{"count":59372,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=4178","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=4176","results":[{"id":48539,"name":"Blitz 19x19 Elimination Tournament 2019-05-18 21:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260417T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-04-17T13:00:56.314928Z","lead_time_seconds":1800,"tournament_type":"elimination","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":100},"next_run":"2026-04-17T17:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":11,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2019-05-18T21:30:59.996936Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2019-05-18T21:31:02.448521Z","ended":"2019-05-18T21:55:09.810349Z","start_waiting":"2019-05-18T21:31:02.036562Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":4,"ranked":true},{"id":39615,"name":"sea summer tournament","director":{"id":227608,"username":"regina25","country":"ro","icon":"https://user-uploads.online-go.com/3e23795d8861755cce201d22141f109a-64.png","ratings":{"version":5,"overall":{"rating":866.6311561382414,"deviation":65.609664909558,"volatility":0.059283749849778807}},"ranking":11.603131838879836,"professional":false,"ui_class":""},"description":"sea summer tournament","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":2471,"name":"[NEW ADMINISTRATORS]","summary":"[25-15k] This group is reserved for European beginners.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":81,"icon":"https://user-uploads.online-go.com/1d47f636cfa91703d5cba928c061e197-64.png"},"auto_start_on_max":false,"time_start":"2018-08-03T10:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-08-03T10:00:40.922521Z","ended":"2019-08-21T12:13:30.654797Z","start_waiting":"2018-08-03T10:00:40.096720Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/1d47f636cfa91703d5cba928c061e197-15.png","player_count":12,"ranked":true},{"id":53021,"name":"Blitz 19x19 Elimination Tournament 2019-10-17 17:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260417T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-04-17T13:00:56.314928Z","lead_time_seconds":1800,"tournament_type":"elimination","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":100},"next_run":"2026-04-17T17:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":11,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2019-10-17T17:30:19.436239Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2019-10-17T17:30:24.942845Z","ended":"2019-10-17T17:57:59.917708Z","start_waiting":"2019-10-17T17:30:24.014102Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":7,"ranked":true},{"id":13821,"name":"Correspondence 19x19 Swiss 2016-01-05 17:00","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":null,"title":null,"tournament_type":"swiss","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":"2016-01-05T17:00:52.299027Z","players_start":10,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-01-05T17:01:05.869655Z","ended":"2019-05-30T11:31:56.373414Z","start_waiting":"2016-01-05T17:01:05.277244Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":41,"ranked":true},{"id":47436,"name":"Correspondence 19x19 RoundRobin 2019-04-14 19:00","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":"2019-04-14T19:00:27.698687Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-04-14T19:01:02.635246Z","ended":"2019-09-13T20:51:12.325746Z","start_waiting":"2019-04-14T19:00:59.527523Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":47445,"name":"1st Annual 420 Stoned Go Club Tournament","director":{"id":351812,"username":"Comrade SeeRed","country":"_United_Federation_of_Planets","icon":"https://user-uploads.online-go.com/521a647702b40991e391076550b6ad88-64.png","ratings":{"version":5,"overall":{"rating":1372.0631506874806,"deviation":64.87804349370514,"volatility":0.059889166017951134}},"ranking":22.23957006107964,"professional":false,"ui_class":""},"description":"Remember: playing sober is frowned upon. Have fun!","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":1119,"name":"Stoned Go","summary":"A group for stoners who play stones whiled stoned.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":10,"icon":"https://user-uploads.online-go.com/3189ed15c3bc3d410c011db0ea0fd43b-64.png"},"auto_start_on_max":false,"time_start":"2019-04-20T04:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-04-20T04:00:15.548387Z","ended":"2020-01-30T15:41:47.188137Z","start_waiting":"2019-04-20T04:00:14.950441Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/3189ed15c3bc3d410c011db0ea0fd43b-15.png","player_count":12,"ranked":true},{"id":45710,"name":"1st Continental Go World Cup-Final Phase: Category 19-15k","director":{"id":48251,"username":"Mitsunari","country":"fr","icon":"https://user-uploads.online-go.com/255f362392d68eb9c9f4cacbae4ff907-64.png","ratings":{"version":5,"overall":{"rating":1586.4168117326853,"deviation":64.98850952687688,"volatility":0.060312781816786495}},"ranking":25.60007821207613,"professional":false,"ui_class":""},"description":"Hello,\n\nThe winner of this tournament will be our 1st World Champion: Category 19-15k. Do your best and have fun :)","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":59520,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":172800,"max_time":259200,"time_increment":57600,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":2514,"name":"Continental and World Go Cups Group","summary":"You want to become World Champion or a Continental champion? Join us :)","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":526,"icon":"https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-64.png"},"auto_start_on_max":true,"time_start":"2019-06-29T22:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2019-06-18T07:31:30.102064Z","ended":"2019-07-17T23:30:32.160271Z","start_waiting":"2019-06-18T07:31:29.490922Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/c1c2b263d212f80b7dfe72721f68c8e4-15.png","player_count":4,"ranked":true},{"id":58290,"name":"Blitz 19x19 Elimination Tournament 2020-03-31 21:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260417T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-04-17T13:00:56.314928Z","lead_time_seconds":1800,"tournament_type":"elimination","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":100},"next_run":"2026-04-17T17:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":11,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-03-31T21:30:12.912716Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-03-31T21:30:16.283147Z","ended":"2020-03-31T22:19:21.839749Z","start_waiting":"2020-03-31T21:30:14.216834Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":9,"ranked":true},{"id":57715,"name":"Blitz 19x19 Elimination Tournament 2020-03-19 21:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260417T130000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-04-17T13:00:56.314928Z","lead_time_seconds":1800,"tournament_type":"elimination","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":100},"next_run":"2026-04-17T17:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":11,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":120,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-03-19T21:30:10.982734Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-03-19T21:31:12.634401Z","ended":"2020-03-19T22:30:59.180694Z","start_waiting":"2020-03-19T21:31:12.204785Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":6,"ranked":true},{"id":47669,"name":"May smallboard 9","director":{"id":467165,"username":"MummRa","country":"us","icon":"https://user-uploads.online-go.com/68359dab5164ddcdffa8ad4ca0699079-64.png","ratings":{"version":5,"overall":{"rating":1247.96548084978,"deviation":64.85752922715939,"volatility":0.06002061271498367}},"ranking":20.044928150690506,"professional":false,"ui_class":""},"description":"Monthly winners will be invited to yearly championship game.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"aga","time_per_move":87840,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":129600,"max_time":259200,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":306,"name":"Michigan Go Players","summary":"For Players from all over Michigan","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":88,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2019-05-16T02:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2019-05-16T20:33:33.556679Z","ended":"2019-06-14T18:56:51.969855Z","start_waiting":"2019-05-16T20:33:32.733220Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true}]}