{"count":61435,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-ended&page=20","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-ended&page=18","results":[{"id":142366,"name":"19x19 Brasil Open - 2027","director":{"id":1023050,"username":"allan-silva","country":"br","icon":"https://user-uploads.online-go.com/fe8e1d6e531935742531e8a434de2723-64.png","ratings":{"version":5,"overall":{"rating":1152.2760150561257,"deviation":65.11874519387042,"volatility":0.059907099598219764}},"ranking":18.198125788429977,"professional":false,"ui_class":""},"description":"19x19 Brasil Open - 2027\n\nBrasil Open é um torneio criado por um jogador brasileiro e aberto para qualquer pessoa.\n\n__\n\nBrasil Open is a tournament created by a Brazilian player and is open to everyone around the world.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":16436,"name":"BR Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":7,"icon":"https://user-uploads.online-go.com/684691fc56f7b159a5119a8e17398dab-64.png"},"auto_start_on_max":true,"time_start":"2027-01-01T16:00:00Z","players_start":20,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":null,"ended":null,"start_waiting":null,"board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/684691fc56f7b159a5119a8e17398dab-15.png","player_count":14,"ranked":true},{"id":145127,"name":"HAPPY GO #166 Double Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/e840f4920c1211e712dd265d8b780926-64.png","ratings":{"version":5,"overall":{"rating":1906.4106007455605,"deviation":72.35767416251798,"volatility":0.05979961805032135}},"ranking":29.853759030663117,"professional":false,"ui_class":""},"description":"Hi everyone, welcome and have FUN!\n\nDouble elimination tournament every Sunday.\n\nPlease contact nobhaete directly if you have any questions.","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"chinese","time_per_move":43884,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":86400,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":12619,"name":"Happy Go!!!","summary":"Feel free to join and create tournaments！\nCreate tournaments = admin\n\nDouble Elimination tournaments every Sunday    \nSingle Elimination tournaments every Thursday\n\nHAPPY","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":82,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2026-10-18T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":34,"analysis_enabled":true,"exclusivity":"open","started":"2026-10-18T04:00:05.468745Z","ended":null,"start_waiting":"2026-10-18T04:00:05.300963Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":16,"ranked":true},{"id":144962,"name":"Weekly Tatarstan group tournament №6","director":{"id":1495656,"username":"Ivan Ivo","country":"ru","icon":"https://secure.gravatar.com/avatar/bed0ba7d3762d20f7e7b26c065599e8e?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1414.349663852872,"deviation":70.55554578506704,"volatility":0.06002039207579753}},"ranking":22.94227135338855,"professional":false,"ui_class":""},"description":"ЕСЛИ ВЫ ЖИВЕТЕ В ТАТАРСТАНЕ ОБЯЗАТЕЛЬНО ПИШИТЕ НА ЭТОТ НИК, ПОЛАГАЕТСЯ БОНУС, Ivan Ivochkin, все условия объяснят","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":15184,"name":"Tatarstan","summary":"<img src=\"http://kazchess.ru/wp-content/uploads/2020/02/%D1%84%D0%BE%D1%82%D0%BE-%D0%B4%D0%B5%D1%82.jpg\">","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":31,"icon":"https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-64.png"},"auto_start_on_max":false,"time_start":"2026-10-26T08:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":null,"ended":null,"start_waiting":null,"board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-15.png","player_count":7,"ranked":true},{"id":138319,"name":"9x9 Open D.E. Cup #229","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1316.2081538942523,"deviation":70.06730742642067,"volatility":0.06033179136139116}},"ranking":21.277442995339452,"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/10842","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","time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":3524,"name":"9x9 Lovers","summary":"A group for Go players who love the 9x9 board.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":723,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2026-03-22T20:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-03-19T15:28:30.612969Z","ended":null,"start_waiting":"2026-03-19T15:28:30.304106Z","board_size":9,"active_round":6,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":8,"ranked":true},{"id":144989,"name":"สาระRAiLs Tour ครั้งที่ 86","director":{"id":148806,"username":"โอ๋ชิงหยวน","country":"th","icon":"https://user-uploads.online-go.com/d3f8fcc6dbd4915bc123f62b337be552-64.png","ratings":{"version":5,"overall":{"rating":1540.7868524200774,"deviation":64.88556232289432,"volatility":0.059498179148183845}},"ranking":24.924453182375302,"professional":false,"ui_class":""},"description":"RESPECT","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":23651,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":21600,"initial_time":259200,"max_time":432000},"is_open":true,"exclude_provisional":false,"group":{"id":2571,"name":"Go World Wide","summary":"enjoy","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":90,"icon":"https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-64.png"},"auto_start_on_max":true,"time_start":"2026-10-16T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":20,"max_ranking":35,"analysis_enabled":false,"exclusivity":"open","started":"2026-10-12T13:55:05.215865Z","ended":null,"start_waiting":"2026-10-12T13:55:04.776490Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/889d994a8e18efb0db03c85b562aaad1-15.png","player_count":10,"ranked":true},{"id":67691,"name":"for fun","director":{"id":841555,"username":"anakwok1114","country":"un","icon":"https://secure.gravatar.com/avatar/2cbd35713ba5aa7f95ee742258396730?