{"count":59757,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=rules&page=4901","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=rules&page=4899","results":[{"id":134436,"name":"9x9 Open D.E. Cup #205","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1261.0956085301882,"deviation":69.56719087101366,"volatility":0.0602088260707527}},"ranking":20.287222156062775,"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":698,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2025-11-23T20:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-11-21T13:18:16.442681Z","ended":null,"start_waiting":"2025-11-21T13:18:16.293574Z","board_size":9,"active_round":5,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":8,"ranked":true},{"id":139984,"name":"Absolute Fortnight - September 2026","director":{"id":710368,"username":"Macrophage","country":"un","icon":"https://user-uploads.online-go.com/90a535ecb859bd75ac6553453904b2ab-64.png","ratings":{"version":5,"overall":{"rating":1719.3208289204492,"deviation":67.74989470964455,"volatility":0.059771221196399764}},"ranking":27.462529287909263,"professional":false,"ui_class":""},"description":"**Beware the absolute time control.**\n\nA tournament series by Macrophage and fix.david\n\nPrevious tournament: https://online-go.com/tournament/138559\n\nNext tournament: Not yet created.","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":9573,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":false,"total_time":1209600},"is_open":true,"exclude_provisional":true,"group":{"id":508,"name":"Fast Correspondence","summary":"Tournaments for people who like to play quick correspondence games.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":823,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"},"auto_start_on_max":false,"time_start":"2026-08-31T23:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","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/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":10,"ranked":true},{"id":135563,"name":"Peace & Love V","director":{"id":694470,"username":"Tristorn","country":"ru","icon":"https://user-uploads.online-go.com/212505565a406634f90eb749b7e71e52-64.png","ratings":{"version":5,"overall":{"rating":1300.8016790416023,"deviation":64.39844728650742,"volatility":0.05998861905603472}},"ranking":21.004869305522845,"professional":false,"ui_class":""},"description":"Let's play!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":18684,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":18000,"initial_time":86400,"max_time":2419200},"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":17980,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2026-08-01T11:00:00Z","players_start":4,"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/88a1228e25c41184ceaf4c4683299256-15.png","player_count":22,"ranked":true},{"id":139967,"name":"Correspondence 9x9 RoundRobin 2026-05-06 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 Site-wide 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":"2026-05-06T19:00:49.087688Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-06T19:00:49.296171Z","ended":null,"start_waiting":"2026-05-06T19:00:49.157135Z","board_size":9,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":6,"ranked":true},{"id":139996,"name":"Correspondence 19x19 RoundRobin 2026-05-07 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 Site-wide Tournament","schedule":{"id":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260524T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-05-24T19:00:16.413509Z","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":"2026-05-27T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"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":"2026-05-07T19:00:49.327583Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-07T19:01:49.589658Z","ended":null,"start_waiting":"2026-05-07T19:01:49.225911Z","board_size":19,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":139994,"name":"19x19 Open D.E. Cup #173","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1261.0956085301882,"deviation":69.56719087101366,"volatility":0.0602088260707527}},"ranking":20.287222156062775,"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":73,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-05-10T21:05:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-09T12:53:28.721301Z","ended":null,"start_waiting":"2026-05-09T12:53:28.650824Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":133471,"name":"Think Different, Find a Game Changer__Qualify Round","director":{"id":1776211,"username":"MAESTRO of BADUK","country":"kr","icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png","ratings":{"version":5,"overall":{"rating":1763.1665375207886,"deviation":67.33418254152319,"volatility":0.060017080713356645}},"ranking":28.045492948860534,"professional":false,"ui_class":""},"description":"This is for players who want to play fast correspondence match \n\nTournament for DDK 25k ~ 11k\n\nStart time: 2 days\n\nFischer:: 7 hours\n\nMax. Time: 3 days\n\n*****\nQualify Round Participant:\n\nIf there are 16 or fewer players, the top two players will advance to the finals.