{"count":59253,"next":"https://online-go.com/api/v1/tournaments?format=json&ordering=ended&page=4267","previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=ended&page=4265","results":[{"id":99571,"name":"2nd Sports","director":{"id":935377,"username":"langstonm","country":"un","icon":"https://secure.gravatar.com/avatar/f0166190db1a986ce265b1483b277c5c?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1662.3108939062977,"deviation":290.31896371798047,"volatility":0.05999967537233814}},"ranking":26.681897238489267,"professional":false,"ui_class":"provisional"},"description":"Sports Class Challenge","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":116876,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":864000,"max_time":864000},"is_open":true,"exclude_provisional":false,"group":{"id":12849,"name":"1st Sports Cultural History","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":8,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2023-01-31T14:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-01-31T13:37:05.632316Z","ended":"2023-02-23T12:52:22.250745Z","start_waiting":"2023-01-31T13:37:05.521061Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":7,"ranked":true},{"id":99493,"name":"Aリーグ（2k+）","director":{"id":874208,"username":"FUKO.S","country":"jp","icon":"https://user-uploads.online-go.com/aa170ff76e007cc7bc7a15709e85dbb8-64.png","ratings":{"version":5,"overall":{"rating":2208.151542128061,"deviation":68.94747429756583,"volatility":0.06003767154281009}},"ranking":33.25527075653788,"professional":false,"ui_class":"supporter"},"description":"リーグ開始時に参加されているメンバーでの総あたり戦になります。（レーティングによる自動ハンデ付き）\n\nIt will be a round-robin tournament with automatic handicapping based on ratings.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"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":false,"group":{"id":7692,"name":"Yushima Go Cafe （湯島囲碁喫茶）","summary":"This is a group exclusively for guests of Yushima Go Cafe and members of the Online Go Salon.\n湯島囲碁喫茶のゲスト＆オンライン囲碁サロンメンバー専用のグループです。","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":114,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-64.png"},"auto_start_on_max":false,"time_start":"2023-02-04T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":27,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2023-02-04T11:00:50.719689Z","ended":"2023-02-23T13:45:10.455795Z","start_waiting":"2023-02-04T11:00:50.656203Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/8246898de5c953274f7be81122b75b69-15.png","player_count":3,"ranked":true},{"id":98141,"name":"Correspondence 9x9 RoundRobin 2022-12-23 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 Sitewide Tournament","schedule":{"id":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260405T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-05T19:00:18.080101Z","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":"2026-04-08T19:00:00Z","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":"2022-12-23T19:00:42.331915Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2022-12-23T19:01:42.254708Z","ended":"2023-02-23T15:03:26.546278Z","start_waiting":"2022-12-23T19:01:41.566226Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":100420,"name":"Live 9x9 Double Elimination Tournament 2023-02-23 14:30","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 Sitewide Tournament","schedule":{"id":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260406T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-04-06T10:00:17.672109Z","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":"2026-04-06T14:00:00Z","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":"2023-02-23T14:30:45.363223Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-02-23T14:30:47.008301Z","ended":"2023-02-23T15:30:28.649068Z","start_waiting":"2023-02-23T14:30:46.634515Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":10,"ranked":true},{"id":98658,"name":"Correspondence 9x9 RoundRobin 2023-01-07 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 Sitewide Tournament","schedule":{"id":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260405T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-04-05T19:00:18.080101Z","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":"2026-04-08T19:00:00Z","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":"2023-01-07T19:00:58.420900Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2023-01-07T19:01:01.041573Z","ended":"2023-02-23T17:17:59.428611Z","start_waiting":"2023-01-07T19:01:00.657897Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":9,"ranked":true},{"id":100423,"name":"Blitz 19x19 Elimination Tournament 2023-02-23 17:30","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 Sitewide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260406T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-04-06T09:00:17.681171Z","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":"2026-04-06T13:00:00Z","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":"2023-02-23T17:30:52.821013Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-02-23T17:30:54.159082Z","ended":"2023-02-23T17:49:19.542122Z","start_waiting":"2023-02-23T17:30:54.044538Z","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":94197,"name":"DDK only","director":{"id":1006991,"username":"WillMa","country":"cn","icon":"https://secure.gravatar.com/avatar/3b854740fb42fc74c8b43503d4f64f46?