{"count":59737,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=3357","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=3355","results":[{"id":77442,"name":"19x19 25-1kyu","director":{"id":1022089,"username":"Lasercat meow","country":"un","icon":"https://secure.gravatar.com/avatar/303e4bd58e297e448fb52fce01edc03a?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1414.5521552007626,"deviation":164.32169499736995,"volatility":0.06001274877332651}},"ranking":22.94558548375539,"professional":false,"ui_class":"provisional"},"description":"25-1kyu","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"japanese","time_per_move":60,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":2700,"period_time":30,"periods":1},"is_open":true,"exclude_provisional":false,"group":{"id":9623,"name":"Go is easy","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":5,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2021-07-13T04:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2021-07-13T04:46:08.435191Z","ended":"2021-07-17T13:53:35.204134Z","start_waiting":"2021-07-13T04:46:08.251954Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":67092,"name":"Ninja Tournament to decide the Ultimate Ninja go player","director":{"id":862741,"username":"Ninja Master","country":"jp","icon":"https://user-uploads.online-go.com/f9f5a952f026e8b94e5e5a5eb9c77438-64.png","ratings":{"version":5,"overall":{"rating":416.3538956798577,"deviation":94.20401379338081,"volatility":0.05997907038296703}},"ranking":5,"professional":false,"ui_class":""},"description":"Ninja Go do your best!","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":212,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":210,"initial_time":240,"max_time":240},"is_open":true,"exclude_provisional":false,"group":{"id":7150,"name":"OGS Legends","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":3,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2020-10-26T20:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-10-26T20:00:00.719454Z","ended":"2020-10-26T20:22:30.017705Z","start_waiting":"2020-10-26T20:00:00.560977Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":2,"ranked":true},{"id":82590,"name":"Ladder  and verse!","director":{"id":1070666,"username":"Kun Go","country":"jp","icon":"https://secure.gravatar.com/avatar/d878ad9d639b03d43446c23c992dd35f?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1076.8199718797084,"deviation":92.01221287701095,"volatility":0.06002401180929444}},"ranking":16.630247988493107,"professional":false,"ui_class":""},"description":"verse! GO-GO-GO ladder to the going size exit!","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":259200,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":259200},"is_open":true,"exclude_provisional":false,"group":{"id":10493,"name":"Like 19 on 19","summary":"Who likes tournaments on a 19 by 19 board!Then come to us!BUT there is a problem, the The group is closed! write to us, that is, KunGo, Gost Go!","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":37,"icon":"https://user-uploads.online-go.com/3679ee129f9cfd7d20bf4fd8ac8aa814-64.png"},"auto_start_on_max":false,"time_start":"2021-11-18T12:00:00Z","players_start":6,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-11-18T11:57:33.257367Z","ended":"2022-05-29T19:40:27.969762Z","start_waiting":"2021-11-18T11:57:33.085571Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/3679ee129f9cfd7d20bf4fd8ac8aa814-15.png","player_count":10,"ranked":true},{"id":67035,"name":"Blitz 19x19 Elimination Tournament 2020-10-25 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:20260523T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-23T21:00:16.319109Z","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":"2026-05-24T01:00:00Z","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":"2020-10-25T13:30:39.936559Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2020-10-25T13:30:41.569255Z","ended":"2020-10-25T14:31:30.894969Z","start_waiting":"2020-10-25T13:30:41.088081Z","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":81444,"name":"Correspondence 19x19 RoundRobin 2021-10-18 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":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,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2021-10-18T19:00:58.805013Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2021-10-18T19:01:01.972550Z","ended":"2022-01-14T16:40:00.575424Z","start_waiting":"2021-10-18T19:01:01.031716Z","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":75071,"name":"A Random Tournement","director":{"id":371957,"username":"Hendrik3.14","country":"eu","icon":"https://user-uploads.online-go.com/cbe9a889907738d301eae59f5299dbc5-64.png","ratings":{"version":5,"overall":{"rating":1384.5963916825547,"deviation":62.3522661559184,"volatility":0.059867001168741565}},"ranking":22.45007594603877,"professional":false,"ui_class":""},"description":"~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~\n_____________________________________________________\n\n       a very special announcement of the great\n\n        >_____>/  LEAGUE OF LEECHES  \\<_____<\n\n Hi.\n \n Here is a new tournement.\n U can join it and play with us.