{"count":59887,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-is_open&page=14","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-is_open&page=12","results":[{"id":140528,"name":"Blitz 19x19 Elimination Tournament 2026-05-23 17:30","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:20260610T210000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-06-10T21:00:18.765121Z","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":"2026-06-11T01:00:00Z","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":"2026-05-23T17:30:17.150260Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2026-05-23T17:31:16.340531Z","ended":"2026-05-23T18:00:15.598240Z","start_waiting":"2026-05-23T17:31:16.280898Z","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":139566,"name":"Monday Morning 19x19 #85","director":{"id":1246361,"username":"katonal_edu","country":"hu","icon":"https://user-uploads.online-go.com/fd87b19ee0fd28a43416a872362f254b-64.png","ratings":{"version":5,"overall":{"rating":1482.4218691165722,"deviation":66.99404105360328,"volatility":0.06001699194390396}},"ranking":24.030490914607018,"professional":false,"ui_class":""},"description":"To have a good start of the week you need to join this 19x19 #85 tournament. But before doing so, please consider that it would be nice to have at least one move per day. Furthermore, conditional moves are not allowed. Thanks in advance for participating. Have fun! Enjoy it!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":87768,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":172800,"max_time":172800},"is_open":true,"exclude_provisional":true,"group":{"id":12889,"name":"Monday Morning","summary":"Welcome to Monday Morning group\n\nIf you feel that Mondays are mentally difficult for you, just join us and start your week with special things like playing go.","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":49,"icon":"https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-64.png"},"auto_start_on_max":false,"time_start":"2026-05-25T08:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":27,"analysis_enabled":false,"exclusivity":"open","started":"2026-05-25T08:00:16.767788Z","ended":null,"start_waiting":"2026-05-25T08:00:16.426698Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/2bdb6183a5c2ea5f43301eda9ab4f643-15.png","player_count":34,"ranked":true},{"id":113900,"name":"☆All levels☆ D.E ★19x19★","director":{"id":1530557,"username":"deleted-2245d2ed-63dc-486d-bac3-3e7bc2842ec3","country":"zz","icon":"https://user-uploads.online-go.com/2e30bc6a6d69827e315344251140efb0-64.png","ratings":{"version":5,"overall":{"rating":1368.1687214821684,"deviation":204.7833846580227,"volatility":0.059999657760817}},"ranking":22.17376825962014,"professional":false,"ui_class":"provisional"},"description":"All levels","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":true,"group":{"id":14119,"name":"신중하게 두자","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":8,"icon":"https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-64.png"},"auto_start_on_max":true,"time_start":"2024-06-16T06:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2024-06-14T11:59:52.426879Z","ended":"2026-05-27T16:38:18.414609Z","start_waiting":"2024-06-14T11:59:52.266364Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/2e6b85e5c11bd1fc1b46b0d6167b5793-15.png","player_count":10,"ranked":true},{"id":139518,"name":"Honinbo Nines Title Tournament 2025","director":{"id":40318,"username":"gamesorry","country":"cn","icon":"https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2012.4577753856806,"deviation":67.4432200001064,"volatility":0.06015425642601073}},"ranking":31.106973666837828,"professional":false,"ui_class":"supporter"},"description":"Honinbo Nines Title Tournament 2025\n\nTitle Holder: \nSadaharu [Honorary Nines Honinbo] x2+3\n\nHall of Fame:\n\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n\n\t\n\t\n\t\n\n
YearTitle Match WinnerScoreTitle Match Runner-up\n\tTitle Tournament Winner\n\t\tGold\n\t\n\t\tTitle Tournament Runner-up\n\t\tSilver\n\t\n\t\tTitle Tournament 3rd Place\n\tBronze\n\t
2007SpandamSpandam (2d)willbrooks (2d)redacted (2k)
2008KlausP∗SpandamKlausP (3d)KyuT (4d)Akimoon (1k)
2009KyuT3-2KlausPKyuT (4d)KlausP (3d)phoward (4k)
2010KlausP∗KyuTKlausP (3d)Highwayman (1d)kennabee (2d)
2011vitality∗KlausPvitality (5d)KlausP (3d)joachim (2k)
2012vitality4-1FromHellvitality (5d)FromHell (1d)Wloczykij (1d)
2013vitality3-2gamesorrygamesorry (2d)nrx (3d)devariot (2k)
2014vitality4-1devariotdevariot (2k)nrx (3d)drmwc (6d)
2015Sadaharu3-2vitalityRagnar Danneshild (1d)Sadaharu (5d)vinceuji (1k)
2016Sadaharu5-0meteormeteor (2k)gamesorry (3d)Jeno61 (2d)
2017Sadaharu5-0gamesorryFanSlim (9d)nixent (3d)gamesorry (3d)
2018arfn6∗BaklanBaklan (8d)Sadaharu (9d)arfn6 (2d)
2019Sadaharu∗BaklanSadaharu (9d)Baklan (5d)Borealiz (5d)
2020Sadaharu3-2mark5000Agzam [6d]mark5000 [6d]yangzhou24 [4d]
2021TBA: SadaharuvsWvlfpvpWvlfpvp [6d]mark5000 [5d]wighter1 [4d]
2022Tenebris [1d]Rise. [3d]gs2020 [4d]
2023Sadaharu [5d]rainysky [5d]tacololo [3k]
\n\n∗ means the games were finished by timeout or retirement. Old OGS ranks were displayed for tournaments before 2017.\n\nNotes: \n- The starting time on this page is an approximation and subject to change. It will be finalized once the announcement is posted in OGS Title Tournaments group and Title Tournament Announcement.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":107733,"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":2981,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2026-05-11T06:00:00Z","players_start":30,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-11T06:00:51.297015Z","ended":null,"start_waiting":"2026-05-11T06:00:49.537565Z","board_size":9,"active_round":1,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":51,"ranked":true},{"id":140058,"name":"9x9 Mini League 1k-9k #174","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1336.2097301293136,"deviation":70.7085945980447,"volatility":0.060211746021122135}},"ranking":21.626592554145315,"professional":false,"ui_class":""},"description":"Special league for players between 9kyu and 1kyu. Tournament will be started as soon as 5 players will join it.