{"count":61017,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=3389","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-board_size&page=3387","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":24423,"name":"Blitz 13x13 Swiss Tournament 2017-02-04 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:20260912T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-12T23:00:36.300365Z","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":"2026-09-13T03:00:00Z","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":"2017-02-04T11:30:40.356940Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2017-02-04T11:30:41.745900Z","ended":"2017-02-04T12:18:53.170251Z","start_waiting":"2017-02-04T11:30:41.574220Z","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":110738,"name":"13x13 Open League #19","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1355.1125402508417,"deviation":72.10279040967697,"volatility":0.060301437423644785}},"ranking":21.95179125302682,"professional":false,"ui_class":""},"description":"Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"roundrobin","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":"2024-01-07T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-01-04T16:15:59.417305Z","ended":"2024-03-30T16:07:36.546511Z","start_waiting":"2024-01-04T16:15:58.732352Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":83845,"name":"Demo 1","director":{"id":934272,"username":"Yvg","country":"un","icon":"https://user-uploads.online-go.com/a0161936b3691f8f40b14acc127f56c4-64.png","ratings":{"version":5,"overall":{"rating":1259.4233881982645,"deviation":188.02067738021088,"volatility":0.059997213686611844}},"ranking":20.25650474713704,"professional":false,"ui_class":"provisional"},"description":"This is a demo tournament","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":246,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":240,"initial_time":600,"max_time":600},"is_open":true,"exclude_provisional":false,"group":{"id":10073,"name":"Bowdoin College Go Club","summary":"Bowdoin College online-go group, utilised by the 'Abstract Strategy Go Club'","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":10,"icon":"https://user-uploads.online-go.com/26d482e678ff4b836e0d34f60cbb8fa0-64.png"},"auto_start_on_max":false,"time_start":"2021-12-18T15:09:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2021-12-18T15:09:51.400369Z","ended":"2021-12-18T16:52:11.940670Z","start_waiting":"2021-12-18T15:09:51.336820Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/26d482e678ff4b836e0d34f60cbb8fa0-15.png","player_count":2,"ranked":true},{"id":102021,"name":"Blitz 13x13 Swiss Tournament 2023-04-09 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:20260912T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-12T23:00:36.300365Z","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":"2026-09-13T03:00:00Z","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":"2023-04-09T07:30:43.368880Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-04-09T07:30:44.562607Z","ended":"2023-04-09T08:06:20.058889Z","start_waiting":"2023-04-09T07:30:44.451233Z","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":103233,"name":"Blitz 13x13 Swiss Tournament 2023-05-14 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:20260912T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-12T23:00:36.300365Z","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":"2026-09-13T03:00:00Z","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":"2023-05-14T19:30:00.992264Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-05-14T19:31:00.627248Z","ended":"2023-05-14T20:12:59.609346Z","start_waiting":"2023-05-14T19:31:00.477818Z","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":42086,"name":"Iron Man","director":{"id":546712,"username":"LazySpaceship","country":"au","icon":"https://user-uploads.online-go.com/8ae01976d8efc413f65355e483f82f04-64.png","ratings":{"version":5,"overall":{"rating":1252.4909621061827,"deviation":66.04562119628316,"volatility":0.06000933248726653}},"ranking":20.128724855704416,"professional":false,"ui_class":""},"description":"Shields first Tournament- hopefully it works :)","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":265920,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":604800,"max_time":604800,"time_increment":259200,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":2721,"name":"SHIELD","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":7,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2018-10-26T22:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2018-10-27T04:03:16.646089Z","ended":"2018-12-02T10:20:28.411391Z","start_waiting":"2018-10-27T04:03:16.174572Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":73988,"name":"B20-Div-4: TARUC CoQ Day","director":{"id":103319,"username":"harry93","country":"un","icon":"https://secure.gravatar.com/avatar/9d6e278fbac81da795e47d0aaa4a199a?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1627.4969719713229,"deviation":64.58585968048847,"volatility":0.0600201419732919}},"ranking":26.19191580948037,"professional":false,"ui_class":""},"description":"B20-Div-4: TARUC CoQ Day","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":30,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":900,"period_time":20,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":8923,"name":"B20-Div-4: TARUC CoQ Day","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":115,"icon":"https://user-uploads.online-go.com/ad2a57469c6296632add0a9dc43c1d32-64.png"},"auto_start_on_max":false,"time_start":"2021-04-18T01:30:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2021-04-18T01:18:09.223437Z","ended":"2021-04-24T07:33:47.115997Z","start_waiting":"2021-04-18T01:18:06.190204Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/ad2a57469c6296632add0a9dc43c1d32-15.png","player_count":107,"ranked":true},{"id":119000,"name":"Blitz 13x13 Swiss Tournament 2024-08-10 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 Site-wide Tournament","schedule":{"id":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260912T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-09-12T23:00:36.300365Z","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":"2026-09-13T03:00:00Z","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":"2024-08-10T15:30:05.722659Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2024-08-10T15:31:05.911270Z","ended":"2024-08-10T16:21:57.853731Z","start_waiting":"2024-08-10T15:31:05.723779Z","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":117416,"name":"13x13 Open D.E. Cup #46","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1355.1125402508417,"deviation":72.10279040967697,"volatility":0.060301437423644785}},"ranking":21.95179125302682,"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":"2024-07-07T20:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-07-06T03:57:45.239735Z","ended":"2025-03-16T01:19:38.564519Z","start_waiting":"2024-07-06T03:57:45.141596Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true}]}