{"count":59976,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=124","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=-board_size&page=122","results":[{"id":128448,"name":"Handicap Arena 2025 - 036","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1034.696673615722,"deviation":64.84791543135293,"volatility":0.060061083812025656}},"ranking":15.706472416919453,"professional":false,"ui_class":"supporter"},"description":"Part of an arena tournament. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as there are 5 players.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"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":true,"group":{"id":13655,"name":"Handicap Arena","summary":"Organising arena-type handicap correspondence tournaments.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":108,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-05-17T14:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-05-15T15:33:34.842302Z","ended":"2025-11-16T13:08:20.226589Z","start_waiting":"2025-05-15T15:33:34.678587Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":5,"ranked":true},{"id":15244,"name":"Blitz 19x19 Elimination Tournament 2016-02-26 05:30","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:20260620T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-20T09:00:19.646449Z","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":"2026-06-20T13:00:00Z","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":"2016-02-26T05:30:48.203573Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-02-26T05:30:49.765614Z","ended":"2016-02-26T05:46:44.073440Z","start_waiting":"2016-02-26T05:30:49.670084Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":4,"ranked":true},{"id":130553,"name":"Blitz 19x19 Elimination Tournament 2025-07-17 09:31","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":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260620T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-20T09:00:19.646449Z","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":"2026-06-20T13:00:00Z","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":"2025-07-17T09:31:01.979913Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-07-17T09:31:55.348243Z","ended":"2025-07-17T10:08:11.883696Z","start_waiting":"2025-07-17T09:31:55.270735Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":8,"ranked":true},{"id":11712,"name":".Fight Club´s \"Review Rounds\"#6","director":{"id":91463,"username":"petit","country":"001","icon":"https://user-uploads.online-go.com/fa3db5dae6a1029dc200cabda72dd8d3-64.png","ratings":{"version":5,"overall":{"rating":1592.6954080290957,"deviation":65.36061228637242,"volatility":0.05968997028479681}},"ranking":25.691518641473003,"professional":false,"ui_class":""},"description":"\"enjoy the procedure and the goal will unfold\"\n\nbe encouraged to ask/offer a review after the game\n\nfeel free to post the time and date in the chat","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":46080,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":43200},"is_open":true,"exclude_provisional":true,"group":{"id":351,"name":"Fight Club","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":369,"icon":"https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-64.png"},"auto_start_on_max":false,"time_start":"2015-10-23T18:00:00Z","players_start":2,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-10-23T18:00:31.292237Z","ended":"2016-02-26T06:02:31.683608Z","start_waiting":"2015-10-23T18:00:30.989454Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/84c668c6929052e27b769484f8a7a326-15.png","player_count":17,"ranked":true},{"id":127874,"name":"Blitz 19x19 Elimination Tournament 2025-04-26 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 Site-wide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260620T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-20T09:00:19.646449Z","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":"2026-06-20T13:00:00Z","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":"2025-04-26T13:30:47.693878Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-04-26T13:31:47.846121Z","ended":"2025-04-26T14:19:02.603970Z","start_waiting":"2025-04-26T13:31:47.707155Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":14,"ranked":true},{"id":140067,"name":"Rolling Rival - Single Elimination","director":{"id":1776211,"username":"MAESTRO of BADUK","country":"kr","icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png","ratings":{"version":5,"overall":{"rating":1803.5853103477507,"deviation":67.01169865641116,"volatility":0.060022999237862945}},"ranking":28.57019143464403,"professional":false,"ui_class":""},"description":"This is for players who want to play fast correspondence match \n\nSingle Elimination for 15k ~ 5D\n\nStart time: 1 days\n\nFischer:: 7 hours\n\nMax. Time: 3 days\n\n*****\nPlease be careful below the rule;\n\nNO PAUSE & NO VACATION, anyone who takes on the vacation or pauses a game, will be disqualified.\n\nPlease send the tournament director a message if you find that your opponent pauses or turns vacation mode on.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"korean","time_per_move":25884,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":25200,"initial_time":86400,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":15815,"name":"RollingStones : Global & 한국인","summary":"한국인 대환영. 