{"count":59740,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=1610","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=1608","results":[{"id":60918,"name":"Small Board Challenge II","director":{"id":697149,"username":"deleted-57394cd2-c7b2-41c3-9e0b-1d116d71ec17","country":"se","icon":"https://user-uploads.online-go.com/2d41f0fc65fb65cf386d8f5534a6d163-64.png","ratings":{"version":5,"overall":{"rating":1665.2715388700315,"deviation":71.21323820073493,"volatility":0.0598806998975717}},"ranking":26.723091679426847,"professional":false,"ui_class":""},"description":"Unfortunately only 19x19.","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":4730,"name":"Large Board","summary":"21x21, 23x23, et c.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":187,"icon":"https://user-uploads.online-go.com/da8d6f54150e5569ede4d0565e64d3cc-64.png"},"auto_start_on_max":false,"time_start":"2020-06-12T15:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-06-12T15:00:27.594224Z","ended":"2021-01-27T11:42:24.513590Z","start_waiting":"2020-06-12T15:00:26.632340Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/da8d6f54150e5569ede4d0565e64d3cc-15.png","player_count":12,"ranked":true},{"id":20767,"name":"Blitz 19x19 Elimination Tournament 2016-09-18 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:20260524T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-24T09:00:16.365362Z","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":"2026-05-24T13:00:00Z","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":"2016-09-18T13:30:39.528403Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-09-18T13:30:41.700215Z","ended":"2016-09-18T14:16:34.256778Z","start_waiting":"2016-09-18T13:30:41.288712Z","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":1755,"name":"crizzly's mini-tournament","director":{"id":3491,"username":"crizzly","country":"de","icon":"https://secure.gravatar.com/avatar/667431622ed6e002950c307ce108c3e8?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1468.7584835301914,"deviation":65.6427261486988,"volatility":0.0599791843917617}},"ranking":23.816129473704265,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":432000,"max_time":864000,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2012-04-25T09:03:53Z","ended":"2012-04-25T07:03:53Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":18494,"name":"Blitz 19x19 Elimination Tournament 2016-06-24 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:20260524T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-24T09:00:16.365362Z","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":"2026-05-24T13:00:00Z","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":"2016-06-24T01:30:15.864652Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-06-24T01:30:17.462884Z","ended":"2016-06-24T01:53:49.404139Z","start_waiting":"2016-06-24T01:30:17.376555Z","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":1754,"name":"johnkelly's mini-tournament","director":{"id":31684,"username":"johnkelly","country":"pl","icon":"https://secure.gravatar.com/avatar/64843f96a2c892964306d188a25753f3?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1365.259772629646,"deviation":67.77574780025066,"volatility":0.05987752699667684}},"ranking":22.124495200892813,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2012-07-24T23:13:35Z","ended":"2012-07-24T21:13:35Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":27586,"name":"Taiwanese","director":{"id":348886,"username":"nicodaisuki","country":"tw","icon":"https://user-uploads.online-go.com/694a06c83a5d6994819e6524d57b4f13-64.png","ratings":{"version":5,"overall":{"rating":1724.605004636006,"deviation":65.88111689435804,"volatility":0.06003268569255853}},"ranking":27.533569588846934,"professional":false,"ui_class":""},"description":"Taiwan is a country!","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"chinese","time_per_move":2419200,"time_control_parameters":{"time_control":"simple","speed":"correspondence","system":"simple","pause_on_weekends":false,"per_move":2419200},"is_open":true,"exclude_provisional":true,"group":{"id":1144,"name":"Taiwanese","summary":"Mostly Taiwanese!\n\nlet us know if you want to be admin. Please take great care, thank you!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":182,"icon":"https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-64.png"},"auto_start_on_max":true,"time_start":"2017-07-02T01:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":20,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2017-07-02T01:00:36.197529Z","ended":"2020-10-05T19:13:45.903236Z","start_waiting":"2017-07-02T01:00:35.982488Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/fe3a174d07946483a6050a9acfa63393-15.png","player_count":6,"ranked":true},{"id":16828,"name":"Correspondence 19x19 RoundRobin 2016-04-23 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:20260521T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-05-21T19:00:16.095321Z","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":"2026-05-24T19:00:00Z","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":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2016-04-23T01:00:23.994541Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-04-23T01:00:43.706624Z","ended":"2016-06-24T04:36:54.837074Z","start_waiting":"2016-04-23T01:00:42.743831Z","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":1773,"name":"hansdeutz's mini-tournament no. 5","director":{"id":30098,"username":"hansdeutz","country":"de","icon":"https://user-uploads.online-go.com/dec92a2822cc33c81329c1ea48916dca-64.png","ratings":{"version":5,"overall":{"rating":1241.867456903342,"deviation":62.40546272413399,"volatility":0.05938717726469705}},"ranking":19.93153135648371,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":383,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":15,"max_ranking":19,"analysis_enabled":false,"exclusivity":"open","started":"2012-05-20T06:35:58Z","ended":"2012-05-20T04:35:58Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":18379,"name":"Live 19x19 Swiss Tournament 2016-06-19 16:30","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":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260524T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-05-24T08:00:16.354985Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-05-24T12:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":36,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2016-06-19T16:30:13.917061Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-06-19T16:30:15.501544Z","ended":"2016-06-19T18:09:01.408840Z","start_waiting":"2016-06-19T16:30:15.329270Z","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":18380,"name":"Blitz 19x19 Elimination Tournament 2016-06-19 17:30","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:20260524T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-24T09:00:16.365362Z","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":"2026-05-24T13:00:00Z","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":"2016-06-19T17:30:17.246036Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-06-19T17:30:18.767547Z","ended":"2016-06-19T17:55:04.970433Z","start_waiting":"2016-06-19T17:30:18.670666Z","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}]}