\nAlso,  If there are 16 to 32 players, the top 4 players will advance to the finals round.\n\n*****\nThe winner and runner-up of the final round will receive an invitation to the tournament held in this group up to 1kyu with no qualification restrictions.\n\n(You must be a member of this group to receive an invitation. In accordance with the OGS system, we cannot send you an invitation if you are not a member of the group.)\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":"double_elimination","handicap":0,"rules":"japanese","time_per_move":26568,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":25200,"initial_time":172800,"max_time":259200},"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":72,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png"},"auto_start_on_max":true,"time_start":"2025-10-23T15:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":19,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-22T19:19:48.913694Z","ended":null,"start_waiting":"2025-10-22T19:19:48.403891Z","board_size":19,"active_round":7,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png","player_count":32,"ranked":true},{"id":140582,"name":"Tournament 1","director":{"id":1958787,"username":"Braintured Boomerang","country":"sg","icon":"https://user-uploads.online-go.com/dbf5385eaf8ebc397d0cfe87a678f592-64.png","ratings":{"version":5,"overall":{"rating":920.5334492879327,"deviation":250,"volatility":0.06}},"ranking":13.000000000000002,"professional":false,"ui_class":"provisional"},"description":"Please enjoy this tournament! Haven't made one in a very long time. I need as many people as possible to join. Invite anyone!\n~ Boomerangos\n\n@ChatRoom404","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"japanese","time_per_move":2419200,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":false,"per_move":2419200},"is_open":true,"exclude_provisional":false,"group":{"id":16022,"name":"ChatRoom404","summary":"This is just a group. Do whatever you like here! It is also alright if you want to just join this group and chat. ~Destroyer802 😝","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":19,"icon":"https://user-uploads.online-go.com/8b1bbf17216ac7c771cfc31ad15f297a-64.png"},"auto_start_on_max":false,"time_start":"2026-05-31T23:00:00Z","players_start":2,"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/8b1bbf17216ac7c771cfc31ad15f297a-15.png","player_count":0,"ranked":true},{"id":140448,"name":"Go Zodiac Friendship Games Online ราศีมะโรง รุ่น C กระดาน 19x19 (1-4 คิว)","director":{"id":912068,"username":"cp02","country":"un","icon":"https://user-uploads.online-go.com/ae018e5524da4ed68a067c720b339b3f-64.png","ratings":{"version":5,"overall":{"rating":469.4157984086007,"deviation":153.83582770708145,"volatility":0.06004073543967728}},"ranking":5,"professional":false,"ui_class":""},"description":"แต้มต่อ 6.5 คะแนน","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":15,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":600,"period_time":10,"periods":5},"is_open":true,"exclude_provisional":false,"group":{"id":10405,"name":"Zodiac กลุ่ม C(1-4 คิว)","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":true,"hide_details":false,"member_count":155,"icon":"https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-64.png"},"auto_start_on_max":false,"time_start":"2026-05-29T10:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":null,"ended":null,"start_waiting":null,"board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e347d3f7f8d53cfe3a1fed187a3e1f1e-15.png","player_count":5,"ranked":true},{"id":118997,"name":"go misto1","director":{"id":710628,"username":"TalesMelo","country":"br","icon":"https://user-uploads.online-go.com/6e4f67d3c04713fe600fd6785798c69b-64.png","ratings":{"version":5,"overall":{"rating":1363.4459167215687,"deviation":71.44009203402867,"volatility":0.060001304966852076}},"ranking":22.093718140090214,"professional":false,"ui_class":""},"description":"Initial Time 3 days.\nTime Increment 1 day.\nMax Time 7 days","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":true,"group":{"id":11746,"name":"go misto","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":true,"member_count":5,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2025-10-29T14:00:00Z","players_start":1,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2025-09-10T22:18:56.655927Z","ended":null,"start_waiting":"2025-09-10T22:18:56.363949Z","board_size":9,"active_round":6,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":29,"ranked":true}]}