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1112.7132241858571,"deviation":66.50297708617926,"volatility":0.05999802796663696}},"ranking":17.389316850580485,"professional":false,"ui_class":""},"description":"for fun","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":2446080,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":false,"main_time":2419200,"period_time":2419200,"periods":15},"is_open":true,"exclude_provisional":false,"group":{"id":3207,"name":"New Zealand Tournaments","summary":"This group exists as a place to enjoy weekly tournaments with competitively minded players using the lesser known but arguably strategically superior New Zealand rule set. All are welcome here ヽ(≧◡≦)ノ","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":592,"icon":"https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-64.png"},"auto_start_on_max":true,"time_start":"2020-11-11T12:00:00Z","players_start":50,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-11-21T21:46:00.874175Z","ended":null,"start_waiting":"2020-11-21T21:45:58.568608Z","board_size":19,"active_round":5,"icon":"https://user-uploads.online-go.com/6eb69fa03f2ad6946a5ae7783753aaa4-15.png","player_count":50,"ranked":true},{"id":144045,"name":"1st ever tourney","director":{"id":1891062,"username":"Spencerisbackz","country":"us","icon":"https://user-uploads.online-go.com/8ba2e7b239c00237718e9646785f5434-64.png","ratings":{"version":5,"overall":{"rating":1063.997731738612,"deviation":68.46400543931891,"volatility":0.06014573485683339}},"ranking":16.35293487743332,"professional":false,"ui_class":""},"description":"1st: 5 points \n2nd: 3 points\n3rd: 1 point\n\nGood luck and have fun!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":98590,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":345600,"max_time":777600},"is_open":true,"exclude_provisional":false,"group":{"id":16688,"name":"Group of life","summary":"Live it up in here","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":12,"icon":"https://user-uploads.online-go.com/78927f80fee9b54204b88cb16891ba06-64.png"},"auto_start_on_max":true,"time_start":"2026-09-10T22:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-09-10T22:00:36.034936Z","ended":null,"start_waiting":"2026-09-10T22:00:35.928948Z","board_size":9,"active_round":2,"icon":"https://user-uploads.online-go.com/78927f80fee9b54204b88cb16891ba06-15.png","player_count":9,"ranked":true},{"id":145153,"name":"Weekly Tatarstan group tournament №7","director":{"id":1495656,"username":"Ivan Ivo","country":"ru","icon":"https://secure.gravatar.com/avatar/bed0ba7d3762d20f7e7b26c065599e8e?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1414.349663852872,"deviation":70.55554578506704,"volatility":0.06002039207579753}},"ranking":22.94227135338855,"professional":false,"ui_class":""},"description":"ЕСЛИ ВЫ ЖИВЕТЕ В ТАТАРСТАНЕ ОБЯЗАТЕЛЬНО ПИШИТЕ НА ЭТОТ НИК, ПОЛАГАЕТСЯ БОНУС, Ivan Ivochkin, все условия объяснят","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":15184,"name":"Tatarstan","summary":"<img src=\"http://kazchess.ru/wp-content/uploads/2020/02/%D1%84%D0%BE%D1%82%D0%BE-%D0%B4%D0%B5%D1%82.jpg\">","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":31,"icon":"https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-64.png"},"auto_start_on_max":false,"time_start":"2026-11-02T10:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":null,"ended":null,"start_waiting":null,"board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/742f13972d1ab21b905676569922fa19-15.png","player_count":3,"ranked":true},{"id":145134,"name":"19x19 Open D.E. Cup #202","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1316.2081538942523,"deviation":70.06730742642067,"volatility":0.06033179136139116}},"ranking":21.277442995339452,"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":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":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":90,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-10-18T21:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-10-17T04:40:28.960372Z","ended":null,"start_waiting":"2026-10-17T04:40:28.871554Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":145158,"name":"Mid-October DDK Tournament","director":{"id":58836,"username":"DrQuantum","country":"us","icon":"https://user-uploads.online-go.com/5192a63f12fa80c878392f9d0034612b-64.png","ratings":{"version":5,"overall":{"rating":1004.3911216510535,"deviation":61.73829999963932,"volatility":0.05899542379707856}},"ranking":15.018296858319694,"professional":false,"ui_class":""},"description":"A new tournament for DDKs to join.  With so few DDK 19x19 options out, there's a need for another.  So here it is!  Moderately paced with a Fischer clock at 12 hours per move, with weekends free. Please join us!","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":45251,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":43200,"initial_time":259200,"max_time":604800},"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":18214,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2026-10-24T14:00:00Z","players_start":12,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":null,"ended":null,"start_waiting":null,"board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":13,"ranked":true}]}