{"count":60022,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=player_count&page=5876","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=player_count&page=5874","results":[{"id":140329,"name":"19x19 Brasil Open - Handicap - 2026.06","director":{"id":1023050,"username":"allan-silva","country":"br","icon":"https://user-uploads.online-go.com/fe8e1d6e531935742531e8a434de2723-64.png","ratings":{"version":5,"overall":{"rating":1154.736808780899,"deviation":64.52591758853175,"volatility":0.0599166793130999}},"ranking":18.247512073365165,"professional":false,"ui_class":""},"description":"19x19 Brasil Open - Handicap - 2026.06\n\nBrasil Open é um torneio criado por um jogador brasileiro e aberto para qualquer pessoa.\n\n__\n\nBrasil Open is a tournament created by a Brazilian player and is open to everyone around the world.","schedule":null,"title":null,"tournament_type":"elimination","handicap":-1,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":86400,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":16436,"name":"BR Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":5,"icon":"https://user-uploads.online-go.com/684691fc56f7b159a5119a8e17398dab-64.png"},"auto_start_on_max":true,"time_start":"2026-06-15T12:00:00Z","players_start":20,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2026-06-15T12:00:19.716743Z","ended":null,"start_waiting":"2026-06-15T12:00:19.288978Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/684691fc56f7b159a5119a8e17398dab-15.png","player_count":32,"ranked":true},{"id":131643,"name":"Peace & Love IV","director":{"id":694470,"username":"Tristorn","country":"ru","icon":"https://user-uploads.online-go.com/212505565a406634f90eb749b7e71e52-64.png","ratings":{"version":5,"overall":{"rating":1300.8016790416023,"deviation":64.39844728650742,"volatility":0.05998861905603472}},"ranking":21.004869305522845,"professional":false,"ui_class":""},"description":"Let's play!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":18684,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":18000,"initial_time":86400,"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":18023,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":true,"time_start":"2026-04-01T10:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2026-04-01T10:00:13.776971Z","ended":null,"start_waiting":"2026-04-01T10:00:13.044312Z","board_size":19,"active_round":2,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":32,"ranked":true},{"id":141044,"name":"FNRRT: Let's improve ourself! McMahon for 25k-6k [FAST] # III","director":{"id":1872546,"username":"Sch-Mentor","country":"001","icon":"https://user-uploads.online-go.com/41804ae38abc71e0bea5040b313b01ec-64.png","ratings":{"version":5,"overall":{"rating":1500,"deviation":250,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"Hi everyone! This tournament would be useful for your improvement due to McMahon system because your games will be more evenly matched.\n\nThe number of rounds and the top bar could be modified in first round according to the total number of players and the population above the bar.\n\nFast tournament: pay attention, a 12-hour increment is roughly two moves per day to keep the flow.\n\nThings to keep in mind:\n* Use the conditional move feature to speed up the game.\n* Disqualification will occur automatically by the site if a player loses by timeout.\n* If you notice that a player behaves badly, please send a message to the TD.\n* And last but not least: no weekends, no pauses, no vacation—just make your move; it’s a tournament, my friend!","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","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":15509,"name":"Fast and narrow rank range tournaments","summary":"Tournaments for people who like to play within narrow rank ranges and fast correspondence games.","require_invitation":true,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":83,"icon":"https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-64.png"},"auto_start_on_max":false,"time_start":"2026-06-22T23:33:00Z","players_start":16,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":24,"analysis_enabled":true,"exclusivity":"open","started":"2026-06-17T14:53:48.259037Z","ended":null,"start_waiting":"2026-06-17T14:53:47.756574Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/fb0e7d5660cf5ea61609ed14abdc9bfa-15.png","player_count":32,"ranked":true},{"id":135235,"name":"ROAD to DAN","director":{"id":1864146,"username":"컬리타임","country":"us","icon":"https://secure.gravatar.com/avatar/911e6202829231fef8fc97edf966f6bd?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1762.6800265801319,"deviation":68.64028816817155,"volatility":0.059964999540097055}},"ranking":28.039104282681834,"professional":false,"ui_class":""},"description":"This tournament is for players who want to play FAST CORRESPONDENCE.