{"count":60268,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=exclude_provisional&page=4571","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=exclude_provisional&page=4569","results":[{"id":140682,"name":"CHEERFUL GO #137 Single Elimination","director":{"id":1220803,"username":"nobhaete","country":"cn","icon":"https://user-uploads.online-go.com/1565c13b341c9b8bea6066bd85481ee6-64.png","ratings":{"version":5,"overall":{"rating":1997.0205478013518,"deviation":71.50678178001421,"volatility":0.05978873058719383}},"ranking":30.92870928645238,"professional":false,"ui_class":""},"description":"Hi everyone, welcome and have fun!\n\nSingle elimination tournament every Thursday.\n\nPlease contact nobhaete directly if you have any questions.","schedule":null,"title":null,"tournament_type":"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":75,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-64.png"},"auto_start_on_max":false,"time_start":"2026-06-04T04:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":34,"analysis_enabled":true,"exclusivity":"open","started":"2026-06-04T04:00:17.944424Z","ended":null,"start_waiting":"2026-06-04T04:00:17.827282Z","board_size":19,"active_round":2,"icon":"https://user-uploads.online-go.com/6075a51acf2316ac03f5b309db5f3953-15.png","player_count":13,"ranked":true},{"id":141666,"name":"Live 9x9 Double Elimination Tournament 2026-06-28 06:30","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260716T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-07-16T02:00:48.378692Z","lead_time_seconds":1800,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"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":"2026-07-16T06:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":41,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2026-06-28T06:30:16.745592Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2026-06-28T06:31:16.792805Z","ended":"2026-06-28T06:52:04.274108Z","start_waiting":"2026-06-28T06:31:16.744981Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":5,"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":62,"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":"2026-07-14T19:16:12.619396Z","start_waiting":"2026-05-28T16:39:40.704098Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":5,"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":1980.3415643325782,"deviation":67.74667820141417,"volatility":0.0601594143946946}},"ranking":30.73455008255201,"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":2996,"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":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":1997.0205478013518,"deviation":71.50678178001421,"volatility":0.05978873058719383}},"ranking":30.92870928645238,"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":75,"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":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":1701.619084488101,"deviation":67.7051480394114,"volatility":0.06004802426570657}},"ranking":27.222946569964265,"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":82,"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":2,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png","player_count":32,"ranked":true},{"id":66100,"name":"Winter Olympic Games 2020 (№6) (19x19)","director":{"id":776814,"username":"Korotrov 19","country":"ua","icon":"https://user-uploads.online-go.com/1c0b386e473e055af29bcaff72788ef6-64.png","ratings":{"version":5,"overall":{"rating":1627.5011666778498,"deviation":60.69603575167428,"volatility":0.06006221360900416}},"ranking":26.191975476154177,"professional":false,"ui_class":""},"description":"The tournament starts in December.","schedule":null,"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":24000,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":14400,"initial_time":864000,"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":18053,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2020-11-12T22:00:00Z","players_start":200,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2020-11-12T22:01:01.819180Z","ended":null,"start_waiting":"2020-11-12T22:00:39.982018Z","board_size":19,"active_round":34,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":201,"ranked":true},{"id":140068,"name":"Blitz 13x13 Swiss Tournament 2026-05-09 07:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260716T030000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-07-16T03:00:48.386078Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":13,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclude_provisional":true,"players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","settings":{"num_rounds":"3","upper_bar":"20","lower_bar":"10","group_size":"3","maximum_players":40},"next_run":"2026-07-16T07:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":15,"time_control_parameters":{"time_control":"byoyomi","period_time":10,"main_time":300,"periods":5},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2026-05-09T07:30:49.307186Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2026-05-09T07:31:49.381889Z","ended":"2026-05-09T08:11:32.841007Z","start_waiting":"2026-05-09T07:31:49.308961Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":7,"ranked":true},{"id":140071,"name":"Live 9x9 Double Elimination Tournament 2026-05-09 10:30","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260716T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-07-16T02:00:48.378692Z","lead_time_seconds":1800,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"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":"2026-07-16T06:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":41,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2026-05-09T10:30:49.316907Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2026-05-09T10:30:49.413527Z","ended":"2026-05-09T11:04:02.022496Z","start_waiting":"2026-05-09T10:30:49.335269Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":7,"ranked":true},{"id":140075,"name":"Live 9x9 Double Elimination Tournament 2026-05-09 14:30","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260716T020000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-07-16T02:00:48.378692Z","lead_time_seconds":1800,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","size":9,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"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":"2026-07-16T06:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":41,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":300,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2026-05-09T14:30:49.407185Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2026-05-09T14:31:49.445688Z","ended":"2026-05-09T14:58:22.880059Z","start_waiting":"2026-05-09T14:31:49.400077Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":5,"ranked":true}]}