한국인과 글로벌 유저들을 위한 모임, We are connected all together.","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":79,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png"},"auto_start_on_max":false,"time_start":"2026-05-31T07:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":12,"max_ranking":34,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-24T04:13:25.738122Z","ended":null,"start_waiting":"2026-05-24T04:13:25.423530Z","board_size":19,"active_round":2,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png","player_count":32,"ranked":true},{"id":2494,"name":"Meijin Handicap Title Tournament 2014","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":"Meijin Handicap Title Tournament 2014","schedule":null,"title":{"id":3,"name":"Meijin Handicap Title Tournament","holder":{"id":34056,"username":"csaba","country":"hu","icon":"https://secure.gravatar.com/avatar/acc21dc869238249e9b4986f52380d95?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1324.6015202352305,"deviation":63.827195553574434,"volatility":0.05973619910213822}},"ranking":21.424600200178386,"professional":false,"ui_class":"supporter"},"rules":"japanese","tournament_type":"s_elimination"},"tournament_type":"s_elimination","handicap":-1,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":604800,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":null,"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":false,"exclusivity":"open","started":"2014-02-03T05:53:15.256090Z","ended":"2016-02-26T13:58:35.229034Z","start_waiting":"2014-02-03T05:52:34.289145Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/meijin_19.png","player_count":0,"ranked":true},{"id":127873,"name":"Live 19x19 Swiss Tournament 2025-04-26 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 Site-wide Tournament","schedule":{"id":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260620T080000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-06-20T08:00:19.642961Z","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":"2026-06-20T12:00:00Z","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":"2025-04-26T12:30:21.687108Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-04-26T12:30:47.777443Z","ended":"2025-04-26T13:43:58.272911Z","start_waiting":"2025-04-26T12:30:47.691517Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":7,"ranked":true},{"id":120104,"name":"Tianyuan Main 2018 Title Match - Board 4","director":{"id":40318,"username":"gamesorry","country":"cn","icon":"https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2012.1989122636944,"deviation":66.87157068355577,"volatility":0.06015938835110416}},"ranking":31.103995683001028,"professional":false,"ui_class":"supporter"},"description":"<!--\nTianyuan Main 2018 Title Match - Board 1\n-->\n\nTitle Holder:\n<a style=\"color:yellow\" href='https://online-go.com/user/view/43936/'>Sadaharu [Tianyuan] x1+2</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>12th</td>\n\t<td style=\"color:yellow\">Tianyuan</td>\n\t<td>Main</td>\n\t<td>2018</td>\n\t<td><a style=\"color:yellow\" href='https://online-go.com/player/43936/'>Sadaharu [Tianyuan]</a></td>\n\t<td><a href='https://online-go.com/player/16805/'>Celebrir [1k]</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/70282424'>Board 1</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/70282437'>Board 2</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/game/70282471'>Board 3</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/120104'>Board 4</a></td>\n\t<td><a style=\"color:skyblue\" href='https://online-go.com/tournament/120105'>Board 5</a></td>\n</tr>\n</table>\n\nTitle Tournament: <a href='https://online-go.com/tournament/39817'>Tianyuan Main Title Tournament 2018</a>\n\nNote:\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"chinese","time_per_move":91187,"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":2988,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2024-12-09T09:18:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2024-12-09T09:18:11.652960Z","ended":"2025-04-01T18:26:04.874229Z","start_waiting":"2024-12-09T09:18:11.605170Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":2,"ranked":true},{"id":14232,"name":"SomethingAwful Securities Cup 2016","director":{"id":310,"username":"oiseaux","country":"gb","icon":"https://user-uploads.online-go.com/919391c05ac7625c06237707076602ea-64.png","ratings":{"version":5,"overall":{"rating":1150.313360659045,"deviation":60.63372409700584,"volatility":0.0601132526278829}},"ranking":18.158661122454312,"professional":false,"ui_class":"supporter"},"description":"FREE +25% XP WEEKEND","schedule":null,"title":null,"tournament_type":"mcmahon","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":false,"group":{"id":8,"name":"SA","summary":"All Power to the People (and sugoi animes)\n\nWant in?  Post in thread!","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":87,"icon":"https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-64.png"},"auto_start_on_max":true,"time_start":"2016-01-25T10:07:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"group","started":"2016-01-25T10:07:56.818882Z","ended":"2016-07-11T15:54:50.127861Z","start_waiting":"2016-01-25T10:07:56.695176Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/26facd2be4378db28d942e4dbd1dad36-15.png","player_count":6,"ranked":true}]}