{"count":59319,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=2657","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=2655","results":[{"id":51432,"name":"Game Of Stones Battle Masters 2019","director":{"id":87790,"username":"WiseBear","country":"ru","icon":"https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png","ratings":{"version":5,"overall":{"rating":1104.0021061102002,"deviation":62.08308547890164,"volatility":0.06028822213904829}},"ranking":17.207368885691388,"professional":false,"ui_class":""},"description":"The tournament for the Battle Masters 2019 titles.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","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":432000},"is_open":true,"exclude_provisional":true,"group":{"id":3516,"name":"Game Of Stones","summary":"This group is no longer operated.","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":143,"icon":"https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-64.png"},"auto_start_on_max":false,"time_start":"2019-09-25T01:00:00Z","players_start":8,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2019-09-25T01:00:59.868567Z","ended":"2020-05-29T18:05:43.503706Z","start_waiting":"2019-09-25T01:00:57.945393Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/439f945317b077e50df083e0d0f09ce5-15.png","player_count":18,"ranked":true},{"id":136592,"name":"Southampton Jan2026 13x13 Bracket Tournament","director":{"id":1350621,"username":"SMS-Mr.d","country":"us","icon":"https://user-uploads.online-go.com/a37a10b28a4630ef53f62c17e567cca7-64.png","ratings":{"version":5,"overall":{"rating":1087.6431665845494,"deviation":61.776335264617884,"volatility":0.05998629219958402}},"ranking":16.861768721103054,"professional":false,"ui_class":""},"description":"Southampton Jan2026 13x13 Bracket Tournament","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":7,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"rapid","pause_on_weekends":false,"time_increment":6,"initial_time":60,"max_time":60},"is_open":true,"exclude_provisional":false,"group":{"id":14789,"name":"Southampton Middle School Go Club","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":true,"hide_details":true,"member_count":15,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2026-01-21T20:04:00Z","players_start":2,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2026-01-21T20:04:04.489511Z","ended":"2026-01-21T20:49:57.079779Z","start_waiting":"2026-01-21T20:04:04.293845Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":11,"ranked":false},{"id":26472,"name":"Single Elimination Blitz 13x13. Have fun!!!!","director":{"id":433332,"username":"HikaruIzBack","country":"zz","icon":"https://user-uploads.online-go.com/f8f5905cf1f11baefaf6108985afd4ca-64.png","ratings":{"version":5,"overall":{"rating":822.7743318535855,"deviation":70.73468933931811,"volatility":0.060029696151245864}},"ranking":10.400917622734466,"professional":false,"ui_class":""},"description":"Come all!!! Please join! I would greatly appreciate it! Have fun! 😉","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":9,"time_control_parameters":{"period_time":9,"main_time":45,"system":"byoyomi","pause_on_weekends":false,"time_control":"byoyomi","periods":5,"speed":"live"},"is_open":true,"exclude_provisional":false,"group":{"id":25,"name":"Go Basics","summary":"A learning and teaching environment for players of all strengths with emphasis on tournaments and game reviews. Come teach, learn, and have fun!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":17888,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2017-04-20T01:15:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":27,"analysis_enabled":true,"exclusivity":"open","started":"2017-04-21T02:22:21.444131Z","ended":"2017-04-21T02:29:03.178311Z","start_waiting":"2017-04-21T02:22:20.798690Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":4,"ranked":true},{"id":73833,"name":"Blitz 13x13 Swiss Tournament 2021-04-13 11:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260412T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-04-12T03:00:35.094864Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"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":"2026-04-12T07:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2021-04-13T11:30:25.951555Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2021-04-13T11:30:27.648322Z","ended":"2021-04-13T12:16:04.508071Z","start_waiting":"2021-04-13T11:30:27.354812Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":7,"ranked":true},{"id":128157,"name":"13x13 Open D.E. Cup #68","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1365.898589194213,"deviation":68.40835436496026,"volatility":0.060201985871587475}},"ranking":22.135324747759174,"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/12599","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":90782,"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":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":70,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-05-18T20:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-05-15T12:06:12.086226Z","ended":"2026-03-08T21:07:49.849058Z","start_waiting":"2025-05-15T12:06:11.987632Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":63077,"name":"Braila Blitz 13x13 Fisher time- ed3","director":{"id":464199,"username":"dr.toma","country":"ro","icon":"https://secure.gravatar.com/avatar/0a3da26e9a517da4b0a4fb4ba8e80dc1?