{"count":59629,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=player_count&page=5253","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=player_count&page=5251","results":[{"id":133589,"name":"Correspondence 19x19 RoundRobin 2025-10-21 19:00","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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260512T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-05-12T19:00:49.757522Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"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":"2026-05-15T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2025-10-21T19:00:41.897731Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-21T19:00:42.591929Z","ended":"2026-02-20T14:04:23.130353Z","start_waiting":"2025-10-21T19:00:41.940509Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":137075,"name":"Live 9x9 Double Elimination Tournament 2026-02-05 14:31","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":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260513T100000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-05-13T10:00:49.743258Z","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":"2026-05-13T14:00:00Z","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":"2026-02-05T14:31:06.529417Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2026-02-05T14:31:46.075506Z","ended":"2026-02-05T15:56:39.155438Z","start_waiting":"2026-02-05T14:31:45.899852Z","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":139074,"name":"World Star Monthly Match (April 2026)","director":{"id":481094,"username":"Danny Ling","country":"my","icon":"https://secure.gravatar.com/avatar/791e2af274d259b097e01771c6f5f061?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1928.0100885907634,"deviation":62.51668759054022,"volatility":0.05996926918457887}},"ranking":30.114572057230404,"professional":false,"ui_class":""},"description":"Hello everyone, Let’s have a friendly match within the members in this group!!! Everyone is welcome to join. Hope everyone will enjoy the joy of the game! Good luck.","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":12,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"rapid","pause_on_weekends":false,"time_increment":7,"initial_time":300,"max_time":3600},"is_open":true,"exclude_provisional":true,"group":{"id":14930,"name":"World Star Go Academy Group","summary":"“In Go, you are constantly making decisions that are either right or wrong.” — Yasunari Kawabata","require_invitation":false,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":56,"icon":"https://user-uploads.online-go.com/d6848296c576899e38435f076f46e3b2-64.png"},"auto_start_on_max":false,"time_start":"2026-04-25T11:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"group","started":"2026-04-25T11:00:17.507632Z","ended":"2026-04-25T12:15:39.714825Z","start_waiting":"2026-04-25T11:00:17.249394Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/d6848296c576899e38435f076f46e3b2-15.png","player_count":10,"ranked":true},{"id":133612,"name":"21.10 практика для факультатива","director":{"id":512029,"username":"Павел Науменко","country":"001","icon":"https://user-uploads.online-go.com/159834f78ac02642afdb38194bd2c630-64.png","ratings":{"version":5,"overall":{"rating":1564.9266779977038,"deviation":64.83939551787425,"volatility":0.05998976340926766}},"ranking":25.284337126029094,"professional":false,"ui_class":""},"description":"Участники только слушатели факультатива на занятии 21.10","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":20,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":10,"initial_time":600,"max_time":600},"is_open":true,"exclude_provisional":false,"group":{"id":2208,"name":"Го-клуб ИТМО","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":46,"icon":"https://user-uploads.online-go.com/97d7765a77b2cd2b949864b6dee400ec-64.png"},"auto_start_on_max":false,"time_start":"2025-10-21T18:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2025-10-21T14:38:25.435988Z","ended":"2025-10-21T15:43:14.199552Z","start_waiting":"2025-10-21T14:38:25.124718Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/97d7765a77b2cd2b949864b6dee400ec-15.png","player_count":10,"ranked":true},{"id":135115,"name":"Correspondence 19x19 RoundRobin 2025-12-08 19:00","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":6,"name":"Correspondence 19x19 RoundRobin","rrule":"DTSTART:20260512T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:58:31.027016Z","last_run":"2026-05-12T19:00:49.757522Z","lead_time_seconds":86400,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","size":19,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"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":"2026-05-15T19:00:00Z","base_points":"10.0"},"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"japanese","time_per_move":88451,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"pause_on_weekends":true,"max_time":432000,"time_increment":86400},"is_open":true,"exclude_provisional":true,"group":null,"auto_start_on_max":false,"time_start":"2025-12-08T19:00:38.038413Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-08T19:01:38.859501Z","ended":null,"start_waiting":"2025-12-08T19:01:37.976676Z","board_size":19,"active_round":1,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":10,"ranked":true},{"id":133645,"name":"19x19 Open League #105","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1257.5002115132957,"deviation":70.5314527460033,"volatility":0.060215261717849605}},"ranking":20.22112699556229,"professional":false,"ui_class":""},"description":"Open league for everyone. Tournament will be started as soon as 10 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"roundrobin","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":false,"group":{"id":12599,"name":"GO Special