{"count":59373,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=4703","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=4701","results":[{"id":103331,"name":"OST - Olympic System Tournament","director":{"id":1033608,"username":"NetCat","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/013a769c858b338916b473d8298930be?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1406.6650193080409,"deviation":70.55993802829255,"volatility":0.06003444046653894}},"ranking":22.81614654991628,"professional":false,"ui_class":""},"description":"Tournaments are held every Saturday\n\nJoin the OST community (^-^)","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":91187,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":11969,"name":"OST GO","summary":"For Olympic tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":54,"icon":"https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-64.png"},"auto_start_on_max":false,"time_start":"2023-07-22T14:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-07-22T14:00:49.811513Z","ended":"2025-08-15T13:59:48.999261Z","start_waiting":"2023-07-22T14:00:49.498829Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/2510b06e500642c98f1a27be3aea35d9-15.png","player_count":26,"ranked":true},{"id":41459,"name":"Correspondence 19x19 RoundRobin 2018-10-04 01:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260415T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-15T19:00:55.986580Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":10},"next_run":"2026-04-18T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2018-10-04T01:00:12.560656Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2018-10-04T01:00:44.752973Z","ended":"2018-11-16T15:42:16.259811Z","start_waiting":"2018-10-04T01:00:43.366891Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":5,"ranked":true},{"id":41914,"name":"Correspondence 9x9 RoundRobin 2018-10-18 01:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260414T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-14T19:00:56.031508Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":9,"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":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":10},"next_run":"2026-04-17T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"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":"2018-10-18T01:00:49.448202Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2018-10-18T01:01:19.234230Z","ended":"2018-11-17T19:11:36.661303Z","start_waiting":"2018-10-18T01:01:17.917725Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":6,"ranked":true},{"id":135137,"name":"แข่ง ุุ 6 คน","director":{"id":564908,"username":"Sarawoot Kanya","country":"th","icon":"https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png","ratings":{"version":5,"overall":{"rating":1447.290260342702,"deviation":65.68510695068778,"volatility":0.06068621375607203}},"ranking":23.475258391122175,"professional":false,"ui_class":""},"description":"แต้มต่อ 6.5","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":21,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"rapid","pause_on_weekends":false,"main_time":300,"period_time":10,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":14733,"name":"ศรีสังวาลย์","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":32,"icon":"https://user-uploads.online-go.com/77a325d663f63d21c325d52de886e9e2-64.png"},"auto_start_on_max":false,"time_start":"2025-12-08T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-12-08T07:59:13.637321Z","ended":"2025-12-08T08:22:48.561114Z","start_waiting":"2025-12-08T07:59:13.545471Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/77a325d663f63d21c325d52de886e9e2-15.png","player_count":6,"ranked":true},{"id":127221,"name":"the first tournament by the MRGO66 channel","director":{"id":539961,"username":"Mr Go 66","country":"ma","icon":"https://user-uploads.online-go.com/26c2b0590288e57d242dda392795ab97-64.png","ratings":{"version":5,"overall":{"rating":1469.75096367169,"deviation":62.27509643066717,"volatility":0.05861182384390297}},"ranking":23.831767276857313,"professional":false,"ui_class":""},"description":"اول دوري من قناة \nMRGO66\nأتمنى لكم مباراة ممتعة","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":523187,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":false,"main_time":604800,"period_time":518400,"periods":1},"is_open":true,"exclude_provisional":true,"group":{"id":3693,"name":"MrGo66","summary":"• YouTube channel where you can learn the basics of the game of Go, advanced bases, tsumego but also comments of parts.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":16,"icon":"https://user-uploads.online-go.com/26c2b0590288e57d242dda392795ab97-64.png"},"auto_start_on_max":false,"time_start":"2025-04-15T10:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-15T10:00:15.286558Z","ended":"2025-07-24T10:31:04.181305Z","start_waiting":"2025-04-15T10:00:15.140632Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/26c2b0590288e57d242dda392795ab97-15.png","player_count":14,"ranked":true},{"id":34744,"name":"Best Of Ten 3","director":{"id":478487,"username":"DiMantis","country":"_CIS","icon":"https://user-uploads.online-go.com/7cab43f17a4053230ca89df265a58b3c-64.png","ratings":{"version":5,"overall":{"rating":1402.5887027898425,"deviation":61.62727557192232,"volatility":0.05998911812095254}},"ranking":22.748963729878646,"professional":false,"ui_class":""},"description":"Tournament for fans of the game with a handicap. The competition will begin after filling all the seats.