{"count":59382,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=5808","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=subsequent_pairing_method&page=5806","results":[{"id":31472,"name":"Oza Treizes Title Tournament 2018","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":"Oza Treizes Title Tournament 2018\n\nTitle Holder:\n<a style=\"color:cyan\" href='https://online-go.com/user/view/43936/'>Sadaharu [Treizes Oza]</a>\n\n\nHall of Fame:\n<table style=\"text-align:center;border:1px solid\">\n<tr>\n\t<th style=\"border:1px solid\">Year</th>\n\t<th style=\"border:1px solid\">Title Match Winner</th>\n\t<th style=\"border:1px solid\">Score</th>\n\t<th style=\"border:1px solid\">Title Match Runner-up</th>\n\t<th style=\"border:1px solid\">Title Tournament Winner<img src='http://i.imgur.com/kVzSrke.png' alt='Gold'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament Runner-up<img src='http://i.imgur.com/ta7bMkV.png' alt='Silver'></img></th>\n\t<th style=\"border:1px solid\">Title Tournament 3rd Place<img src='http://i.imgur.com/HtQoWtV.png' alt='Bronze'></img></th>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/9743'>2016</a></td>\n\t<td><b>Sadaharu</b></td>\n\t<td></td>\n\t<td></td>\n\t<td><b>Sadaharu (5d)</b></td>\n\t<td>hiryuu (4k)</td>\n\t<td>mark5000 (5d)</td>\n</tr>\n<tr>\n\t<td><a href='https://online-go.com/tournament/20807'>2017</a></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td></td>\n\t<td>Ongoing: Round 3</td>\n\t<td></td>\n</tr>\n</table>","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":93120,"time_control_parameters":{"system":"fischer","pause_on_weekends":false,"time_control":"fischer","initial_time":604800,"max_time":604800,"time_increment":86400,"speed":"correspondence"},"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":2971,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-64.png"},"auto_start_on_max":false,"time_start":"2018-01-22T05:40:00Z","players_start":100,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2018-01-22T05:41:01.587383Z","ended":"2019-04-22T17:30:11.411557Z","start_waiting":"2018-01-22T05:40:23.390907Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/e172c7a14ec09bda65360d6b80884e67-15.png","player_count":114,"ranked":true},{"id":47314,"name":"Пасхалочки!","director":{"id":667,"username":"IcedEarth","country":"tr","icon":"https://user-uploads.online-go.com/2886aa2c1b5facf75023893762dff62e-64.png","ratings":{"version":5,"overall":{"rating":1517.303652027914,"deviation":65.00628087334701,"volatility":0.05970665513983381}},"ranking":24.56890662525711,"professional":false,"ui_class":""},"description":"Положение:\nhttps://docs.google.com/document/d/1ytisQIy9yfzA0QeGSdHQxCpchU69AAVlBIeF8z-ZiPw","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":88320,"time_control_parameters":{"system":"fischer","pause_on_weekends":true,"time_control":"fischer","initial_time":172800,"max_time":172800,"time_increment":86400,"speed":"correspondence"},"is_open":true,"exclude_provisional":false,"group":{"id":2787,"name":"Kazan Go Association","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":46,"icon":"https://user-uploads.online-go.com/20d63b4d48f99b38deb9bee54831764d-64.png"},"auto_start_on_max":false,"time_start":"2019-04-22T09:00:00Z","players_start":4,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"group","started":"2019-04-22T09:00:26.902002Z","ended":"2019-12-27T18:40:44.775335Z","start_waiting":"2019-04-22T09:00:24.723162Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/20d63b4d48f99b38deb9bee54831764d-15.png","player_count":36,"ranked":true},{"id":68985,"name":"🎇19x19 1d - 9d+ players Friendly Match🎇","director":{"id":770016,"username":"Patience_Tester","country":"gb","icon":"https://user-uploads.online-go.com/a285eebd12660e20df271f390b0dcdf9-64.png","ratings":{"version":5,"overall":{"rating":1699.5550767262548,"deviation":65.6681831401549,"volatility":0.06001585110944013}},"ranking":27.19484934042681,"professional":false,"ui_class":""},"description":"1. Competition for 1d - 9d+\n2. 19x19\n3. 5 - 20 players\n4. Double elimination\n5. Stop counting time at weekends\n6. Start on 1st January 2021\n7. 10 days per a move\n8. 🎉HAPPY NEW YEAR!!!!!!!🎉","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":864000,"time_control_parameters":{"system":"simple","time_control":"simple","speed":"correspondence","pause_on_weekends":true,"per_move":864000},"is_open":true,"exclude_provisional":true,"group":{"id":6273,"name":"19x19 Players","summary":"19x19 enthusiasts","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":364,"icon":"https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-64.png"},"auto_start_on_max":false,"time_start":"2021-01-01T11:00:00Z","players_start":5,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":30,"max_ranking":38,"analysis_enabled":false,"exclusivity":"open","started":"2021-01-01T11:00:33.730003Z","ended":"2023-10-24T13:34:16.303669Z","start_waiting":"2021-01-01T11:00:33.345247Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/fd93c5b84e277ce846851c8b71ec9778-15.png","player_count":9,"ranked":true},{"id":138848,"name":"Live 19x19 Swiss Tournament 2026-04-01 16:30","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 Site-wide Tournament","schedule":{"id":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260418T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-04-18T00:00:56.380386Z","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":"2026-04-18T04:00:00Z","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":"2026-04-01T16:30:13.432083Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2026-04-01T16:30:14.235998Z","ended":"2026-04-01T18:56:44.938752Z","start_waiting":"2026-04-01T16:30:13.517953Z","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":2612,"name":"SDK4","director":{"id":104,"username":"Oolong4Go","country":"_Klingon","icon":"https://secure.gravatar.com/avatar/8e91ccf2e8ceef7a17d825edc71c1924?