Tournaments","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":72,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-10-26T22:05:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-26T16:47:34.101396Z","ended":"2026-03-23T05:44:57.716551Z","start_waiting":"2025-10-26T16:47:33.432117Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":135130,"name":"⚫第2届“君和”杯循环赛⚪","director":{"id":1800688,"username":"奋斗星小目","country":"cn","icon":"https://user-uploads.online-go.com/82d2effdffa65d18b40b760db822eb83-64.png","ratings":{"version":5,"overall":{"rating":1457.4088715288815,"deviation":71.1504233242762,"volatility":0.06005591578955178}},"ranking":23.6365465561652,"professional":false,"ui_class":""},"description":"The second \"Junhe\" Cup round-robin tournament","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"chinese","time_per_move":88451,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":259200,"max_time":259200},"is_open":true,"exclude_provisional":false,"group":{"id":15532,"name":"君和围棋俱乐部(Junhe weiqi club)","summary":"欢迎大家来到这个快乐的围棋家园，预祝大家的围棋不断进步！我会不定期建立比赛，希望大家积极参与，友谊第一，快乐第一，成长第一，让我们一起在OGS上开心地下围棋吧！\n\nWelcome to this joyful community of weiqi, and may your skills in weiqi continue to improve! I will organize competitions from time to time, and I hope everyone will actively","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":false,"member_count":22,"icon":"https://user-uploads.online-go.com/8728411c45ad288e3eee88847d2b1d0e-64.png"},"auto_start_on_max":true,"time_start":"2026-01-01T03:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2025-12-29T02:49:14.988531Z","ended":null,"start_waiting":"2025-12-29T02:49:14.339133Z","board_size":19,"active_round":1,"icon":"https://user-uploads.online-go.com/8728411c45ad288e3eee88847d2b1d0e-15.png","player_count":10,"ranked":true},{"id":119302,"name":"Kuksu Main Title Tournament 15th Cycle - League D4","director":{"id":199065,"username":"Kuksu League","country":"_United_Federation_of_Planets","icon":"https://secure.gravatar.com/avatar/068ce77b41c5451811b692b8280d0f68?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1500.0,"deviation":350.0,"volatility":0.06}},"ranking":24.303382182144386,"professional":false,"ui_class":"provisional"},"description":"\n\nTitle Holder:\nSadaharu [Kuksu] x2\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\t\n\t\n\n\n\t\n\t\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\t\n\t\n\n\n\t\n\t\n\t\n\t\n\t\n\n\n
CycleTitle Match
Winner		ScoreTitle Match
Runner-up		Title Tournament
WinnerGold		Title Tournament
Runner-upSilver		Title Tournament
3rd PlaceBronze
1lukeluke (4d)davos (5d)gomad361 (4d)
2gomad3613-2lukeluke (4d)gomad361 (4d)hotspur (4d)
3Uberdude∗gomad361Uberdude (9d)KyuT (4d)marigo (2k)
4Uberdude5-0KyuTKyuT (4d)quiller (5d)morituri (2d)
5Uberdude5-0gomad361gomad361 (4d)morituri (2d)betterlife (1d)
6Uberdude5-0ElinElin (5d)gomad361 (4d)morituri (2d)
7Uberdude3-2vitalityvitality (9d)Elin (5d)gomad361 (4d)
8vitality∗Uberdudevitality (9d)nrx (5d)gojohn (4d)
9vitality5-0SadaharuSadaharu (7d)xhu98 (8d)tegais (6d)
10vitality5-0micky0427micky0427 (7d)SanDiego (4d)tegais (6d)
11SanDiego5-0 (∗)Sadaharupeecatchoo (9d+)Sadaharu (9d)Isoko (6d)
12Sadaharu5-0tegaisSadaharu (9d)peecatchoo (9d)earlgreyhot (9d)
13Sadaharu5-0 (∗)drmwcdrmwc [6d]KUNIJEEL [6d]bookkey1234567 [7d]
14claire yang [8d]Bhsd [6d]Neandertaler [3d]
\n\t\t[A]\n\t
\n\t\t[B1]\n\t\t[B2]\n\t
15\n\t\t[C1]\n\t\t[C2]\n\t\t[C3]\n\t\t[C4]\n\t
\n\t\t[D1]\n\t\t[D2]\n\t\t[D3]\n\t\t[D4]\n\t\t[D5]\n\t\t[D6]\n\t\n\t\t[D7]\n\t\t[D8]\n\t
\n\t\t[E1]\n\t\t[E2]\n\t\t[E3]\n\t\t[E4]\n\t\t[E5]\n\t\t[E6]\n\t\n\t\t[E7]\n\t\t[E8]\n\t\t[E9]\n\t\t[E10]\n\t\t[E11]\n\t\n\t\t[E12]\n\t\t[E13]\n\t\t[E14]\n\t\t[E15]\n\t\t[E16]\n\t
\n\n∗ means the games were finished by timeout or retirement.\n\nNotes:\n- Please refer to the basic rules here.\n- Bots and use of AI are prohibited in this tournament and violators will be disqualified.","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"korean","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":2978,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2024-10-05T07:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"invite","started":"2024-10-05T21:09:38.314348Z","ended":"2026-03-17T13:13:54.906793Z","start_waiting":"2024-10-05T21:09:37.690355Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":10,"ranked":true},{"id":135119,"name":"9x9 Open League #137","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1257.5002115132957,"deviation":70.5314527460033,"volatility":0.060215261717849605}},"ranking":20.22112699556229,"professional":false,"ui_class":""},"description":"Open league for everyone. Tournament will be started as soon as 10 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":false,"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":697,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-64.png"},"auto_start_on_max":true,"time_start":"2025-12-14T20:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-12-11T21:44:22.313296Z","ended":"2026-02-02T21:45:50.974789Z","start_waiting":"2025-12-11T21:44:21.543371Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/524010f9e013f409bdc23336febde936-15.png","player_count":10,"ranked":true},{"id":133649,"name":"Correspondence 9x9 RoundRobin 2025-10-23 19:00","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":5,"name":"Correspondence 9x9 RoundRobin","rrule":"DTSTART:20260511T190000Z\nRRULE:FREQ=DAILY;INTERVAL=3","active":true,"created":"2015-02-20T05:56:18.340749Z","last_run":"2026-05-11T19:00:49.671914Z","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":"2026-05-14T19:00:00Z","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":"2025-10-23T19:00:14.419914Z","players_start":4,"first_pairing_method":"slaughter","subsequent_pairing_method":"slaughter","min_ranking":0,"max_ranking":36,"analysis_enabled":true,"exclusivity":"open","started":"2025-10-23T19:00:59.167710Z","ended":"2025-10-29T23:59:18.438463Z","start_waiting":"2025-10-23T19:00:58.445447Z","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}]}