{"count":59584,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-players_start&page=421","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-players_start&page=419","results":[{"id":123924,"name":"Handicap Arena 2025 - 003","director":{"id":2408,"username":"richyfourtytwo","country":"de","icon":"https://user-uploads.online-go.com/8482108492340cf4f2021653180eb741-64.png","ratings":{"version":5,"overall":{"rating":1542.8586058916221,"deviation":65.28346783832163,"volatility":0.05973705695328037}},"ranking":24.955559936203496,"professional":false,"ui_class":""},"description":"Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (5 or 10 players).","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":88451,"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":13655,"name":"Handicap Arena","summary":"Organising arena-type handicap correspondence tournaments.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":106,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-01-12T11:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-01-10T12:45:00.374019Z","ended":"2025-04-08T15:23:15.719134Z","start_waiting":"2025-01-10T12:44:59.593365Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":10,"ranked":true},{"id":98046,"name":"Correspondence Weekly McMahon 19x19 2022-12-24 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:20260504T170000Z\nRRULE:FREQ=WEEKLY","active":true,"created":"2015-12-16T02:22:56.480465Z","last_run":"2026-05-04T17:00:49.046396Z","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":"2026-05-11T17:00:00Z","base_points":"30.0"},"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":88451,"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":"2022-12-24T17:00:37.948494Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2022-12-24T17:01:40.457185Z","ended":"2025-02-07T17:21:52.521366Z","start_waiting":"2022-12-24T17:01:36.534120Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":25,"ranked":true},{"id":7945,"name":"Crazy B&W Stones - 1st Tournament","director":{"id":136730,"username":"Katriel","country":"ar","icon":"https://user-uploads.online-go.com/c8c0e30471ddd522436a2cd3b6f18d9f-64.png","ratings":{"version":5,"overall":{"rating":1536.8505126588477,"deviation":61.36971260432115,"volatility":0.06001522082016926}},"ranking":24.86523482468514,"professional":false,"ui_class":""},"description":"Every 20-15k player in OGS is welcome.\n\nThe main goal of this tournament is to bring (not so) beginners together and to make them learn from each other in a competitive environment.\n\nExperience shows that many participants don't show up on the day of the tournament. So, please spread the word and invite players from your contact list and study groups.\n\nHave fun!","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":65,"time_control_parameters":{"time_control":"byoyomi","period_time":60,"main_time":480,"periods":3},"is_open":true,"exclude_provisional":true,"group":{"id":43,"name":"Kyu Level Study Group","summary":"A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8885,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"},"auto_start_on_max":false,"time_start":"2015-06-14T18:30:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":10,"max_ranking":15,"analysis_enabled":false,"exclusivity":"open","started":"2015-06-14T18:30:53.214663Z","ended":"2015-06-14T20:14:51.373378Z","start_waiting":"2015-06-14T18:30:52.920458Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png","player_count":15,"ranked":true},{"id":51810,"name":"Reg Cor. 9x9 10player R-Robin. Starts when full. Sep'19rC","director":{"id":497519,"username":"Kosh-retired","country":"_Lord_Howe_Island","icon":"https://secure.gravatar.com/avatar/39dc5f9ee81b8243d315c8c729844456?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1574.954785564748,"deviation":61.40997215047312,"volatility":0.060088015249815864}},"ranking":25.432209892698047,"professional":false,"ui_class":""},"description":"---\n- STARTS WHEN FULL & Does NOT pause on the weekend.\n\n- Just one round. Ten players, nine games, Chinese Rules/Scoring.\n\n- If this suits you then, Bonne Partie :)\n\n- Note: Provisional players allowed & welcome.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":432000},"is_open":true,"exclude_provisional":false,"group":{"id":2014,"name":"The Nines 9x9 ","summary":"9x9 Go!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":373,"icon":"https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-64.png"},"auto_start_on_max":true,"time_start":"2019-09-16T12:59:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-09-18T07:46:45.486884Z","ended":"2019-10-03T04:23:53.968918Z","start_waiting":"2019-09-18T07:46:39.556832Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/809b7c04dc9f8a7b416cd2c50a71dc90-15.png","player_count":10,"ranked":true},{"id":126575,"name":"Handicap Arena 2025 - 019","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1077.7610819445333,"deviation":64.33073886772479,"volatility":0.060067367314019605}},"ranking":16.6504715946996,"professional":false,"ui_class":"supporter"},"description":"Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 players).","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":88451,"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":13655,"name":"Handicap Arena","summary":"Organising arena-type handicap correspondence tournaments.