\n\nDouble Elimination for 25k~1k\n\nStart Time: 1 day 12 hours\n\nIncrements Time (Ficher): 6 hours\n\nMax. Time: 3 days\n\nBE CAREFUL about the time settings.\n\nNo pause and No vacation, anyone who turns on the vacation mode or pauses a game, will be disqualified. (If you notice a player violating the above rules, please notify the tournament administrator.)\n\nPlease send Tournament Director the tournament director a message or MAESTRO of BADUK if you find that your opponent pauses or turns vacation mode on.\n\n-----\nRestricted Rank: 1k\n\nPlayers who reached 1 dan within 30 days before the tournament announcement date but have since dropped back to 1k are not eligible to participate. (Reference date: 30 days prior to November 11)\n\n-----\nIf there are 16 or fewer players in the Q- round, the top two players will advance to the finals. If there are 16 to 32 players, the top 4 players will advance to the finals round.\n\nFeel free to give tips to your opponent after the game. It could be how we can improve Baduk/Go.\n\nDo not use AI\n\n-----","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"korean","time_per_move":22626,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":21600,"initial_time":129600,"max_time":259200},"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":78,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png"},"auto_start_on_max":false,"time_start":"2025-12-20T03:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-18T16:08:42.012426Z","ended":"2026-06-18T16:46:53.964304Z","start_waiting":"2025-12-18T16:08:41.520977Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png","player_count":32,"ranked":true},{"id":133471,"name":"Think Different, Find a Game Changer__Qualify Round","director":{"id":1776211,"username":"MAESTRO of BADUK","country":"kr","icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png","ratings":{"version":5,"overall":{"rating":1780.1125530663214,"deviation":67.44339287166498,"volatility":0.06003264861713345}},"ranking":28.26692808898232,"professional":false,"ui_class":""},"description":"This is for players who want to play fast correspondence match \n\nTournament for DDK 25k ~ 11k\n\nStart time: 2 days\n\nFischer:: 7 hours\n\nMax. Time: 3 days\n\n*****\nQualify Round Participant:\n\nIf there are 16 or fewer players, the top two players will advance to the finals.\nAlso, If there are 16 to 32 players, the top 4 players will advance to the finals round.\n\n*****\nThe winner and runner-up of the final round will receive an invitation to the tournament held in this group up to 1kyu with no qualification restrictions.\n\n(You must be a member of this group to receive an invitation. In accordance with the OGS system, we cannot send you an invitation if you are not a member of the group.)\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":"double_elimination","handicap":0,"rules":"japanese","time_per_move":26568,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":25200,"initial_time":172800,"max_time":259200},"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":78,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-64.png"},"auto_start_on_max":true,"time_start":"2025-10-23T15:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":19,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-22T19:19:48.913694Z","ended":null,"start_waiting":"2025-10-22T19:19:48.403891Z","board_size":19,"active_round":8,"icon":"https://user-uploads.online-go.com/2de231e0b190d65fe2d68b51bd7b4b2a-15.png","player_count":32,"ranked":true},{"id":140573,"name":"Alan Turing 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":2012.1989122636944,"deviation":66.87157068355577,"volatility":0.06015938835110416}},"ranking":31.103995683001028,"professional":false,"ui_class":"supporter"},"description":"Alan Turing Nines Title Tournament 2025\n\nTitle Holder:\nmark5000 [Nines Alan Turing] 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\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
2010AlorilAloril (3d)vitality (5d)KlausP (3d)
2011Valkyria95-0AlorilValkyria9 (4d)zealot (3d)devariot (1k)
2012Valkyria91-0pollemandValkyria9 (4d)pollemand (3d)Aloril (3d)
2015Valkyria93-2mark5000Valkyria9 (4d)mark5000 (2d)Sadaharu (5d)
2016Valkyria94-1mark5000Valkyria9 (4d)mark5000 (2d)Sofiam (4k)
2017mark50003-2Valkyria9Valkyria9 (7d)mark5000 (6d)# (5d)
2018Deep Scholar5-0mark5000Deep Scholar (9d)Sadaharu (9d)Valkyria9 (7d)
2019Sadaharu4-1Deep ScholarSadaharu (9d)earlgreyhot (9d)martin3141 (4d)
2020mark50003-2Sadaharumark5000 [6d]nutpenAI [6d]spicydragon [5d]
2021Deep Scholar [7d]KataGo-Strong [9d+]Tenebris [2d]
2022fuseki3 [5d]Buniu [2d]adhalanay [2d]
2023Sadaharu [5d]mark5000 [5d]找借口安静 [4d]
