{"count":61007,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-analysis_enabled&page=2062","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-analysis_enabled&page=2060","results":[{"id":42542,"name":"Calcified Caldera - 9x9","director":{"id":480527,"username":"MystWalker","country":"_Pirate","icon":"https://secure.gravatar.com/avatar/b3b2121f9ff52cadf9207647eafe3d0d?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1386.4569958565344,"deviation":62.314891572327284,"volatility":0.060065442107528406}},"ranking":22.48116375783934,"professional":false,"ui_class":""},"description":"This is third in a series of rapid correspondence handicap tournaments. Please contact me (<a href=\"https://online-go.com/player/480527/\">MystWalker</a>) if you have any suggestions for future tournaments.\n\n<i>\"Plumes of caustic steam float over the sandstone ridges that ring the miles-wide depression. Mineral-encrusted rock formations rise from electric-aqua pools of water. The sky is bright and clear and the temperature is pleasantly warm.\"</i>","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":25645,"time_control_parameters":{"period_time":172800,"main_time":86400,"system":"canadian","pause_on_weekends":false,"time_control":"canadian","stones_per_period":7,"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":47,"icon":"https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-64.png"},"auto_start_on_max":false,"time_start":"2018-11-12T15:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-11-12T15:00:22.577134Z","ended":"2018-11-28T19:12:43.043012Z","start_waiting":"2018-11-12T15:00:21.120955Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/296c487fa334861b517b0bf1928b4ac9-15.png","player_count":4,"ranked":true},{"id":138889,"name":"Correspondence 9x9 RoundRobin 2026-04-03 19:00","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 Site-wide Tournament","schedule":{"id":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260911T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-09-11T19:00:36.178494Z","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":"2026-09-14T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"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":"2026-04-03T19:00:15.665531Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-04-03T19:00:25.869307Z","ended":"2026-06-18T14:43:32.631660Z","start_waiting":"2026-04-03T19:00:16.134474Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":143234,"name":"9x9 Open D.E. Cup #250","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1375.2150884219125,"deviation":72.78359348571703,"volatility":0.06030501557246968}},"ranking":22.292689828512486,"professional":false,"ui_class":""},"description":"Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/10842","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":95543,"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":3524,"name":"9x9 Lovers","summary":"A group for Go players who love the 9x9 board.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":715,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2026-08-23T19:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-08-20T08:22:55.509180Z","ended":null,"start_waiting":"2026-08-20T08:22:55.427308Z","board_size":9,"active_round":1,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":8,"ranked":true},{"id":11669,"name":"Tournament 11","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":"A tourney for everyone in the group. This is for members only - but anyone can be a member. Invite other players you have enjoyed as opponents, preferably active players who will keep the games moving along. But anyone who is friendly is welcome. Hope to see you over the board.","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":91200,"time_control_parameters":{"time_control":"fischer","initial_time":432000,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"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":595,"icon":"https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-64.png"},"auto_start_on_max":false,"time_start":"2015-11-01T06:59:00Z","players_start":16,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"group","started":"2015-11-01T06:59:33.200257Z","ended":"2018-11-28T21:31:09.123655Z","start_waiting":"2015-11-01T06:59:32.662056Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ad2efd8d4b51b4244ae8cf09cadbde5-15.png","player_count":20,"ranked":true},{"id":42546,"name":"Small (9X9)","director":{"id":584305,"username":"ประเทศกูมี","country":"th","icon":"https://user-uploads.online-go.com/18969ae6fbfbb401890bba701dc54019-64.png","ratings":{"version":5,"overall":{"rating":1167.5543835560698,"deviation":85.72707973661161,"volatility":0.05999735159466658}},"ranking":18.503061308691343,"professional":false,"ui_class":""},"description":"It’s just a random tournament","schedule":null,"title":null,"tournament_type":"elimination","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":false,"group":{"id":222,"name":"Low-Rating 30k's","summary":"A group so low-rating 30k's can find each other, play against each other, and beat each other. Everyone deserves an approximately 50/50 win rate.