{"count":59412,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=board_size&page=5848","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=board_size&page=5846","results":[{"id":133041,"name":"Sente Tournament 2","director":{"id":1864696,"username":"The Atari Union","country":"in","icon":"https://user-uploads.online-go.com/97a3545e27ab6dc2768c65861fc96dd0-64.png","ratings":{"version":5,"overall":{"rating":275.4271587796327,"deviation":83.19570494461763,"volatility":0.059985568052562735}},"ranking":5,"professional":false,"ui_class":""},"description":"Weekly tournament","schedule":null,"title":null,"tournament_type":"elimination","handicap":-1,"rules":"japanese","time_per_move":4787,"time_control_parameters":{"system":"absolute","time_control":"absolute","speed":"correspondence","pause_on_weekends":true,"total_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":15743,"name":"The Aji Union (+25k Beginners)","summary":"This group is open for all and beginner friendly. If you do not wish to join this group try the The Opening Tournament on Oct 7th, it is called The Aji Tournament!","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":19,"icon":"https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-64.png"},"auto_start_on_max":false,"time_start":"2025-10-17T18:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-17T18:00:46.000632Z","ended":"2025-12-19T20:20:16.930316Z","start_waiting":"2025-10-17T18:00:45.841042Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4a4eaae21c0ccdddb0b5e26d211af026-15.png","player_count":14,"ranked":true},{"id":130609,"name":"Chill and basic Go tournament V","director":{"id":665775,"username":"Behanix","country":"no","icon":"https://secure.gravatar.com/avatar/9f264bcdd3cdee8a4d5c71013aaf4d57?s=64&d=retro","ratings":{"version":5,"overall":{"rating":930.0331612858862,"deviation":64.22289072919479,"volatility":0.05997256294371637}},"ranking":13.23767884201483,"professional":false,"ui_class":"supporter"},"description":"A relaxed Go tournament for beginners and DDKs.\n\nHave fun and try to learn as much as possible.\n\nYou should check in once a day since the max time is 3 days, and time increment is 12 hours.\n\nHandicap is enabled so everyone has a chance to win 🔥\n\nGood luck 🤞\n\nPrevious winners of the Chill and Basic:\n\n1. madbrain\n2. FinRabe","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":-1,"rules":"japanese","time_per_move":45251,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":259200,"max_time":259200},"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":17908,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2025-12-22T09:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-22T09:00:13.840225Z","ended":null,"start_waiting":"2025-12-22T09:00:10.003509Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":65,"ranked":true},{"id":135627,"name":"Blitz 19x19 Elimination Tournament 2025-12-22 09:30","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260420T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-04-20T21:00:38.510222Z","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":"2026-04-21T01:00:00Z","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":"2025-12-22T09:30:14.028708Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-12-22T09:31:10.060760Z","ended":"2025-12-22T09:46:09.315822Z","start_waiting":"2025-12-22T09:31:10.007648Z","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":132857,"name":"第９期かおり杯棋聖戦Ｂリーグ","director":{"id":575743,"username":"site15","country":"un","icon":"https://user-uploads.online-go.com/bc007d9395773691f25a5b61c493d20c-64.png","ratings":{"version":5,"overall":{"rating":2232.771642016839,"deviation":66.15745879617059,"volatility":0.059975550212188235}},"ranking":33.51195664282314,"professional":false,"ui_class":""},"description":"このトーナメントは下記の方が参加予定です。空きがないため参加者となっていない方は参加することができません。\n\nThis tournament have already been “reserved” for members listed below. If you are not one among them, don’t click “Join this tournament!”. (There is no vacancy.)\n\nZenkyuさん、Nebraskaさん、smith0108さん、はっしーのアカウントさん、rinsiさん、TeTAsAさん、keraten_igoさん、gushio0703さん、ハロウィーン0章さん","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":45251,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":2969,"name":"かおり杯-World Kaori Cup-","summary":"For every player who enjoy go game","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":295,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"},"auto_start_on_max":false,"time_start":"2025-10-04T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-10-04T11:00:50.243846Z","ended":"2025-11-22T23:11:40.621968Z","start_waiting":"2025-10-04T11:00:49.746223Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png","player_count":9,"ranked":true},{"id":132856,"name":"第９期かおり杯棋聖戦ＳAリーグ","director":{"id":575743,"username":"site15","country":"un","icon":"https://user-uploads.online-go.com/bc007d9395773691f25a5b61c493d20c-64.png","ratings":{"version":5,"overall":{"rating":2232.771642016839,"deviation":66.15745879617059,"volatility":0.059975550212188235}},"ranking":33.51195664282314,"professional":false,"ui_class":""},"description":"このトーナメントは下記の方が参加予定です。空きがないため参加者となっていない方は参加することができません。\n\nThis tournament have already been “reserved” for members listed below. If you are not one among them, don’t click “Join this tournament!”. (There is no vacancy.)\n\nNovakunさん、micky0427さん、Jango0123さん、マカロニさん、金子太一さん、dk0710さん、nassyさん、kiku11さん","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":45251,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":2969,"name":"かおり杯-World Kaori Cup-","summary":"For every player who enjoy go game","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":295,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"},"auto_start_on_max":false,"time_start":"2025-10-04T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-10-04T11:00:50.669067Z","ended":"2026-01-07T11:59:21.123093Z","start_waiting":"2025-10-04T11:00:50.262742Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png","player_count":8,"ranked":true},{"id":132859,"name":"第９期かおり杯棋聖戦Ｃリーグ２","director":{"id":687819,"username":"site_tmp","country":"un","icon":"https://secure.gravatar.com/avatar/c0dc1d7bd3ca7246ad298f30213416f4?