{"count":59736,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-ended&page=1503","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-ended&page=1501","results":[{"id":99981,"name":"13x13 Open League #3","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1266.3339545161286,"deviation":69.11401413075777,"volatility":0.0602108012162927}},"ranking":20.383183590549244,"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":73,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2023-02-26T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-02-26T14:37:51.234211Z","ended":"2023-06-27T17:07:25.454878Z","start_waiting":"2023-02-26T14:37:50.345983Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":85294,"name":"Oza Treizes Title Tournament 2022","director":{"id":40318,"username":"gamesorry","country":"cn","icon":"https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2004.4188438214221,"deviation":67.71437067217448,"volatility":0.06015576961047741}},"ranking":31.014313855840236,"professional":false,"ui_class":"supporter"},"description":"Oza Treizes Title Tournament 2022\n\nTitle Holder:\n<a style=\"color:cyan\" href='https://online-go.com/user/view/43936/'>Sadaharu [Treizes Oza] x4</a>\n\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">Title Tournament Winner<img src='http://i.imgur.com/kVzSrke.png' alt='Gold'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='http://i.imgur.com/ta7bMkV.png' alt='Silver'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 3rd Place<img src='http://i.imgur.com/HtQoWtV.png' alt='Bronze'></img></th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/9743'>2016</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>hiryuu (4k)</td>\n\t<td>mark5000 (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/20807'>2017</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/game/13149559'>4-1</a></td>\n\t<td>Winterfell</td>\n\t<td><b>Winterfell (5d)</b></td>\n\t<td>tupelo (3d)</td>\n\t<td>gogop2016 (2d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/31472'>2018</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/game/19512589'>5-0</a></td>\n\t<td>Baklan</td>\n\t<td><b>Baklan (7d)</b></td>\n\t<td>Sadaharu (9d+)</td>\n\t<td>micky0427 (4d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/43367'>2019</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td><a href='https://online-go.com/tournament/73475'>4-1</a></td>\n\t<td>Utaha</td>\n\t<td><b>Sadaharu [8d]</b></td>\n\t<td>Utaha [1d]</td>\n\t<td>hokaw [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/54435'>2020</a></td>\n\t<td>TBA: Sadaharu</td>\n\t<td>vs</td>\n\t<td>Xaloc</td>\n\t<td><b>Xaloc [2d]</b></td>\n\t<td>找借口安静 [1d]</td>\n\t<td>tupelo [2d]</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/69270'>2021</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Novakun [4d]</b></td>\n\t<td>DMITRYSIR123 [3d]</td>\n\t<td>Sadaharu [5d]</td>\n</tr>\n</table>\n\nNotes:\n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in <a href='https://online-go.com/group/515'>OGS Title Tournaments</a> group and <a href='https://forums.online-go.com/t/title-tournament-announcements/10408/'>Title Tournament Announcement</a>.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","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":true,"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":"2022-03-14T09:00:00Z","players_start":100,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2022-03-14T08:02:35.012266Z","ended":"2023-06-27T16:42:51.574481Z","start_waiting":"2022-03-14T08:02:24.282831Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":166,"ranked":true},{"id":104796,"name":"Blitz 13x13 Swiss Tournament 2023-06-27 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:20260523T190000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-05-23T19:00:16.349445Z","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":"2026-05-23T23:00:00Z","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":"2023-06-27T15:30:52.629353Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-06-27T15:31:51.646401Z","ended":"2023-06-27T16:16:43.753797Z","start_waiting":"2023-06-27T15:31:51.522305Z","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":103287,"name":"Völser double elimination 9x9","director":{"id":623383,"username":"KitsuneNoGo","country":"nl","icon":"https://user-uploads.online-go.com/49d6293233d61cf317719ba2b4b3aca7-64.png","ratings":{"version":5,"overall":{"rating":1893.2949265836028,"deviation":66.84204982477706,"volatility":0.05997055498181051}},"ranking":29.693941876124423,"professional":false,"ui_class":""},"description":"Double shoot out! Eerste ronde, daarna winnaars tegen winnaars en verliezers tegen verliezers. Bij 2x verliezen lig je eruit. SUCCES!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":95543,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":4482,"name":"Vols Alive","summary":"Welcome to your new addiction ","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":11,"icon":"https://user-uploads.online-go.com/9ecf0fc39346113e3777c1d3f059aee7-64.png"},"auto_start_on_max":true,"time_start":"2023-05-18T07:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"invite","started":"2023-05-16T09:38:08.028076Z","ended":"2023-06-27T11:45:07.572842Z","start_waiting":"2023-05-16T09:38:07.939553Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/9ecf0fc39346113e3777c1d3f059aee7-15.png","player_count":4,"ranked":true},{"id":104790,"name":"Live 9x9 Double Elimination Tournament 2023-06-27 10:30","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260523T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-05-23T22:00:16.320808Z","lead_time_seconds":1800,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"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":"2026-05-24T02:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":41,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2023-06-27T10:30:51.411377Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-06-27T10:31:51.616449Z","ended":"2023-06-27T11:40:40.758735Z","start_waiting":"2023-06-27T10:31:51.436268Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":6,"ranked":true},{"id":62813,"name":"International Clouded Leopard Day 2020: Standard Correspondence","director":{"id":109488,"username":"DVbS78rkR7NVe","country":"un","icon":"https://secure.gravatar.com/avatar/e379f98cdecd568bf2a9c1deb14ea283?