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1487.0974735216928,"deviation":79.93436684201419,"volatility":0.06000532839122804}},"ranking":24.103391824779585,"professional":false,"ui_class":""},"description":"Even games ","schedule":null,"title":null,"tournament_type":"roundrobin","handicap":0,"rules":"aga","time_per_move":86400,"time_control_parameters":{"time_control":"fischer","initial_time":259200,"max_time":259200,"time_increment":86400},"is_open":true,"exclude_provisional":false,"group":{"id":20,"name":"Single Digit Kyu Room","summary":"A room for SDK's \r\n","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":760,"icon":"https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-64.png"},"auto_start_on_max":false,"time_start":null,"players_start":null,"first_pairing_method":"strength","subsequent_pairing_method":"strength","min_ranking":20,"max_ranking":30,"analysis_enabled":true,"exclusivity":"open","started":"2013-12-04T19:14:01.851421Z","ended":"2014-03-11T13:23:15.391154Z","start_waiting":"2013-12-04T19:14:00.107416Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/86d86effdffc2d0bbcd98e0f3b379249-15.png","player_count":0,"ranked":true},{"id":2233,"name":"tasos tavern","director":{"id":22412,"username":"ntinos","country":"cy","icon":"https://secure.gravatar.com/avatar/9fbad541834877726103348176d60065?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1177.9920904697565,"deviation":65.39637965103157,"volatility":0.0600084399199915}},"ranking":18.7090981642667,"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":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":383,"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":"2013-08-15T07:27:52Z","ended":"2013-08-15T05:27:52Z","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":2234,"name":"13x13 mini-tournament","director":{"id":49153,"username":"Jericson","country":"us","icon":"https://secure.gravatar.com/avatar/9a70f9fa93ba071d47cb209e500b1224?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1597.1876183666777,"deviation":65.05009349500918,"volatility":0.060010277262877186}},"ranking":25.75672149512164,"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":604800,"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":383,"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":11,"analysis_enabled":false,"exclusivity":"open","started":"2013-09-08T17:15:59Z","ended":"2013-09-08T15:15:59Z","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":2235,"name":"kartal382's mini-tournament","director":{"id":38479,"username":"kartal382","country":"","icon":"https://secure.gravatar.com/avatar/5e3a69e240ff634b169d441501471c5b?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1446.658659756603,"deviation":66.51655971345899,"volatility":0.060002263994080755}},"ranking":23.465153476209,"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":"simple","per_move":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":383,"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":4,"max_ranking":29,"analysis_enabled":false,"exclusivity":"open","started":"2013-07-22T21:45:16Z","ended":"2013-07-22T19:45:16Z","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":54443,"name":"Blitz 13x13 Swiss Tournament 2019-12-03 19:30","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":3,"name":"Blitz 13x13 Swiss Tournament","rrule":"DTSTART:20260417T230000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:27:45.234995Z","last_run":"2026-04-17T23:00:56.369840Z","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":"2026-04-18T03:00:00Z","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":"2019-12-03T19:30:40.136136Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2019-12-03T19:32:37.201082Z","ended":"2019-12-03T20:21:43.151432Z","start_waiting":"2019-12-03T19:32:36.721660Z","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},{"id":101530,"name":"Live 19x19 Swiss Tournament 2023-03-25 20:30","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":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260418T000000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-04-18T00:00:56.380386Z","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":"2026-04-18T04:00:00Z","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":"2023-03-25T20:30:39.528514Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2023-03-25T20:30:40.893895Z","ended":"2023-03-25T22:40:55.011621Z","start_waiting":"2023-03-25T20:30:40.724386Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_19.png","player_count":8,"ranked":true}]}