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1500,"deviation":350,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"このトーナメントは下記の方が参加予定です。空きがないため参加者となっていない方は参加することができません。\n\nThis tournament have already been “reserved” for members listed below. If you are not one among them, don’t click “Join this tournament!”. (There is no vacancy.)\n\nshaonaiさん、miku1000さん、fumi23さん、SapporoHeitaさん、EisukeGoさん","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":45251,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":2969,"name":"かおり杯-World Kaori Cup-","summary":"For every player who enjoy go game","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":295,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"},"auto_start_on_max":false,"time_start":"2025-10-04T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-10-04T11:00:49.516362Z","ended":"2025-11-27T19:50:51.182362Z","start_waiting":"2025-10-04T11:00:49.376235Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png","player_count":5,"ranked":true},{"id":131420,"name":"Handicap Arena 2025 - 067","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1047.751568036602,"deviation":63.98747462726221,"volatility":0.06007316520805921}},"ranking":15.996731506232393,"professional":false,"ui_class":"supporter"},"description":"Part of an arena tournament - 2025. For details, rules and arena-standings see the group page.\n\nThe tournament will start as soon as it is full (10 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":105,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-64.png"},"auto_start_on_max":true,"time_start":"2025-08-20T20:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-08-19T20:20:23.870577Z","ended":"2026-01-15T00:55:19.446482Z","start_waiting":"2025-08-19T20:20:23.228435Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/5fe2ed1a16feb631d49732f2de506b9e-15.png","player_count":10,"ranked":true},{"id":131463,"name":"20k-15k Fast Correspondence Round-Robin #5","director":{"id":1408189,"username":"msaari","country":"fi","icon":"https://user-uploads.online-go.com/d84f8843f1ada4bb45291df34e84950f-64.png","ratings":{"version":5,"overall":{"rating":1002.6163704657981,"deviation":62.76521506097277,"volatility":0.05974198209363873}},"ranking":14.97735480821881,"professional":false,"ui_class":""},"description":"Fast round-robin tournament for mid-level DDK players (20k to 15k). No handicaps, NZ rules, Fischer time with 2-day main time and 12 hours per move.\n\nShort vacations are allowed.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"nz","time_per_move":44568,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":172800,"max_time":172800},"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":822,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-64.png"},"auto_start_on_max":true,"time_start":"2025-08-23T04:00:00Z","players_start":8,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":10,"max_ranking":15,"analysis_enabled":true,"exclusivity":"open","started":"2025-08-19T13:43:28.038595Z","ended":"2025-10-08T06:21:26.918229Z","start_waiting":"2025-08-19T13:43:27.518120Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/7cba93c8731bbe4ad1ff73b5abd71818-15.png","player_count":10,"ranked":true},{"id":131454,"name":"Correspondence 19x19 RoundRobin 2025-08-16 19:00","director":{"id":4,"username":"matburt","country":"us","icon":"https://secure.gravatar.com/avatar/1dff84686f829e8ef90e2e123f1baddf?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:20260418T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-04-18T19:00:56.576777Z","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":"2026-04-21T19:00:00Z","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":"2025-08-16T19:00:06.027878Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-08-16T19:00:34.058550Z","ended":"2025-10-11T07:36:58.521752Z","start_waiting":"2025-08-16T19:00:33.887454Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":6,"ranked":true},{"id":132858,"name":"第９期かおり杯棋聖戦Cリーグ１","director":{"id":575743,"username":"site15","country":"un","icon":"https://user-uploads.online-go.com/bc007d9395773691f25a5b61c493d20c-64.png","ratings":{"version":5,"overall":{"rating":2232.771642016839,"deviation":66.15745879617059,"volatility":0.059975550212188235}},"ranking":33.51195664282314,"professional":false,"ui_class":""},"description":"このトーナメントは下記の方が参加予定です。空きがないため参加者となっていない方は参加することができません。\n\nThis tournament have already been “reserved” for members listed below. If you are not one among them, don’t click “Join this tournament!”. (There is no vacancy.)\n\nTakara18さん、BabbLeahさん、ripples7さん、onesound69さん、K___k_F_k__さん、morningshell2988さん","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":45251,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":43200,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":2969,"name":"かおり杯-World Kaori Cup-","summary":"For every player who enjoy go game","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":295,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-64.png"},"auto_start_on_max":false,"time_start":"2025-10-04T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-10-04T11:00:49.733461Z","ended":"2025-10-26T12:14:52.837337Z","start_waiting":"2025-10-04T11:00:49.535584Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/72d62682e212eead0d609e73a208e83d-15.png","player_count":6,"ranked":true}]}