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2026.1476299885521,"deviation":66.05609734432652,"volatility":0.059874270189468615}},"ranking":31.26391960044579,"professional":false,"ui_class":""},"description":"International Clouded Leopard Day is celebrated on August 4th every year from 2018.\n\nJoin the group for more cat tournaments.","schedule":null,"title":null,"tournament_type":"swiss","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":false,"group":{"id":6124,"name":"Leopard's Resting Tree","summary":"A little corner for cat tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":311,"icon":"https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png"},"auto_start_on_max":false,"time_start":"2020-08-04T12:00:00Z","players_start":2,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-08-04T12:01:01.467290Z","ended":"2023-06-27T05:16:59.554546Z","start_waiting":"2020-08-04T12:00:59.018374Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png","player_count":38,"ranked":true},{"id":104025,"name":"Correspondence 9x9 RoundRobin 2023-06-06 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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260523T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-05-23T19:00:16.314067Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":9,"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":"2026-05-26T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":95543,"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":"2023-06-06T19:00:59.937491Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2023-06-06T19:01:30.770182Z","ended":"2023-06-27T04:00:21.870237Z","start_waiting":"2023-06-06T19:01:30.050826Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":9,"ranked":true},{"id":103105,"name":"Third Inglemoor Go Glub Tournament","director":{"id":1294749,"username":"Bali Song","country":"un","icon":"https://secure.gravatar.com/avatar/f0ea6cd971422715ff5924690317b5eb?s=64&d=retro","ratings":{"version":5,"overall":{"rating":991.2307983344498,"deviation":69.1358266907902,"volatility":0.059983013694638466}},"ranking":14.712962568002377,"professional":false,"ui_class":""},"description":"It's time we had another tournament.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","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":12821,"name":"Inglemoor High School Go Club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":11,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2023-06-10T07:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2023-06-18T03:33:26.559456Z","ended":"2023-06-27T00:08:38.332569Z","start_waiting":"2023-06-18T03:33:26.481921Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":3,"ranked":true},{"id":104772,"name":"Live 9x9 Double Elimination Tournament 2023-06-26 18:30","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260523T220000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-05-23T22:00:16.320808Z","lead_time_seconds":1800,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"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":"2026-05-24T02:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":41,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2023-06-26T18:30:51.234366Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-06-26T18:31:51.458336Z","ended":"2023-06-26T19:57:56.906399Z","start_waiting":"2023-06-26T18:31:51.252913Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":11,"ranked":true},{"id":100364,"name":"Weekly 13x13 Games 2023-02-24","director":{"id":741522,"username":"wolfmeister","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/c86451e4f5aaface6118117b8b91597b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1209.6169056480942,"deviation":65.52079638031556,"volatility":0.06013235595814508}},"ranking":19.32239564406787,"professional":false,"ui_class":""},"description":"%%%%%%%%%%%%%%%%%%%%%%%%\n\n!!!LIVE GAME APPOINTMENTS ARE NOT SCHEDULED AUTOMATICALLY!!!\n\nONCE TOURNAMENT STARTS:\n\nCOME BACK HERE TO FIND YOUR ASSIGNED OPPONENT ARRANGE A >30min VIDEO CONFERENCE WITH YOUR OPPONENT FINISH YOUR GAME WITHIN ONE WEEK, TO PREVENT BLOCKING THE TOURNAMENT. EACH MONDAY, SCHEDULE YOUR NEXT MATCH VIDEO CONFERENCE.\n\n%%%%%%%%%%%%%%%%%%%%%%%%","schedule":null,"title":null,"tournament_type":"swiss","handicap":-1,"rules":"japanese","time_per_move":30675,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":1814400},"is_open":true,"exclude_provisional":false,"group":{"id":6518,"name":"Madison Google Go","summary":"Nominally a social league for the MSN site, but friendly, casual players from other sites welcome.  Make sure to join the Hangouts room, go-msn@ group for announcements!  Please send an *INTERNAL* email to the organizers to join.  We don't always notice OG","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":18,"icon":"https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-64.png"},"auto_start_on_max":false,"time_start":"2023-02-24T19:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2023-02-24T19:00:58.883083Z","ended":"2023-06-26T19:49:07.084141Z","start_waiting":"2023-02-24T19:00:58.700187Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/58487116e0e161b5d171c5b31268b059-15.png","player_count":5,"ranked":true}]}