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":278,"icon":"https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-64.png"},"auto_start_on_max":true,"time_start":"2018-11-06T17:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-11-07T00:09:15.747314Z","ended":"2018-12-09T15:26:57.740594Z","start_waiting":"2018-11-07T00:09:15.083094Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/43373022b3404dee8e6d5616a14de877-15.png","player_count":4,"ranked":true},{"id":43989,"name":"Christmas Tourament","director":{"id":599241,"username":"crispinwild85","country":"gb","icon":"https://user-uploads.online-go.com/31b87dbafea182919ff948c9ddf4b105-64.png","ratings":{"version":5,"overall":{"rating":533.7798770422186,"deviation":88.9504369742572,"volatility":0.06000806588071868}},"ranking":5,"professional":false,"ui_class":""},"description":"have a good time","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":3189,"name":"Go club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":4,"icon":"https://user-uploads.online-go.com/39b34fe6582c84ffae513778e94ba37f-64.png"},"auto_start_on_max":false,"time_start":"2018-12-24T23:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-12-25T18:26:48.253570Z","ended":"2019-06-11T18:04:12.803973Z","start_waiting":"2018-12-25T18:26:48.014721Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/39b34fe6582c84ffae513778e94ba37f-15.png","player_count":4,"ranked":true},{"id":142706,"name":"9x9 Mini League 1k-9k #184","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1375.2150884219125,"deviation":72.78359348571703,"volatility":0.06030501557246968}},"ranking":22.292689828512486,"professional":false,"ui_class":""},"description":"Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"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":3524,"name":"9x9 Lovers","summary":"A group for Go players who love the 9x9 board.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":715,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2026-08-09T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2026-08-07T07:49:33.374518Z","ended":null,"start_waiting":"2026-08-07T07:49:33.258109Z","board_size":9,"active_round":1,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true},{"id":143201,"name":"test tournament","director":{"id":2019511,"username":"木星雨","country":"_LGBT","icon":"https://user-uploads.online-go.com/4c33309cc555590b3be3cf3e1dbc7ec0-64.png","ratings":{"version":5,"overall":{"rating":890.542767570936,"deviation":63.39302176030268,"volatility":0.06001036039410957}},"ranking":12.233220835264405,"professional":false,"ui_class":""},"description":"come one come all","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"chinese","time_per_move":107733,"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":16613,"name":"Jupiters group","summary":"Collection of my friends I have been introducing to Go :)","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":"2026-08-16T05:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2026-08-16T05:00:29.538768Z","ended":null,"start_waiting":"2026-08-16T05:00:29.461018Z","board_size":9,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":124493,"name":"Golden Lemon Cup - Kyu Tournament 2025","director":{"id":1212052,"username":"Outworlder","country":"_NATO","icon":"https://user-uploads.online-go.com/84cf0c406a41d56c51df2f5052044a61-64.png","ratings":{"version":5,"overall":{"rating":1508.7388348660195,"deviation":63.071418781341606,"volatility":0.059977255436065656}},"ranking":24.437860185810095,"professional":false,"ui_class":""},"description":"Welcome to the Golden Lemon Cup, a friendly and inclusive correspondence tournament for Kyu players hosted on OGS. This event is designed to bring together Go enthusiasts of all levels, from 25 Kyu to 1 Kyu, in a relaxed yet competitive setting.\n\nThe tournament aims to foster community and provide an enjoyable experience for everyone, whether you're playing to improve your skills, meet fellow Go players, or simply enjoy the timeless challenge of the game. With the McMahon format and no handicaps, players will face evenly-matched opponents in thoughtful, strategic games on the 19x19 board.\n\nWe hope this humble event offers a space to grow, learn, and share your love for Go. Thank you for joining us—may your stones find their perfect place!","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","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":14970,"name":"Golden Lemon Cup","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":13,"icon":"https://user-uploads.online-go.com/35b380c4e57d9aed71a88bfbf4f68b13-64.png"},"auto_start_on_max":false,"time_start":"2025-01-26T13:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2025-01-26T13:00:25.529961Z","ended":"2026-07-06T11:34:27.301981Z","start_waiting":"2025-01-26T13:00:22.411082Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/35b380c4e57d9aed71a88bfbf4f68b13-15.png","player_count":94,"ranked":true},{"id":143235,"name":"9x9 Mini League 10k-25k #415","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1375.2150884219125,"deviation":72.78359348571703,"volatility":0.06030501557246968}},"ranking":22.292689828512486,"professional":false,"ui_class":""},"description":"Special league for players between 25kyu and 10kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"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":3524,"name":"9x9 Lovers","summary":"A group for Go players who love the 9x9 board.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":715,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2026-08-23T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2026-08-17T14:55:11.124436Z","ended":null,"start_waiting":"2026-08-17T14:55:10.973880Z","board_size":9,"active_round":1,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"ranked":true}]}