{"count":60917,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=3290","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=3288","results":[{"id":114299,"name":"13x13 Open D.E. Cup #41","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1394.9321610910313,"deviation":73.68145747872178,"volatility":0.060298651427534045}},"ranking":22.62224483016498,"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":86,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2024-04-14T20:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-04-09T19:01:41.450465Z","ended":"2024-10-22T09:56:59.316383Z","start_waiting":"2024-04-09T19:01:41.337514Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":69783,"name":"Simple Correspondence 13x13 DDK 2021 February","director":{"id":302584,"username":"koast","country":"us","icon":"https://user-uploads.online-go.com/e5b52e887c6f66d70b3f2c72a0d4eb19-64.png","ratings":{"version":5,"overall":{"rating":1518.190018088078,"deviation":64.08013528375135,"volatility":0.05996666523783403}},"ranking":24.58242625475131,"professional":false,"ui_class":""},"description":"No conditional moves. 13x13. HAVE FUN!","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":false,"per_move":172800},"is_open":true,"exclude_provisional":true,"group":{"id":5017,"name":"Simple Correspondence","summary":"2 days per move. No Analysis.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":67,"icon":"https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-64.png"},"auto_start_on_max":false,"time_start":"2021-02-01T19:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2021-02-01T19:00:33.775447Z","ended":"2021-03-17T18:39:13.270282Z","start_waiting":"2021-02-01T19:00:32.117074Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/536d82e031c1cb97554650c536b40310-15.png","player_count":10,"ranked":true},{"id":69418,"name":"Blitz 13x13 Swiss Tournament 2020-12-26 11:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260902T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-02T23:00:32.448769Z","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":"2026-09-03T03:00:00Z","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":"2020-12-26T11:30:27.610402Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-12-26T11:30:28.966878Z","ended":"2020-12-26T12:13:27.932758Z","start_waiting":"2020-12-26T11:30:28.820576Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true},{"id":113901,"name":"☆All levels☆ D.E  ★13x13★","director":{"id":1530557,"username":"deleted-2245d2ed-63dc-486d-bac3-3e7bc2842ec3","country":"zz","icon":"https://user-uploads.online-go.com/2e30bc6a6d69827e315344251140efb0-64.png","ratings":{"version":5,"overall":{"rating":1368.1687214821684,"deviation":204.7833846580227,"volatility":0.059999657760817}},"ranking":22.17376825962014,"professional":false,"ui_class":"provisional"},"description":"All levels","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":true,"group":{"id":14119,"name":"신중하게 두자","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8,"icon":"https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-64.png"},"auto_start_on_max":true,"time_start":"2024-06-16T06:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-06-13T08:17:03.837525Z","ended":"2025-01-06T05:56:35.222818Z","start_waiting":"2024-06-13T08:17:03.683792Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-15.png","player_count":10,"ranked":true},{"id":44665,"name":"End of Semester Tournament","director":{"id":606689,"username":"yuvalalternate","country":"un","icon":"https://secure.gravatar.com/avatar/a3ec0bb3ac1295ab9105b6fefd4b02d5?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1500,"deviation":350,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"The final solution","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":107,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":240,"max_time":900,"time_increment":105,"speed":"live"},"is_open":true,"exclude_provisional":true,"group":{"id":3046,"name":"Speyer Go","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":15,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2019-01-14T20:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2019-01-14T20:00:48.713081Z","ended":"2019-01-16T20:21:57.232119Z","start_waiting":"2019-01-14T20:00:48.036169Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":6,"ranked":true},{"id":1179,"name":"beginner's 13's","director":{"id":32675,"username":"mayukoto","country":"jp","icon":"https://secure.gravatar.com/avatar/3c9ce2f2ab3dd80ae66f119f5ccd00ec?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1521.9718006912854,"deviation":64.71261053466733,"volatility":0.06006877590886828}},"ranking":24.64002076296505,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"time_control":"fischer","initial_time":432000,"max_time":604800,"time_increment":172800},"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":386,"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":1,"analysis_enabled":false,"exclusivity":"open","started":"2010-09-09T16:33:04Z","ended":"2010-09-09T14:33:04Z","start_waiting":null,"board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":3467,"name":"1st Swiss Trophy","director":{"id":38746,"username":"wildboar","country":"ch","icon":"https://user-uploads.online-go.com/c5b7b15252be9812491f4d5187d1b487-64.png","ratings":{"version":5,"overall":{"rating":1115.3317124190935,"deviation":68.5486308011051,"volatility":0.06000179625154289}},"ranking":17.443730502219072,"professional":false,"ui_class":""},"description":"1st Swiss Trophy","schedule":null,"title":null,"tournament_type":"roundrobin","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":true,"group":{"id":60,"name":"Swiss Group","summary":"All swiss players please meet here!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":129,"icon":"https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-64.png"},"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":true,"exclusivity":"group","started":"2014-12-10T06:28:19.197781Z","ended":"2015-01-23T16:19:18.177858Z","start_waiting":"2014-12-10T06:28:18.530865Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/11c2c5d4c53413bc4a074bdc6b1f958b-15.png","player_count":0,"ranked":true},{"id":7857,"name":"Correspondence 13x13 RoundRobin 2015-05-30 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":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260901T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-09-01T19:00:32.573058Z","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":"2026-09-04T19:00:00Z","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":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2015-05-30T01:00:31.564370Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-05-30T01:00:54.749346Z","ended":"2015-07-06T13:48:00.882664Z","start_waiting":"2015-05-30T01:00:53.977156Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":10,"ranked":true},{"id":45527,"name":"Correspondence 13x13 RoundRobin 2019-02-11 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 Sitewide Tournament","schedule":{"id":7,"name":"Correspondence 13x13 RoundRobin","rrule":"DTSTART:20260901T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T06:00:14.582400Z","last_run":"2026-09-01T19:00:32.573058Z","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":"2026-09-04T19:00:00Z","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":259200,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2019-02-11T19:00:50.267844Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2019-02-11T19:01:18.171547Z","ended":"2019-04-04T14:49:36.441294Z","start_waiting":"2019-02-11T19:01:16.361357Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":8,"ranked":true},{"id":107336,"name":"Blitz 13x13 Swiss Tournament 2023-09-10 11:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260902T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-02T23:00:32.448769Z","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":"2026-09-03T03:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":15,"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":"2023-09-10T11:30:55.594646Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-09-10T11:31:55.713301Z","ended":"2023-09-10T12:20:01.428668Z","start_waiting":"2023-09-10T11:31:55.606026Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true}]}