{"count":60082,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-first_pairing_method&page=5370","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-first_pairing_method&page=5368","results":[{"id":111462,"name":"Blitz 13x13 Swiss Tournament 2024-01-08 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:20260629T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-06-29T07:00:16.983618Z","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":"2026-06-29T11:00:00Z","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":"2024-01-08T11:30:48.827235Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2024-01-08T11:31:48.971815Z","ended":"2024-01-08T12:17:37.558269Z","start_waiting":"2024-01-08T11:31:48.833965Z","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":135225,"name":"Southampton Dec2025 13x13 Tournament v4","director":{"id":1350621,"username":"SMS-Mr.d","country":"us","icon":"https://user-uploads.online-go.com/a37a10b28a4630ef53f62c17e567cca7-64.png","ratings":{"version":5,"overall":{"rating":1075.2700317591648,"deviation":61.726979937746016,"volatility":0.059987307199874225}},"ranking":16.59690261731099,"professional":false,"ui_class":""},"description":"Southampton Dec2025 13x13 Tournament","schedule":null,"title":null,"tournament_type":"roundrobin","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":30,"max_time":45},"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":false,"time_start":"2025-12-10T20:09:00Z","players_start":2,"first_pairing_method":"random","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-12-10T20:09:42.725538Z","ended":"2025-12-10T20:10:45.754226Z","start_waiting":"2025-12-10T20:09:41.995192Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":67662,"name":"1st Go GryphONs Tournament","director":{"id":666747,"username":"JamieT","country":"un","icon":"https://user-uploads.online-go.com/0c91c820a39f2b21ef13babc3532fa8a-64.png","ratings":{"version":5,"overall":{"rating":1507.300336819689,"deviation":65.33806251114896,"volatility":0.05989566544152926}},"ranking":24.415777427329825,"professional":false,"ui_class":""},"description":"Welcome to the first tournament of Ann Arbor's first school Go Club! Wish you luck and lots of fun!\n\nPrize: bragging rights","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"aga","time_per_move":36,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":600,"period_time":30,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":6878,"name":"GH Go Club","summary":"Welcome to the GH Go Club! \n\nCheck out our complete guide to the game at https://docs.google.com/document/d/1oUztveF3B-u6Vq_2YtkPusHVzhzn4LOJB6ug9GdGjjs/edit.","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":20,"icon":"https://user-uploads.online-go.com/a59f80a1dd78e8c1307e14cc627732db-64.png"},"auto_start_on_max":false,"time_start":"2020-11-14T21:05:00Z","players_start":3,"first_pairing_method":"random","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-11-14T21:05:40.058199Z","ended":"2020-11-14T22:04:44.838894Z","start_waiting":"2020-11-14T21:05:39.890859Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/a59f80a1dd78e8c1307e14cc627732db-15.png","player_count":4,"ranked":true},{"id":18404,"name":"Blitz 13x13 Swiss Tournament 2016-06-20 15:30","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:20260629T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-06-29T07:00:16.983618Z","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":"2026-06-29T11:00:00Z","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":"2016-06-20T15:30:30.230390Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-06-20T15:30:31.929858Z","ended":"2016-06-20T16:18:03.057895Z","start_waiting":"2016-06-20T15:30:31.777725Z","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":13184,"name":"Blitz 13x13 Swiss Tournament 2015-12-12 19:30","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:20260629T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-06-29T07:00:16.983618Z","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":"2026-06-29T11:00:00Z","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":"2015-12-12T19:30:20.388165Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2015-12-12T19:30:21.690721Z","ended":"2015-12-12T20:20:44.612394Z","start_waiting":"2015-12-12T19:30:21.427523Z","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":125076,"name":"19x19 New Zealand Open D.E. #21","director":{"id":178104,"username":"dexonsmith","country":"ca","icon":"https://user-uploads.online-go.com/448e520df4ffd817b1802a450a4c9058-64.png","ratings":{"version":5,"overall":{"rating":1390.7732166446785,"deviation":67.55416504748428,"volatility":0.06064009346038413}},"ranking":22.55312076827671,"professional":false,"ui_class":"supporter"},"description":"All players welcome. 8 players. Starts only when full.\n\nNew Zealand rules. 19x19 board. Even games. Double-elimination.\n\nFor more tournaments and ladders with New Zealand rules: <https://online-go.com/group/14024>","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"nz","time_per_move":88451,"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":14024,"name":"New Zealand Ladders","summary":"Group for ladders and tournaments that use New Zealand rules.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":79,"icon":"https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-64.png"},"auto_start_on_max":true,"time_start":"2025-02-22T04:19:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-02-18T17:20:12.156582Z","ended":"2026-01-11T09:32:56.009263Z","start_waiting":"2025-02-18T17:20:12.023593Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/6d3f1240da125f52148d02ea549146da-15.png","player_count":8,"ranked":true},{"id":98948,"name":"13-13 ტურნირი","director":{"id":21742,"username":"დათო","country":"ge","icon":"https://user-uploads.online-go.com/f776102223e8d2cd0c3eeab1eea726ff-64.png","ratings":{"version":5,"overall":{"rating":2188.217274395995,"deviation":97.40479902700517,"volatility":0.06013689069472163}},"ranking":33.04533320130458,"professional":false,"ui_class":""},"description":"13-13 ტურნირი","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"chinese","time_per_move":8,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"blitz","pause_on_weekends":false,"time_increment":3,"initial_time":270,"max_time":270},"is_open":true,"exclude_provisional":false,"group":{"id":692,"name":"Georgia - საქართველოს გოს ფედერაცია","summary":"საქართველოს გოს ფედერაციის ჯგუფში გაწევრიანება შეუძლიათ მხოლოდ საქართველოს  მოქალაქეებს, რომლებიც დარეგისტრირებულები არიან ამ საიტზე და პროფილში მითითებული აქვთ სახელი და გვარი.","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":269,"icon":"https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-64.png"},"auto_start_on_max":false,"time_start":"2023-01-14T17:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2023-01-14T17:00:09.323999Z","ended":"2023-01-14T17:55:50.369689Z","start_waiting":"2023-01-14T17:00:09.227814Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/6a63e1cd3341783b3bb281cb4a0908c7-15.png","player_count":6,"ranked":true},{"id":59842,"name":"Live 19x19 Swiss Tournament 2020-04-29 20:30","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:20260629T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-06-29T04:00:16.984365Z","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":"2026-06-29T08:00:00Z","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":"2020-04-29T20:30:38.063983Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-04-29T20:30:40.541791Z","ended":"2020-04-29T22:05:04.429929Z","start_waiting":"2020-04-29T20:30:39.490400Z","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":59538,"name":"Blitz 13x13 Swiss Tournament 2020-04-24 07:30","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:20260629T070000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-06-29T07:00:16.983618Z","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":"2026-06-29T11:00:00Z","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":"2020-04-24T07:30:55.896835Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-04-24T07:30:57.721829Z","ended":"2020-04-24T08:20:57.261166Z","start_waiting":"2020-04-24T07:30:57.194871Z","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":110052,"name":"Live 19x19 Swiss Tournament 2023-11-27 12:30","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:20260629T040000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-06-29T04:00:16.984365Z","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":"2026-06-29T08:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":35,"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":"2023-11-27T12:30:54.149435Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-11-27T12:31:54.356881Z","ended":"2023-11-27T13:46:08.800023Z","start_waiting":"2023-11-27T12:31:54.164637Z","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}]}