{"count":60948,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=2074","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=2072","results":[{"id":44050,"name":"Blitz 19x19 Elimination Tournament 2018-12-26 21:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260906T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-09-06T05:00:33.006465Z","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":"2026-09-06T09:00:00Z","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":"2018-12-26T21:30:30.210885Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2018-12-26T21:31:32.413042Z","ended":"2018-12-26T21:55:05.792381Z","start_waiting":"2018-12-26T21:31:32.046909Z","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":44058,"name":"Blitz 19x19 Elimination Tournament 2018-12-27 05:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260906T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-09-06T05:00:33.006465Z","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":"2026-09-06T09:00:00Z","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":"2018-12-27T05:30:00.191110Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2018-12-27T05:30:02.557096Z","ended":"2018-12-27T05:41:56.157439Z","start_waiting":"2018-12-27T05:30:02.077337Z","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":43138,"name":"Correspondence 19x19 RoundRobin 2018-11-27 01:00","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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260903T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-09-03T19:00:32.804742Z","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":"2026-09-06T19:00:00Z","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":"2018-11-27T01:00:35.678682Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2018-11-27T01:01:02.773000Z","ended":"2019-01-03T23:03:27.284376Z","start_waiting":"2018-11-27T01:01:00.130561Z","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":4182,"name":"2nd Annual Go Seigen Memorial Tournament","director":{"id":33792,"username":"deleted-e8f64a4c-6d99-4c22-ae3c-aacdf16941a9","country":"zz","icon":"https://user-uploads.online-go.com/b40446e0ef59e0abf04f8ed9be5ca84b-64.png","ratings":{"version":5,"overall":{"rating":1622.3831471314238,"deviation":67.06012209323173,"volatility":0.06060078427531681}},"ranking":26.119060726576542,"professional":false,"ui_class":""},"description":"http://en.wikipedia.org/wiki/Go_Seigen","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":39,"name":"Canadian Go Players","summary":"Canadian Go Association","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":562,"icon":"https://user-uploads.online-go.com/373619b6c62ec2b70befaca77c9af1fa-64.png"},"auto_start_on_max":true,"time_start":"2015-11-30T16:12:00Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-07-18T08:51:54.795309Z","ended":"2020-04-20T13:46:22.690032Z","start_waiting":"2015-07-18T08:51:51.011480Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/373619b6c62ec2b70befaca77c9af1fa-15.png","player_count":203,"ranked":true},{"id":44467,"name":"The \"I couldn't find better settings\" mini-tournament","director":{"id":27056,"username":"Leira","country":"cr","icon":"https://user-uploads.online-go.com/edefc4995500223832e03c2af5a12200-64.png","ratings":{"version":5,"overall":{"rating":1808.4980852405,"deviation":66.29596112144786,"volatility":0.060125400530008956}},"ranking":28.63316385052716,"professional":false,"ui_class":""},"description":"## <p style=\"color:red\">You _can_ enter this tournament!!!</p>\n\nYou only need to answer any of these two questions:\n\n * **For 1 _brownie point_**: What is the oldest internet go server.\n * **For 50 _brownie points_**: What is the oldest OGS account.\n\nSend <a href=\"https://online-go.com/player/27056/\">me</a> a message with your answer.","schedule":null,"title":null,"tournament_type":"roundrobin","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":1098,"name":"One Arbitrary Group","summary":"Miscellaneous puzzles and games. Just because it's arbitrary doesn't mean it's random.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":31,"icon":"https://user-uploads.online-go.com/233e87cf5e598d941819eae1219f009f-64.png"},"auto_start_on_max":false,"time_start":"2019-01-16T05:59:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":24,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-01-16T06:00:03.921624Z","ended":"2019-06-24T07:12:26.771168Z","start_waiting":"2019-01-16T05:59:58.918571Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/233e87cf5e598d941819eae1219f009f-15.png","player_count":6,"ranked":true},{"id":64673,"name":"Blitz 19x19 Elimination Tournament 2020-08-24 13:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260906T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-09-06T05:00:33.006465Z","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":"2026-09-06T09:00:00Z","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":"2020-08-24T13:30:06.446178Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-08-24T13:30:07.964456Z","ended":"2020-08-24T14:20:34.293712Z","start_waiting":"2020-08-24T13:30:07.680199Z","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":49754,"name":"Blitz 19x19 Elimination Tournament 2019-06-29 01:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260906T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-09-06T05:00:33.006465Z","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":"2026-09-06T09:00:00Z","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":"2019-06-29T01:30:48.136981Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2019-06-29T01:30:50.302184Z","ended":"2019-06-29T02:07:57.365556Z","start_waiting":"2019-06-29T01:30:49.764641Z","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":44713,"name":"Blitz 19x19 Elimination Tournament 2019-01-16 13:30","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260906T050000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-09-06T05:00:33.006465Z","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":"2026-09-06T09:00:00Z","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":"2019-01-16T13:30:05.932835Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2019-01-16T13:30:08.350584Z","ended":"2019-01-16T13:39:52.342166Z","start_waiting":"2019-01-16T13:30:07.703358Z","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":61948,"name":"Fast Correspondence 2020-06-22","director":{"id":784,"username":"mlopezviedma","country":"ar","icon":"https://user-uploads.online-go.com/3e911828e4e25e61f8faede9d9277323-64.png","ratings":{"version":5,"overall":{"rating":1565.3025605467633,"deviation":62.5600368754355,"volatility":0.05974752539437922}},"ranking":25.28989689842238,"professional":false,"ui_class":"supporter moderator"},"description":"Please avoid delaying your games: plan to not take vacation until your tournament participation is finished.\n\nAnalysis is enabled to allow the use of conditional moves.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":30720,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":28800,"initial_time":172800,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":508,"name":"Fast Correspondence","summary":"Tournaments for people who like to play quick correspondence games.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":831,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"},"auto_start_on_max":false,"time_start":"2020-06-22T00:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-06-22T00:00:07.163359Z","ended":"2020-07-30T18:21:00.751547Z","start_waiting":"2020-06-22T00:00:02.744528Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":10,"ranked":true},{"id":31307,"name":"Open tournament","director":{"id":94239,"username":"Tranquil","country":"ru","icon":"https://user-uploads.online-go.com/f47b0eccaf470cc69e0ffb7e08510237-64.png","ratings":{"version":5,"overall":{"rating":1315.1242561690924,"deviation":61.55498998754493,"volatility":0.05971135884231107}},"ranking":21.258371110950627,"professional":false,"ui_class":""},"description":"For all","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"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":904,"name":"Sochi","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":18,"icon":"https://user-uploads.online-go.com/c92c1c242ab9cb3d4a090255ebad1f0e-64.png"},"auto_start_on_max":false,"time_start":"2017-12-02T08:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2017-12-02T08:00:59.707016Z","ended":"2020-08-05T04:55:53.563770Z","start_waiting":"2017-12-02T08:00:55.344244Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/c92c1c242ab9cb3d4a090255ebad1f0e-15.png","player_count":50,"ranked":true}]}