\n \n Have fun :)\n \n \n Hendrik3.14 - Some Guy from the LoL\n_____________________________________________________\n~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~LOL~","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"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":1918,"name":"League of Leeches🐌🐍","summary":"https://online-go.com/game/9051373","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":9,"icon":"https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-64.png"},"auto_start_on_max":false,"time_start":"2021-05-15T15:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-05-15T15:00:51.819588Z","ended":"2021-12-10T18:43:43.831711Z","start_waiting":"2021-05-15T15:00:51.333784Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/d277fb6402e462b979d8c8ab24f11ad2-15.png","player_count":22,"ranked":true},{"id":84247,"name":"Blitz 19x19 Elimination Tournament 2021-12-29 21:30","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:20260523T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-23T21:00:16.319109Z","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":"2026-05-24T01:00:00Z","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":"2021-12-29T21:30:45.133075Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2021-12-29T21:30:46.446182Z","ended":"2021-12-29T21:50:12.870000Z","start_waiting":"2021-12-29T21:30:46.313352Z","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":63290,"name":"Alan Turing Main 2016 Title Match - Board 2","director":{"id":199065,"username":"Kuksu League","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1500.0,"deviation":350.0,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"<!-- \nAlan Turing Main 2016 Title Match - Board 1\n-->\n\nTitle Holder: \n<a style=\"color:orange\" href='https://online-go.com/user/view/64817/'>mark5000 [Alan Turing] x1</a>\n\n<table style=\"text-align:center;empty-cells:hide;table-layout:fixed;border:1px solid\">\n<tr>\n\t<td style=\"text-align:center\"><b>Edition</b></td>\n\t<td style=\"text-align:center\"><b>Title</b></td>\n\t<td style=\"text-align:center\"><b>Class</b></td>\n\t<td style=\"text-align:center\"><b>Year</b></td>\n\t<td style=\"text-align:center\"><b>Player 1</b></td>\n\t<td style=\"text-align:center\"><b>Player 2</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Matches</b></td>\n\t<td></td>\n\t<td></td>\n</tr>\n<tr>\n\t<td>5th</td>\n\t<td style=\"color:orange\">Alan Turing</td>\n\t<td>Main</td>\n\t<td>2016</td>\n\t<td><a style=\"color:orange\" href='https://online-go.com/user/view/64817'>mark5000 [Alan Turing]</a></td>\n\t<td><a href='https://online-go.com/player/347930/peecatchoo'>peecatchoo [9d]</a></td>\n\t<td><a href='https://online-go.com/tournament/63289'>Board 1</a></td>\n\t<td><a href='https://online-go.com/tournament/63290'>Board 2</a></td>\n\t<td><a href='https://online-go.com/game/view/25547380'>Board 3</a></td>\n\t<td><a href='https://online-go.com/game/view/25547353'>Board 4</a></td>\n\t<td><a href='https://online-go.com/game/view/25547341'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/17742'>Alan Turing Main Title Tournament 2016</a>","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"chinese","time_per_move":93120,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":604800,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":515,"name":"OGS Title Tournaments","summary":"Would you like to compete with hundreds of players in epic tournaments and become the Honinbo, Meijin, Kisei, Tianyuan, Mingren or Kuksu? Join us!","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":2978,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2020-07-20T02:29:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2020-07-20T02:29:06.788616Z","ended":"2020-08-27T23:15:22.184846Z","start_waiting":"2020-07-20T02:29:06.679182Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":2,"ranked":true},{"id":79373,"name":"Blitz 19x19 Elimination Tournament 2021-08-28 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:20260523T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-05-23T21:00:16.319109Z","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":"2026-05-24T01:00:00Z","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":"2021-08-28T13:30:15.632793Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2021-08-28T13:30:17.181339Z","ended":"2021-08-28T14:02:54.166894Z","start_waiting":"2021-08-28T13:30:17.033080Z","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":65647,"name":"19x19 DDK Tournament (18-10 Kyu)","director":{"id":694692,"username":"クネーデル","country":"001","icon":"https://secure.gravatar.com/avatar/c4759fc3f3a6241abeaca234a1bf0c3c?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1355.155719314861,"deviation":62.588009152408375,"volatility":0.05973145061764432}},"ranking":21.95252888874137,"professional":false,"ui_class":""},"description":"19x19 DDK Tournament for 18-10 Kyu","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":true,"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":17977,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2020-09-23T11:00:00Z","players_start":8,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":12,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2020-09-22T03:50:48.639852Z","ended":"2020-11-17T00:52:46.853723Z","start_waiting":"2020-09-22T03:50:46.312238Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":10,"ranked":true}]}