\n\nPrevious winners: https://online-go.com/group/10842","schedule":null,"title":null,"tournament_type":"roundrobin","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":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":704,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2026-05-17T19:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":21,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2026-05-17T07:07:16.177280Z","ended":null,"start_waiting":"2026-05-17T07:07:16.073658Z","board_size":9,"active_round":1,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":5,"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":1765.8457749710974,"deviation":66.75091733123472,"volatility":0.060023906467443114}},"ranking":28.080644063903023,"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":74,"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":1,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png","player_count":32,"ranked":true},{"id":126783,"name":"Through the years: Short Correspondence","director":{"id":526987,"username":"Gia","country":"gr","icon":"https://user-uploads.online-go.com/14567c9a0670b7d4a44606ba237f054d-64.png","ratings":{"version":5,"overall":{"rating":1050.580451514109,"deviation":64.79856534736564,"volatility":0.06006386072185373}},"ranking":16.059151267804946,"professional":false,"ui_class":"supporter"},"description":"A cousin to the Forever Tournament.\n\n12 rounds, as many players as possible, but only 2 days per move.\n\nSee how long this one lasts!\nThe previous one got to almost 3 years, or one round of the Big One. \nLet's see if this lasts until the 3 Big round starts!","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":172800,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":172800},"is_open":true,"exclude_provisional":false,"group":{"id":5404,"name":"Through the Years: Long Correspondence (Group)","summary":"Group dedicated to long correspondence tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":211,"icon":"https://user-uploads.online-go.com/2d35fbbad52e338c0715924db56c4b00-64.png"},"auto_start_on_max":false,"time_start":"2025-04-01T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-04-01T09:00:13.430420Z","ended":null,"start_waiting":"2025-04-01T09:00:13.102386Z","board_size":19,"active_round":6,"icon":"https://user-uploads.online-go.com/2d35fbbad52e338c0715924db56c4b00-15.png","player_count":23,"ranked":true},{"id":137530,"name":"HAPPY GO #139 Double Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png","ratings":{"version":5,"overall":{"rating":2037.501899041958,"deviation":71.22899024495385,"volatility":0.05980934152952386}},"ranking":31.39328706225134,"professional":false,"ui_class":""},"description":"Hi everyone, welcome and have FUN!\n\nPAUSE/ VACATION = DISQUALIFICATION! If your opponent pauses or has a vacation, or you have any question, please contact nobhaete directly.\n\nDouble elimination tournament every Sunday.","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":74,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2026-02-22T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":34,"analysis_enabled":true,"exclusivity":"open","started":"2026-02-22T04:00:40.391906Z","ended":null,"start_waiting":"2026-02-22T04:00:40.102080Z","board_size":19,"active_round":3,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":12,"ranked":true},{"id":126474,"name":"Sadaharu🦔🦔🦔","director":{"id":1707341,"username":"абрикосик кoтик","country":"kz","icon":"https://user-uploads.online-go.com/ee34d369ea0cd149373bf34337fb8672-64.png","ratings":{"version":5,"overall":{"rating":469.5287450902599,"deviation":70.48489661058206,"volatility":0.06020834733651045}},"ranking":5,"professional":false,"ui_class":""},"description":"🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔🦔","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"aga","time_per_move":623947,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":604800,"initial_time":2419200,"max_time":2419200},"is_open":true,"exclude_provisional":false,"group":{"id":13797,"name":" 无间勤碁术化 Go Advance forward forever","summary":"欢迎围棋爱好者来到属于您的园地\n\n\n In Your 💖 Go to Universes everywhere","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":496,"icon":"https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-64.png"},"auto_start_on_max":false,"time_start":"2025-03-19T11:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-03-19T11:00:17.505165Z","ended":"2026-05-28T03:48:35.603328Z","start_waiting":"2025-03-19T11:00:17.039323Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/175d0b2a36101a52411db11b4d096829-15.png","player_count":10,"ranked":true},{"id":140412,"name":"13x13 Mini League 10k-25k #64","director":{"id":1688153,"username":"Mittelmark","country":"de","icon":"https://user-uploads.online-go.com/f86d53e1b08ba490783eac759518a835-64.png","ratings":{"version":5,"overall":{"rating":1073.2840100977699,"deviation":66.95187850935433,"volatility":0.06002501957710229}},"ranking":16.55410507658349,"professional":false,"ui_class":"supporter"},"description":"A little round robin with 4 games for everyone on a 13x13 board with (not too) relaxed time settings.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":93703,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":432000,"max_time":1209600},"is_open":true,"exclude_provisional":true,"group":{"id":161,"name":"13x13","summary":"Like to play on a 13 x 13 board?","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":59,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2026-05-29T18:00:00Z","players_start":5,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":20,"analysis_enabled":false,"exclusivity":"open","started":"2026-05-28T16:39:40.803871Z","ended":null,"start_waiting":"2026-05-28T16:39:40.704098Z","board_size":13,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":5,"ranked":true}]}