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1722.4240487046302,"deviation":65.99404611174113,"volatility":0.06004493744301138}},"ranking":27.504275297579134,"professional":false,"ui_class":""},"description":"Braila Blitz 13x13 Fisher time","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":15,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":15,"initial_time":60,"max_time":120},"is_open":true,"exclude_provisional":false,"group":{"id":2993,"name":"Asociația de Go Brăila","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":26,"icon":"https://user-uploads.online-go.com/97a4fe5337f2c4f846c9bfa27ce9e6c7-64.png"},"auto_start_on_max":false,"time_start":"2020-07-17T18:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-07-17T18:00:39.601756Z","ended":"2020-07-17T18:59:07.962556Z","start_waiting":"2020-07-17T18:00:39.168733Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/97a4fe5337f2c4f846c9bfa27ce9e6c7-15.png","player_count":5,"ranked":true},{"id":116563,"name":"Correspondence 13x13 RoundRobin 2024-05-30 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 Site-wide Tournament","schedule":{"id":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260410T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-04-10T19:00:34.174751Z","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":"2026-04-13T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":90782,"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":"2024-05-30T19:00:53.710998Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2024-05-30T19:00:54.003997Z","ended":"2024-07-06T12:42:31.147143Z","start_waiting":"2024-05-30T19:00:53.878951Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":4,"ranked":true},{"id":68641,"name":"Blitz 13x13 Swiss Tournament 2020-12-06 11:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260412T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-04-12T03:00:35.094864Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"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":"2026-04-12T07:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2020-12-06T11:30:26.619840Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-12-06T11:31:26.071089Z","ended":"2020-12-06T12:18:11.490617Z","start_waiting":"2020-12-06T11:31:25.713536Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":7,"ranked":true},{"id":45329,"name":"MGG 13x13 Olympics DDK Spring 2019","director":{"id":87790,"username":"WiseBear","country":"ru","icon":"https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png","ratings":{"version":5,"overall":{"rating":1104.0021061102002,"deviation":62.08308547890164,"volatility":0.06028822213904829}},"ranking":17.207368885691388,"professional":false,"ui_class":""},"description":"Olympic tournament of Monkey Go Games","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":259200,"max_time":432000,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":2702,"name":"Masters And Champions","summary":"Your journey of knowledge from beginner to master will be fascinating with us!","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":34,"icon":"https://user-uploads.online-go.com/e6b8a636f6746575d2aa126a2b247efd-64.png"},"auto_start_on_max":false,"time_start":"2019-03-03T23:00:00Z","players_start":8,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"group","started":"2019-03-06T16:09:16.184160Z","ended":"2020-01-23T18:38:54.002881Z","start_waiting":"2019-03-06T16:09:15.583524Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/e6b8a636f6746575d2aa126a2b247efd-15.png","player_count":8,"ranked":true},{"id":61237,"name":"Vendo papás","director":{"id":748142,"username":"Camaleonkecleon","country":"co","icon":"https://user-uploads.online-go.com/09a771660c97b0be8ae85ce58b4f223e-64.png","ratings":{"version":5,"overall":{"rating":921.536484935623,"deviation":67.08333781650326,"volatility":0.06005378484933887}},"ranking":13.02521107055442,"professional":false,"ui_class":""},"description":"Valdivia todo hay uso ya ja digo mayo","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":26,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":150,"period_time":25,"periods":1},"is_open":true,"exclude_provisional":true,"group":{"id":4806,"name":"COIN Centro de Inteligencias","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":65,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-05-30T01:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-05-30T00:06:18.898699Z","ended":"2020-05-30T00:46:53.597300Z","start_waiting":"2020-05-30T00:06:18.685042Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":5,"ranked":true}]}