{"count":60859,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=3401","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=board_size&page=3399","results":[{"id":74060,"name":"17 Lines: Unusual Board Sizes Series","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":"Join 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":313,"icon":"https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png"},"auto_start_on_max":false,"time_start":"2021-05-02T07:00:00Z","players_start":2,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2021-05-02T07:00:46.317800Z","ended":"2023-01-06T19:11:14.961161Z","start_waiting":"2021-05-02T07:00:45.549294Z","board_size":17,"active_round":null,"icon":"https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png","player_count":28,"ranked":true},{"id":127217,"name":"Mirror Go on 18x18🪞","director":{"id":309835,"username":"Feijoa","country":"xx","icon":"https://user-uploads.online-go.com/933c836f564b271ba762aff02e654cf3-64.png","ratings":{"version":5,"overall":{"rating":1260.7793445836237,"deviation":67.46362878187672,"volatility":0.060149348819254274}},"ranking":20.281415753653878,"professional":false,"ui_class":"supporter moderator"},"description":"Let's try mirror go on 18x18. How can you break the mirror without tengen?","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"nz","time_per_move":174851,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":172800,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":14853,"name":"Exploring Mirror Go","summary":"A safe place to mirror.\n\nI need to add an admin or two so this group doesn't become a zombie if I quit playing for a while.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":20,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2025-04-18T07:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-18T07:00:15.751770Z","ended":"2025-08-25T14:09:39.479633Z","start_waiting":"2025-04-18T07:00:15.674370Z","board_size":18,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":4,"ranked":true},{"id":77990,"name":"18 Lines: Even Board Sizes Series","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":"Join 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":313,"icon":"https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-64.png"},"auto_start_on_max":false,"time_start":"2021-08-01T01:00:00Z","players_start":2,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-08-01T01:00:16.431507Z","ended":"2022-08-01T03:45:04.735652Z","start_waiting":"2021-08-01T01:00:16.150327Z","board_size":18,"active_round":null,"icon":"https://user-uploads.online-go.com/7198cc33b9da0045cda9721b7fc8e4f2-15.png","player_count":12,"ranked":true},{"id":143101,"name":"第17回　囲碁を楽しもう大会","director":{"id":1997867,"username":"LINNKU","country":"jp","icon":"https://user-uploads.online-go.com/149cc31ab23ee78d65e1987b29f39c5e-64.png","ratings":{"version":5,"overall":{"rating":981.2213098672103,"deviation":62.642307983186235,"volatility":0.059973177427690406}},"ranking":14.478004622848978,"professional":false,"ui_class":""},"description":"囲碁を楽しみながら勝ち抜いていきましょう。","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":12,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":10,"initial_time":300,"max_time":3600},"is_open":true,"exclude_provisional":false,"group":{"id":16264,"name":"9x9 13x13 19x19 123 ! !","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":16,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2026-08-14T16:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-08-15T00:32:29.481428Z","ended":"2026-08-15T00:37:41.853688Z","start_waiting":"2026-08-15T00:32:29.402957Z","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":170,"name":"Open to all - 2 days per move","director":{"id":356,"username":"Dyonn","country":"gb","icon":"https://user-uploads.online-go.com/d34852f36c3644d382908282ee323e3f-64.png","ratings":{"version":5,"overall":{"rating":1693.8272875473092,"deviation":65.3556234715669,"volatility":0.060217775000008356}},"ranking":27.116698144252936,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"time_control":"simple","per_move":172800},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":34,"analysis_enabled":false,"exclusivity":"open","started":"2007-01-07T09:47:00Z","ended":"2007-02-24T13:59:00Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":222,"name":"ThomA's mini-tournament","director":{"id":2381,"username":"ThomA","country":"un","icon":"https://secure.gravatar.com/avatar/52ddb9fa56153a2b56282127dd54f34d?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1781.9646088451016,"deviation":80.04870019850642,"volatility":0.05999637721602919}},"ranking":28.291001175102267,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"time_control":"fischer","initial_time":432000,"max_time":1209600,"time_increment":172800},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":9,"max_ranking":19,"analysis_enabled":false,"exclusivity":"open","started":"2007-04-26T23:01:00Z","ended":"2008-01-10T12:22:00Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":2621,"name":"Step forward","director":{"id":20675,"username":"RaikB","country":"de","icon":"https://secure.gravatar.com/avatar/3d9fb2e977ccdddcc8efeb8fc6efc3ae?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1780.665751010124,"deviation":65.40966971956041,"volatility":0.0596596409427389}},"ranking":28.274121197571755,"professional":false,"ui_class":""},"description":"Correspondence type of tournament for players around 10 Kyu","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":30,"time_control_parameters":{"time_control":"fischer","initial_time":604800,"max_time":604800,"time_increment":30},"is_open":true,"exclude_provisional":false,"group":{"id":24,"name":"Double Digit Kyu Room","summary":"For those of us working our way through to SDK. Whether its for your first time up the ladder and the 20th, lets find some opponents and camaraderie. ","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":3691,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":15,"max_ranking":25,"analysis_enabled":true,"exclusivity":"invite","started":"2013-11-04T07:04:57.606653Z","ended":"2013-11-17T18:43:56.639310Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":2810,"name":"Paris World","director":{"id":43779,"username":"DoubleF","country":"fr","icon":"https://user-uploads.online-go.com/d2ee02db83d867aec71edd6e493f5912-64.png","ratings":{"version":5,"overall":{"rating":1566.5101018306307,"deviation":61.67602588084543,"volatility":0.061540695878435574}},"ranking":25.307748912652126,"professional":false,"ui_class":""},"description":"Paris , capitale du monde","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":-1,"rules":"aga","time_per_move":61,"time_control_parameters":{"time_control":"fischer","initial_time":120,"max_time":600,"time_increment":60},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":10,"max_ranking":15,"analysis_enabled":true,"exclusivity":"open","started":"2014-02-10T18:46:32.525874Z","ended":"2014-02-10T19:00:46.394688Z","start_waiting":"2014-02-10T18:46:32.276586Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":411,"name":"Vigor's mini-tournament","director":{"id":12295,"username":"Vigor","country":"hr","icon":"https://secure.gravatar.com/avatar/0ef548c418ad73368225c54f76a561c7?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2259.5375146752303,"deviation":113.4361048622483,"volatility":0.060006106540592324}},"ranking":33.78782246718717,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":22,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2008-01-17T16:53:00Z","ended":"2008-03-29T16:06:00Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":423,"name":"Fight 3 The Death!","director":{"id":15817,"username":"Imagist","country":"un","icon":"https://secure.gravatar.com/avatar/584047ad5883f1044166af7078dd208b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2001.3294336889094,"deviation":65.87546436248702,"volatility":0.05995347723533163}},"ranking":30.978605242221338,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":19,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2008-09-06T17:30:33Z","ended":"2008-09-06T15:30:33Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true}]}