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1425.3905788313666,"deviation":65.04358839826483,"volatility":0.06003849668312953}},"ranking":23.12228674059785,"professional":false,"ui_class":""},"description":"10-25k","schedule":null,"title":null,"tournament_type":"swiss","handicap":-1,"rules":"japanese","time_per_move":186240,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":1209600,"period_time":172800,"periods":7},"is_open":true,"exclude_provisional":true,"group":{"id":9509,"name":"Goggle","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":14,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2022-11-10T19:00:00Z","players_start":2,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":20,"analysis_enabled":true,"exclusivity":"open","started":"2022-09-24T11:16:56.116942Z","ended":"2023-02-23T18:51:43.588826Z","start_waiting":"2022-09-24T11:16:55.743774Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":6,"ranked":true},{"id":69383,"name":"Meijin Main Title Tournament 2021","director":{"id":40318,"username":"gamesorry","country":"cn","icon":"https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2004.4188438214221,"deviation":67.71437067217448,"volatility":0.06015576961047741}},"ranking":31.014313855840236,"professional":false,"ui_class":"supporter"},"description":"Meijin Main Title Tournament 2021\n\nTitle Holder:\nSadaharu [Meijin] x1\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\t\n\t\n\t\n\t\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\t\n\t\n\t\n\t\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\t\n\t\n\t\n\t\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\t\n\t\n\t\n\t\n\n
YearTitle Match WinnerScoreTitle Match Runner-upTitle Tournament WinnerGoldTitle Tournament Runner-upSilverTitle Tournament 3rd PlaceBronze
2008AkimoonAkimoon (1k)wossname (1d)dmg (4k)
2009Uberdude∗AkimoonUberdude (6d)surcouf (1k)gomad361 (2d)
2010Uberdude5-0gomad361gomad361 (2d)morituri (2d)stonedaze (1k)
2011Uberdude∗RathboneRathbone (4d)vitality (5d)illluck (1d)
2012vitality∗Uberdudevitality (5d)nrx (3d)gojohn (3d)
2013vitality4-1gamesorrygamesorry (3d)fabu (1d)rtayek (2k)
2014vitality5-0SadaharuSadaharu (5d)pokkapoka (3d)gamesorry (3d)
2015vitality4-0drmwcdrmwc (5d)Elin (3d)halifax (3d)
2016Sadaharu5-0tupelovlin (9d)Sadaharu (9d)tupelo (3d)
2017Lomis0-0gamesorrymicky0427 (5d)# (4d)Lomis (2d)
2018Sadaharu [9d]rzhang20877 [9d]Puffin888 [6d]
2019Ongoing: Round 3
2020Ongoing: Round 2
\n\n∗ means the games were finished by timeout or retirement. Old OGS ranks are displayed for cycles before 2015.\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":93120,"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":2970,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2021-01-25T22:00:00Z","players_start":150,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2021-01-26T17:07:10.945349Z","ended":"2023-02-23T20:37:23.510888Z","start_waiting":"2021-01-26T17:06:39.521679Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":150,"ranked":true},{"id":100430,"name":"Blitz 19x19 Elimination Tournament 2023-02-23 21:30","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 Sitewide Tournament","schedule":{"id":1,"name":"Blitz 19x19 Elimination Tournament","rrule":"DTSTART:20260406T090000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:06:42.010011Z","last_run":"2026-04-06T09:00:17.681171Z","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":"2026-04-06T13:00:00Z","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":"2023-02-23T21:30:02.647478Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-02-23T21:30:04.063046Z","ended":"2023-02-23T22:01:45.123099Z","start_waiting":"2023-02-23T21:30:03.898529Z","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":100431,"name":"Live 9x9 Double Elimination Tournament 2023-02-23 22:30","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 Sitewide Tournament","schedule":{"id":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260406T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-04-06T10:00:17.672109Z","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":"2026-04-06T14:00:00Z","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":"2023-02-23T22:30:05.132993Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-02-23T22:30:06.542054Z","ended":"2023-02-23T22:56:11.775557Z","start_waiting":"2023-02-23T22:30:06.390379Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":4,"ranked":true}]}