\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- Old OGS ranks are displayed for tournaments before 2017. \n- Bots and use of AI are allowed in Alan Turing tournaments.","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"chinese","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":false,"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":2987,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2026-07-01T06:00:00Z","players_start":30,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":null,"ended":null,"start_waiting":null,"board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":32,"ranked":true},{"id":17337,"name":"Just for fun #1 - May 2016","director":{"id":304968,"username":"Treble Clef","country":"vn","icon":"https://user-uploads.online-go.com/1d9ec8692530e30a9b68aa8a0918f57c-64.png","ratings":{"version":5,"overall":{"rating":2404.5762462647212,"deviation":67.42580316388067,"volatility":0.06008513443567981}},"ranking":35.228065877337876,"professional":false,"ui_class":""},"description":"Everybody don't forget be on this page when the tournament begins or you will be removed from the tournament!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":2160,"time_control_parameters":{"time_control":"byoyomi","period_time":1200,"main_time":86400,"periods":5},"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":18023,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-64.png"},"auto_start_on_max":false,"time_start":"2016-05-31T15:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-05-31T15:00:10.009827Z","ended":"2016-06-13T15:51:02.917330Z","start_waiting":"2016-05-31T15:00:09.544368Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/88a1228e25c41184ceaf4c4683299256-15.png","player_count":33,"ranked":true},{"id":4181,"name":"CGA Open Jun 9x9","director":{"id":33792,"username":"deleted-e8f64a4c-6d99-4c22-ae3c-aacdf16941a9","country":"zz","icon":"https://user-uploads.online-go.com/b40446e0ef59e0abf04f8ed9be5ca84b-64.png","ratings":{"version":5,"overall":{"rating":1622.3831471314238,"deviation":67.06012209323173,"volatility":0.06060078427531681}},"ranking":26.119060726576542,"professional":false,"ui_class":""},"description":"Come play like a Canadian!\n\nDoes anybody read these?","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":39,"name":"Canadian Go Players","summary":"Canadian Go Association","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":563,"icon":"https://user-uploads.online-go.com/373619b6c62ec2b70befaca77c9af1fa-64.png"},"auto_start_on_max":false,"time_start":"2015-06-01T16:10:00Z","players_start":10,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2015-06-01T16:10:52.043348Z","ended":"2017-04-12T04:58:33.957423Z","start_waiting":"2015-06-01T16:10:51.266052Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/373619b6c62ec2b70befaca77c9af1fa-15.png","player_count":33,"ranked":true},{"id":16635,"name":"FSTS Fun Open 2016 Extinction","director":{"id":87790,"username":"WiseBear","country":"ru","icon":"https://user-uploads.online-go.com/87e96797186d0c4042434c29195d8f12-64.png","ratings":{"version":5,"overall":{"rating":1104.0021061102002,"deviation":62.08308547890164,"volatility":0.06028822213904829}},"ranking":17.207368885691388,"professional":false,"ui_class":""},"description":"Do you have enough strength to hold more than two rounds? Are you strong enough to be able to play with a handicap? Do you want to have some fun? Join a tournament and find out the answers to these questions!","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":-1,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"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":"2016-05-30T11:30:00Z","players_start":20,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2016-05-30T11:30:46.583049Z","ended":"2018-08-18T05:22:58.401058Z","start_waiting":"2016-05-30T11:30:46.053724Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/da3625d8ecb510c14d65689ea409862b-15.png","player_count":33,"ranked":true},{"id":31309,"name":"January","director":{"id":94239,"username":"Tranquil","country":"ru","icon":"https://user-uploads.online-go.com/f47b0eccaf470cc69e0ffb7e08510237-64.png","ratings":{"version":5,"overall":{"rating":1285.245293631675,"deviation":61.401316669585405,"volatility":0.05971292288944067}},"ranking":20.726347940619934,"professional":false,"ui_class":""},"description":"For members of the group","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":89280,"time_control_parameters":{"system":"fischer","time_control":"fischer","initial_time":259200,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":true,"group":{"id":904,"name":"Sochi","summary":"","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":18,"icon":"https://user-uploads.online-go.com/c92c1c242ab9cb3d4a090255ebad1f0e-64.png"},"auto_start_on_max":true,"time_start":"2018-01-15T09:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-01-15T09:00:19.526864Z","ended":"2019-03-31T14:58:38.668170Z","start_waiting":"2018-01-15T09:00:14.400361Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/c92c1c242ab9cb3d4a090255ebad1f0e-15.png","player_count":33,"ranked":true}]}