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":87360,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":86400,"max_time":259200,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":2170,"name":"Serenity","summary":"When wisdom comes and ambitions go away, only pure enjoyment of the game remains.","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":48,"icon":"https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-64.png"},"auto_start_on_max":true,"time_start":"2018-02-21T06:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2018-02-23T15:18:33.166253Z","ended":"2018-11-12T20:26:41.040785Z","start_waiting":"2018-02-23T15:18:27.487209Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-15.png","player_count":10,"ranked":true},{"id":83601,"name":"9x9 12 ธันวาคม","director":{"id":564908,"username":"Sarawoot Kanya","country":"th","icon":"https://user-uploads.online-go.com/b6481afb00bf1ffc14aefec9418093c9-64.png","ratings":{"version":5,"overall":{"rating":1447.290260342702,"deviation":65.68510695068778,"volatility":0.06068621375607203}},"ranking":23.475258391122175,"professional":false,"ui_class":""},"description":"9x9 12 ธันวาคม","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":93120,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":604800,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":5893,"name":"Go Family","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":149,"icon":"https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-64.png"},"auto_start_on_max":false,"time_start":"2021-12-12T04:10:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-12-12T04:10:20.234392Z","ended":"2021-12-12T04:24:59.990139Z","start_waiting":"2021-12-12T04:10:20.098476Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/69dc5c9576b388c1fc86c857114ab798-15.png","player_count":4,"ranked":true},{"id":41751,"name":"Sorayaphothong","director":{"id":565893,"username":"SorayaPhothong","country":"un","icon":"https://secure.gravatar.com/avatar/6cf050a1b2ceb2e78f3efd0b2c5607e2?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1198.1551370796124,"deviation":74.01776546815817,"volatility":0.059990049013156584}},"ranking":19.101991102493148,"professional":false,"ui_class":""},"description":"Good hhjitfvhiutrcjknnllphv","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":2976,"name":"Pktbp1011","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2018-10-12T19:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-10-14T08:17:49.960171Z","ended":"2019-01-13T04:19:59.963362Z","start_waiting":"2018-10-14T08:17:49.622356Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":14043,"name":"Correspondence 13x13 RoundRobin 2016-01-13 01:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260416T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-04-16T19:00:57.227717Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":13,"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":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":10},"next_run":"2026-04-19T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2016-01-13T01:00:56.946559Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-01-13T01:01:16.336040Z","ended":"2016-03-01T01:58:12.033800Z","start_waiting":"2016-01-13T01:01:15.385464Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":9,"ranked":true},{"id":100831,"name":"Mid-speed Match (9x9) #2","director":{"id":1303195,"username":"eaglejoy","country":"001","icon":"https://user-uploads.online-go.com/d4b7c1948ffe6ed5f80f075d40a13547-64.png","ratings":{"version":5,"overall":{"rating":1814.5278273894323,"deviation":67.29577928717005,"volatility":0.05999029476123887}},"ranking":28.710220246475455,"professional":false,"ui_class":""},"description":"<h2>Additional rules</h2>\n\n1. Delaying tactics are not allowed.\n\n2. AI/robot is not allowed.\n\n3. The Rank Restriction based on the Correspondence 9x9 rank rather than the overall rank. And 4 kyu and below means not higher than 3.1 kyu.\n<h2>Attention</h2>\n<h3>Speed and Time-out</h3>\nKeep in mind that the avg speed of one game is 2.5 moves per 24 hrs.\nSince the Round Robin will activate several matches at the same time, for a match with five players, the avg speed is 10 moves per 24hrs.\nTo avoid losing by time-out, the safe way is to play fast than the avg speed (and consider the time zone issue).\nLoss by time out will affect your valuation in this Match system -such as disqualification and/or demotion to a lower level.\n<h2>Tips</h2>\n<ul>\n<li>If you are not familiar with Absolute time control, you may do some practice in a friendship game (ranked or unranked). </li>\n<li>Use <strong>Plan Conditional Moves</strong> to speed up</li>\n<li>Communicate with your opponent if necessary.</li>\n</ul>\n\n<hr>\n\n<ul>\n\n<li><a href=\"https://online-go.com/tournament/100700\">Previous tournament</a></li>\n\n<li><a href=\"https://online-go.com/tournament/100974\">Next tournament</a></li>\n\n</ul>","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":21333,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":12936,"name":"Mid-speed","summary":"Middle speed matches, not so hurry, not so slow.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":21,"icon":"https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-64.png"},"auto_start_on_max":true,"time_start":"2023-03-20T04:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":18,"max_ranking":26,"analysis_enabled":true,"exclusivity":"open","started":"2023-03-13T12:15:25.099361Z","ended":"2023-03-28T09:57:45.935711Z","start_waiting":"2023-03-13T12:15:24.863039Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/beac7517f2a38056032aeec2064d3ace-15.png","player_count":5,"ranked":true}]}