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":106,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-03-24T11:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-03-23T02:15:56.898368Z","ended":"2025-10-28T19:27:28.946295Z","start_waiting":"2025-03-23T02:15:56.342880Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":10,"ranked":true},{"id":127378,"name":"19x19 Open League #83","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1282.8288133742874,"deviation":69.33088641872511,"volatility":0.060206079986114526}},"ranking":20.68278102460565,"professional":false,"ui_class":""},"description":"Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"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":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":72,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-04-20T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-18T13:45:23.475291Z","ended":"2025-09-15T05:41:57.366302Z","start_waiting":"2025-04-18T13:45:22.934945Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":112396,"name":"19x19 Open League #45","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1282.8288133742874,"deviation":69.33088641872511,"volatility":0.060206079986114526}},"ranking":20.68278102460565,"professional":false,"ui_class":""},"description":"Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"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":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":72,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2024-02-18T22:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-02-18T08:35:05.163016Z","ended":"2024-05-07T02:16:24.660555Z","start_waiting":"2024-02-18T08:35:04.506491Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":24601,"name":"Tournament 29","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":"This is a tournament is for double digit kyu level players. Enjoy!","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":93120,"time_control_parameters":{"time_control":"fischer","initial_time":604800,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"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":"2017-02-28T21:49:00Z","players_start":10,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":20,"analysis_enabled":true,"exclusivity":"group","started":"2017-02-28T21:49:13.517543Z","ended":"2018-10-13T22:37:47.710360Z","start_waiting":"2017-02-28T21:49:06.464708Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png","player_count":15,"ranked":true},{"id":11971,"name":"Just for fun","director":{"id":191513,"username":"Zerolilpup","country":"us","icon":"https://user-uploads.online-go.com/61036791f4be1621c0cd4c3a2244e81d-64.png","ratings":{"version":5,"overall":{"rating":763.4190775904245,"deviation":100.34024835853708,"volatility":0.05999120478496051}},"ranking":8.667565287283558,"professional":false,"ui_class":""},"description":"Laugh and get to no one another","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":1260,"time_control_parameters":{"time_control":"fischer","initial_time":5400,"max_time":864000,"time_increment":1200},"is_open":true,"exclude_provisional":true,"group":{"id":43,"name":"Kyu Level Study Group","summary":"A group for kyu level players! Join, play tournaments, and have fun. Thanks for being a part of our community!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8885,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-64.png"},"auto_start_on_max":true,"time_start":"2015-11-06T19:23:00Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"group","started":"2015-11-04T22:53:37.460939Z","ended":"2015-11-04T22:53:37.444242Z","start_waiting":"2015-11-04T22:53:37.292704Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/36b3f6c2ac8b8f0da8b168b3cc142a1b-15.png","player_count":7,"ranked":true},{"id":70435,"name":"Январский турнир 19х19","director":{"id":815616,"username":"Владислав Винокуров","country":"ru","icon":"https://user-uploads.online-go.com/5fdad6222692d66211e57ebba8fcac39-64.png","ratings":{"version":5,"overall":{"rating":1780.3382343970634,"deviation":66.16059223360482,"volatility":0.0600827653311513}},"ranking":28.26986284254334,"professional":false,"ui_class":""},"description":"Удачи вам.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":444480,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":false,"main_time":1123200,"period_time":432000,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":8062,"name":"Любители игры го","summary":"Здесь я провожу разные турниры, рад новым участникам.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":47,"icon":"https://user-uploads.online-go.com/41d4de775268389735423350fdd3b100-64.png"},"auto_start_on_max":true,"time_start":"2021-01-23T17:00:00Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":10,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2021-01-24T08:19:04.808793Z","ended":"2021-10-19T21:53:57.611734Z","start_waiting":"2021-01-24T08:19:04.077713Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/41d4de775268389735423350fdd3b100-15.png","player_count":10,"ranked":true}]}