{"count":59409,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=player_count&page=4769","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=player_count&page=4767","results":[{"id":135225,"name":"Southampton Dec2025 13x13 Tournament v4","director":{"id":1350621,"username":"SMS-Mr.d","country":"us","icon":"https://user-uploads.online-go.com/a37a10b28a4630ef53f62c17e567cca7-64.png","ratings":{"version":5,"overall":{"rating":1087.6431665845494,"deviation":61.776335264617884,"volatility":0.05998629219958402}},"ranking":16.861768721103054,"professional":false,"ui_class":""},"description":"Southampton Dec2025 13x13 Tournament","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":7,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"rapid","pause_on_weekends":false,"time_increment":6,"initial_time":30,"max_time":45},"is_open":true,"exclude_provisional":false,"group":{"id":14789,"name":"Southampton Middle School Go Club","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":true,"hide_details":true,"member_count":15,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2025-12-10T20:09:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-12-10T20:09:42.725538Z","ended":"2025-12-10T20:10:45.754226Z","start_waiting":"2025-12-10T20:09:41.995192Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":134900,"name":"19x19 Open League #111","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1357.1348379116837,"deviation":67.2035710014903,"volatility":0.06020465154221762}},"ranking":21.98631332494487,"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":70,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-12-14T22:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-09T10:28:40.415543Z","ended":null,"start_waiting":"2025-12-09T10:28:39.788385Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":130734,"name":"⚫第1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 first \"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":604800},"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":"2025-08-31T17:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2025-07-27T16:50:48.457806Z","ended":"2025-12-07T19:49:47.090007Z","start_waiting":"2025-07-27T16:50:47.885430Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8728411c45ad288e3eee88847d2b1d0e-15.png","player_count":10,"ranked":true},{"id":134906,"name":"Handicap Arena 2025 - 099","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1047.751568036602,"deviation":63.98747462726221,"volatility":0.06007316520805921}},"ranking":15.996731506232393,"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":105,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-12-07T22:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-07T13:48:41.284877Z","ended":null,"start_waiting":"2025-12-07T13:48:40.628674Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":10,"ranked":true},{"id":134546,"name":"December '25","director":{"id":1428764,"username":"里没那猫","country":"xa","icon":"https://secure.gravatar.com/avatar/977ecd2583e5bcd1d28811ff73a57258?s=64&d=retro","ratings":{"version":5,"overall":{"rating":948.0991559339307,"deviation":64.38640954264335,"volatility":0.05994181515166892}},"ranking":13.683058192756405,"professional":false,"ui_class":""},"description":"A spiritual sucessor to August '25","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":true,"group":{"id":14214,"name":"Go game group","summary":"здесь мы все можем обсуждать партии ,турниры ,делать турниры ,общаться и просто веселиться\n","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://user-uploads.online-go.com/f57595b6c88b3a508a4df44e62742ec7-64.png"},"auto_start_on_max":true,"time_start":"2025-12-16T00:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-04T18:59:38.450917Z","ended":null,"start_waiting":"2025-12-04T18:59:37.578774Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/f57595b6c88b3a508a4df44e62742ec7-15.png","player_count":10,"ranked":true},{"id":132462,"name":"19x19 Open League #101","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1357.1348379116837,"deviation":67.2035710014903,"volatility":0.06020465154221762}},"ranking":21.98631332494487,"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":70,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-09-21T21:05:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-09-21T20:53:43.873125Z","ended":"2025-12-04T18:30:04.704803Z","start_waiting":"2025-09-21T20:53:43.132276Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":130339,"name":"Handicap Arena 2025 - 057","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1047.751568036602,"deviation":63.98747462726221,"volatility":0.06007316520805921}},"ranking":15.996731506232393,"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":105,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-07-15T17:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-07-14T19:45:59.156029Z","ended":"2025-12-02T15:42:14.138888Z","start_waiting":"2025-07-14T19:45:58.580729Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":10,"ranked":true},{"id":126796,"name":"Handicap Arena 2025 - 021","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1047.751568036602,"deviation":63.98747462726221,"volatility":0.06007316520805921}},"ranking":15.996731506232393,"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":105,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-03-28T18:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-03-27T05:16:04.636919Z","ended":"2025-11-25T18:55:57.133517Z","start_waiting":"2025-03-27T05:16:04.127549Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":10,"ranked":true},{"id":134605,"name":"Handicap Arena 2025 - 095","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1047.751568036602,"deviation":63.98747462726221,"volatility":0.06007316520805921}},"ranking":15.996731506232393,"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":105,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-11-24T17:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-11-24T16:31:27.627086Z","ended":null,"start_waiting":"2025-11-24T16:31:26.641461Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":10,"ranked":true},{"id":134434,"name":"19x19 Open League #109","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1357.1348379116837,"deviation":67.2035710014903,"volatility":0.06020465154221762}},"ranking":21.98631332494487,"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":70,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-11-23T22:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-11-22T17:08:47.600195Z","ended":null,"start_waiting":"2025-11-22T17:08:46.951329Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true}]}