{"count":60889,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=480","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-subsequent_pairing_method&page=478","results":[{"id":99152,"name":"Meijin Main Title Tournament 2023","director":{"id":40318,"username":"gamesorry","country":"cn","icon":"https://secure.gravatar.com/avatar/801cba34b77e0105326c402cc482cb09?s=64&d=retro","ratings":{"version":5,"overall":{"rating":2005.6088688450825,"deviation":68.91898711531289,"volatility":0.06015473951207492}},"ranking":31.028053950463246,"professional":false,"ui_class":"supporter"},"description":"Meijin Main Title Tournament 2023\n\nTitle Holder:\nSadaharu [Meijin] x1+1\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\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)
2017Lomis5-0gamesorrymicky0427 [5d]# [4d]Lomis [2d]
2018Sadaharu [9d]rzhang20877 [9d]Puffin888 [6d]
2019Puffin888 [6d]Kulturfreund [2d]GoSeigenTwitch [3d]
2020Neandertaler [3d]WaterDancer [2d]HellRaven [2d]
2021Ongoing: Round 3
2022Ongoing: Round 1
\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":91187,"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":3016,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2023-03-27T06:59:00Z","players_start":150,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2023-03-27T06:59:17.221521Z","ended":"2026-02-26T08:58:11.416845Z","start_waiting":"2023-03-27T06:59:08.219505Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":213,"ranked":true},{"id":143759,"name":"19x19","director":{"id":2092904,"username":"KataGo_AI","country":"cn","icon":"https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-64.png","ratings":{"version":5,"overall":{"rating":1852.8491086341355,"deviation":239.5797407737681,"volatility":0.05999948335635357}},"ranking":29.194037408564512,"professional":false,"ui_class":"bot provisional"},"description":"19x19","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"chinese","time_per_move":35,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":600,"period_time":30,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":16659,"name":"Go AI For Computers","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":14,"icon":"https://user-uploads.online-go.com/970f85588054a4f6a7c4e69c355a442c-64.png"},"auto_start_on_max":true,"time_start":"2026-09-01T06:05:00Z","players_start":20,"first_pairing_method":"random","subsequent_pairing_method":"strength","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/970f85588054a4f6a7c4e69c355a442c-15.png","player_count":1,"ranked":false},{"id":130619,"name":"Live 19x19 Swiss Tournament 2025-07-19 16:31","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":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260831T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-08-31T20:00:32.096525Z","lead_time_seconds":1800,"tournament_type":"swiss","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"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":"2026-09-01T00:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":35,"time_control_parameters":{"time_control":"byoyomi","period_time":30,"main_time":600,"periods":3},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2025-07-19T16:31:03.835097Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-07-19T16:31:57.787392Z","ended":"2025-07-19T18:40:00.305886Z","start_waiting":"2025-07-19T16:31:57.702145Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":7,"ranked":true},{"id":654,"name":"The Return 2","director":{"id":11897,"username":"Baby_Lucifer63467","country":"un","icon":"https://secure.gravatar.com/avatar/41eccf74b4c9d21c4b47db017c90c81a?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1511.40778006541,"deviation":65.74550217407152,"volatility":0.06000717697124527}},"ranking":24.47877614475353,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":9,"max_ranking":13,"analysis_enabled":false,"exclusivity":"open","started":"2009-03-14T08:18:43Z","ended":"2009-03-14T07:18:43Z","start_waiting":null,"board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":14445,"name":"FSTS Nines February 2016 Rush","director":{"id":135535,"username":"DarkSpirit","country":"_CIS","icon":"https://user-uploads.online-go.com/3ff0cbeb74378914ca08a8ab7741274f-64.png","ratings":{"version":5,"overall":{"rating":1368.452026020624,"deviation":62.29275318546769,"volatility":0.05999468544710196}},"ranking":22.178561397357377,"professional":false,"ui_class":""},"description":"Massive 9x9 tournament.","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":91200,"time_control_parameters":{"time_control":"fischer","initial_time":432000,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":353,"name":"Four Seasons Tournament Series","summary":"Серия турниров \"Четыре Сезона\"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":true,"member_count":623,"icon":"https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-64.png"},"auto_start_on_max":false,"time_start":"2016-02-27T13:30:00Z","players_start":10,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"group","started":"2016-02-27T13:30:29.566544Z","ended":"2017-01-19T01:32:46.039385Z","start_waiting":"2016-02-27T13:30:28.568579Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png","player_count":13,"ranked":true},{"id":653,"name":"The Return Tournament 1","director":{"id":11897,"username":"Baby_Lucifer63467","country":"un","icon":"https://secure.gravatar.com/avatar/41eccf74b4c9d21c4b47db017c90c81a?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1511.40778006541,"deviation":65.74550217407152,"volatility":0.06000717697124527}},"ranking":24.47877614475353,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":13,"analysis_enabled":false,"exclusivity":"open","started":"2008-11-25T14:27:15Z","ended":"2008-11-25T13:27:15Z","start_waiting":null,"board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":652,"name":"Mini-mini-tournament 2","director":{"id":21970,"username":"cook777","country":"un","icon":"https://secure.gravatar.com/avatar/0f098ad54cec84475b7a3faa0a0fc9fc?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1887.652406918629,"deviation":68.3275060222648,"volatility":0.06044844218564597}},"ranking":29.624845739259918,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":-1,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":false,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2008-12-24T04:45:36Z","ended":"2008-12-24T03:45:36Z","start_waiting":null,"board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":651,"name":"Koe's mini-tournament","director":{"id":20121,"username":"Koe","country":"ar","icon":"https://secure.gravatar.com/avatar/6b9696b645c650e6ad10c068a0cd06d6?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1528.2087259412658,"deviation":64.39211481952096,"volatility":0.059866491991493694}},"ranking":24.734693861495266,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":19,"analysis_enabled":false,"exclusivity":"open","started":"2008-12-11T19:15:39Z","ended":"2008-12-11T18:15:39Z","start_waiting":null,"board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":650,"name":"Andreas' 17th mini-tournament","director":{"id":12608,"username":"Andreas","country":"un","icon":"https://secure.gravatar.com/avatar/9391313b744a480fccc4b2ffa6031575?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1708.106347149412,"deviation":65.43808331330433,"volatility":0.05994359485799847}},"ranking":27.311035957117518,"professional":false,"ui_class":""},"description":"","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":78,"name":"OGS Mini Tournaments","summary":"The home for all of the old OGS mini tournaments","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":386,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2008-11-13T04:34:27Z","ended":"2008-11-13T03:34:27Z","start_waiting":null,"board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":0,"ranked":true},{"id":15530,"name":"Blitz 13x13 Swiss Tournament 2016-03-07 19:30","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 Sitewide Tournament","schedule":{"id":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260831T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-08-31T23:00:33.588947Z","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":"2026-09-01T03:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"swiss","handicap":0,"rules":"japanese","time_per_move":13,"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":"2016-03-07T19:30:13.359746Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2016-03-07T19:30:14.956657Z","ended":"2016-03-07T20:09:06.062042Z","start_waiting":"2016-03-07T19:30:14.839446Z","board_size":13,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_13.png","player_count":6,"ranked":true}]}