:17.199133Z","ended":"2015-06-29T04:03:41.665263Z","start_waiting":"2015-05-31T16:00:16.668462Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":27,"ranked":true},{"id":335,"name":"1st morituri Handicap Open","director":{"id":14620,"username":"morituri","country":"de","icon":"https://secure.gravatar.com/avatar/b83631fa4d483e23178e48d8e4b3a955?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2286.841821005177,"deviation":64.9686065824193,"volatility":0.05991017216274213}},"ranking":34.06589090127554,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":10,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2008-09-05T19:57:30Z","ended":"2008-09-05T17:57:30Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":490,"name":"1st morituri 9x9 Handicap Open","director":{"id":14620,"username":"morituri","country":"de","icon":"https://secure.gravatar.com/avatar/b83631fa4d483e23178e48d8e4b3a955?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2286.841821005177,"deviation":64.9686065824193,"volatility":0.05991017216274213}},"ranking":34.06589090127554,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2008-05-27T13:41:48Z","ended":"2008-05-27T11:41:48Z","start_waiting":null,"board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":3147,"name":"1st friendly cup (basic rules)","director":{"id":48251,"username":"Mitsunari","country":"fr","icon":"https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png","ratings":{"version":5,"overall":{"rating":1609.2139605925472,"deviation":64.48132283606843,"volatility":0.06031226100947535}},"ranking":25.930381045391385,"professional":false,"ui_class":""},"description":"Hello.\n\nThis tournament begins this Sunday August 31st at  17:00 GMT (19:00 french hour).\n\nI will maybe do others tournaments, but with original rules :)","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":63,"time_control_parameters":{"time_control":"byoyomi","period_time":60,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":326,"name":"European Weekly Cup","summary":"Our goal is to provide tournaments with a schedule oriented for european players. Non-european players are welcome !!!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":253,"icon":"https://user-uploads.online-go.com/6811f1a03590402ce5debeda4cb7b2f7-64.png"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2014-08-31T17:00:17.806647Z","ended":"2014-08-31T17:51:35.005689Z","start_waiting":"2014-08-31T17:00:17.459817Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/6811f1a03590402ce5debeda4cb7b2f7-15.png","player_count":0,"ranked":true},{"id":84023,"name":"1st day of the New Year","director":{"id":474948,"username":"LeaSaco","country":"ru","icon":"https://user-uploads.online-go.com/4d636036ac1922b62f671e53d22d640f-64.png","ratings":{"version":5,"overall":{"rating":1525.386689063498,"deviation":65.17509660030815,"volatility":0.059713351833507795}},"ranking":24.691904844981458,"professional":false,"ui_class":""},"description":"Неожиданный турнир","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":false,"group":{"id":1803,"name":"Клуб Го \"Линия жизни\" Тюмень ","summary":"Добрый день всем!  \nЭто группа Тюменского Го-клуба \"Линия жизни\"!  \nОбычно мы играем в ___________ по субботам с 14:30. Приходите! Мы рады новичкам и данам. ","require_invitation":true,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":53,"icon":"https://user-uploads.online-go.com/1632b47d0d8a7b47b543d746fe48cc0e-64.png"},"auto_start_on_max":false,"time_start":"2022-01-01T07:00:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2022-01-01T07:00:32.165824Z","ended":"2023-03-21T09:37:25.049727Z","start_waiting":"2022-01-01T07:00:31.874042Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/1632b47d0d8a7b47b543d746fe48cc0e-15.png","player_count":20,"ranked":true},{"id":1003,"name":"1st anuall OGS open","director":{"id":29698,"username":"jobbob245","country":"us","icon":"https://secure.gravatar.com/avatar/20912d55780c93bb66b8b9477b5c37d1?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1338.05506261425,"deviation":72.43903673204956,"volatility":0.06000638321309588}},"ranking":21.658541113556804,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2010-01-21T16:46:09Z","ended":"2010-01-21T15:46:09Z","start_waiting":null,"board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":62996,"name":"1st annual 19x19 mcmahon tornament","director":{"id":770232,"username":"Jaedon R","country":"us","icon":"https://user-uploads.online-go.com/32563c1fb86fc3baeb8768c7e03f200f-64.png","ratings":{"version":5,"overall":{"rating":1694.8962547763986,"deviation":68.83136974895518,"volatility":0.06017408633209629}},"ranking":27.131303403056243,"professional":false,"ui_class":""},"description":"The winners of each round will be placed in the final tournament. Do you have what it takes to be first?","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":179520,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":172800,"initial_time":604800,"max_time":1209600},"is_open":true,"exclude_provisional":false,"group":{"id":6273,"name":"19x19 Players","summary":"19x19 enthusiasts","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":364,"icon":"https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-64.png"},"auto_start_on_max":false,"time_start":"2020-07-18T17:30:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2020-07-18T17:30:46.383171Z","ended":"2024-07-08T03:59:12.653128Z","start_waiting":"2020-07-18T17:30:40.310187Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-15.png","player_count":40,"ranked":true},{"id":132767,"name":"1st Yeonwoo-Pro Open","director":{"id":661209,"username":"GomezAlvaEs","country":"es","icon":"https://user-uploads.online-go.com/f14d8df8aa0df41e539d7c00d9640806-64.png","ratings":{"version":5,"overall":{"rating":1191.4291888125815,"deviation":66.40775072696641,"volatility":0.059953107510029906}},"ranking":18.971670433840064,"professional":false,"ui_class":""},"description":"Celebrating the comeback to this group activities, we welcome the 1st Yeonwoo-Pro Open.\n\nPlease join and enjoy :D","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":42,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":1500,"period_time":30,"periods":3},"is_open":true,"exclude_provisional":true,"group":{"id":8313,"name":"Yeonwoo-pro Official Fan Club","summary":"Korean baduk professional Yeonwoo fan club.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":136,"icon":"https://user-uploads.online-go.com/fbad9076f90747ac145923b496b6022a-64.png"},"auto_start_on_max":false,"time_start":"2025-09-25T19:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-09-27T07:27:28.782538Z","ended":"2025-09-27T08:20:54.136239Z","start_waiting":"2025-09-27T07:27:28.698525Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/fbad9076f90747ac145923b496b6022a-15.png","player_count":4,"ranked":true}]}