{"count":59728,"next":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-started&page=363","previous":"https://online-go.com/api/v1/tournaments/?format=json&ordering=-started&page=361","results":[{"id":129493,"name":"19x19 Open League #91","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1266.3339545161286,"deviation":69.11401413075777,"volatility":0.0602108012162927}},"ranking":20.383183590549244,"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":73,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-06-22T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-23T04:28:38.753984Z","ended":"2025-11-08T08:04:56.111094Z","start_waiting":"2025-06-23T04:28:38.203280Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true},{"id":129035,"name":"telmich's experimental tournament - random round 3","director":{"id":1524436,"username":"telmich","country":"ch","icon":"https://secure.gravatar.com/avatar/ebdfc657470c327d3dbda9a2e3de7522?s=64&d=retro","ratings":{"version":5,"overall":{"rating":1104.9705505842971,"deviation":61.666973179730036,"volatility":0.05928521526748497}},"ranking":17.22766745384595,"professional":false,"ui_class":"supporter"},"description":"Still experimenting with the tournament settings to make the tournament most fun.\n\nThis is a simultaneous McMahon, meaning games start in parallel. It also uses random pairing in all steps so that you get to play not in slaughter mode (against the strongest/weakest), but someone you would not normally play with.\n\nThe previous tournament (https://online-go.com/tournament/128245) uses double elimination, which seems to be waiting for everyone to finish - not in this one!\n\nMore to read for those who are interested:\n\nhttps://en.wikipedia.org/wiki/McMahon_system_tournament\n\nhttps://senseis.xmp.net/?McMahonPairing","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":91187,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"correspondence","pause_on_weekends":true,"main_time":604800,"period_time":86400,"periods":5},"is_open":true,"exclude_provisional":true,"group":{"id":15384,"name":"Wait, don't go!","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":3,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":true,"time_start":"2025-06-23T02:00:00Z","players_start":4,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":29,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-23T02:00:28.546292Z","ended":"2026-03-22T23:48:53.790236Z","start_waiting":"2025-06-23T02:00:27.527208Z","board_size":19,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":18,"ranked":true},{"id":129735,"name":"Live 9x9 Double Elimination Tournament 2025-06-22 18:30","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 Site-wide Tournament","schedule":{"id":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260522T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-05-22T18:00:16.176569Z","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":"2026-05-22T22:00:00Z","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":"2025-06-22T18:30:27.498091Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-06-22T18:31:27.564254Z","ended":"2025-06-22T18:55:23.274658Z","start_waiting":"2025-06-22T18:31:27.497876Z","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},{"id":129458,"name":"13x13 Open D.E. Cup #72","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1266.3339545161286,"deviation":69.11401413075777,"volatility":0.0602108012162927}},"ranking":20.383183590549244,"professional":false,"ui_class":""},"description":"Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":90782,"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":73,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-06-22T20:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-22T17:52:19.389149Z","ended":"2026-01-24T00:53:19.604681Z","start_waiting":"2025-06-22T17:52:19.278045Z","board_size":13,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":129475,"name":"Kranj 107","director":{"id":134125,"username":"mitava","country":"at","icon":"https://user-uploads.online-go.com/dd82ab9bd8acf39be51899ddbe1804ee-64.png","ratings":{"version":5,"overall":{"rating":781.6916230243883,"deviation":65.15832791465333,"volatility":0.059924217208339736}},"ranking":9.215136601517967,"professional":false,"ui_class":""},"description":"19x19","schedule":null,"title":null,"tournament_type":"s_mcmahon","handicap":0,"rules":"japanese","time_per_move":38051,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":true,"time_increment":36000,"initial_time":259200,"max_time":604800},"is_open":true,"exclude_provisional":false,"group":{"id":374,"name":"Slovenija","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":55,"icon":"https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-64.png"},"auto_start_on_max":true,"time_start":"2025-06-22T15:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":12,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-22T15:00:27.975815Z","ended":"2026-01-25T18:45:49.949057Z","start_waiting":"2025-06-22T15:00:27.485538Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/4ed128f6478ae7603dbe02435c4af5de-15.png","player_count":9,"ranked":true},{"id":129730,"name":"Live 9x9 Double Elimination Tournament 2025-06-22 14:30","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 Site-wide Tournament","schedule":{"id":2,"name":"Live 9x9 Double Elimination Tournament","rrule":"DTSTART:20260522T180000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:22:51.496184Z","last_run":"2026-05-22T18:00:16.176569Z","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":"2026-05-22T22:00:00Z","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":"2025-06-22T14:30:27.645726Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slide","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-06-22T14:31:27.579536Z","ended":"2025-06-22T15:02:48.614406Z","start_waiting":"2025-06-22T14:31:27.484537Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/trophies/gold_title_9.png","player_count":8,"ranked":true},{"id":129523,"name":"19x19 Open D.E. Cup #121","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1266.3339545161286,"deviation":69.11401413075777,"volatility":0.0602108012162927}},"ranking":20.383183590549244,"professional":false,"ui_class":""},"description":"Double-Elimination tournament for everyone. It will be started as soon as 8 players will join it.\n\nPrevious winners: https://online-go.com/group/12599","schedule":null,"title":null,"tournament_type":"double_elimination","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":73,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2025-06-22T21:00:00Z","players_start":8,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-22T14:13:26.365905Z","ended":"2026-03-25T11:34:14.084732Z","start_waiting":"2025-06-22T14:13:26.255992Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":8,"ranked":true},{"id":129555,"name":"Cờ vây Cội Rễ","director":{"id":1175287,"username":"chidang2608","country":"un","icon":"https://secure.gravatar.com/avatar/0ef695d0520bc537030d9a2f97814c12?s=64&d=retro","ratings":{"version":5,"overall":{"rating":951.5115782202788,"deviation":132.63901451687053,"volatility":0.0600144169468647}},"ranking":13.766230665393369,"professional":false,"ui_class":""},"description":"🏁 Giải đấu Cờ vây Cội Rễ – 9x9\n\n🔸 Thời gian bắt đầu: 18h00 ngày 22/06/2025\n🔸 Hình thức thi đấu: Trực tiếp, chia theo hệ McMahon\n🔸 Bàn cờ: 9x9 – phù hợp với người mới chơi hoặc thi đấu tốc độ\n🔸 Luật thi đấu: Luật Nhật Bản\n🔸 Số vòng: 6 vòng đấu\n🔸 Cách xếp cặp:\n\nVòng đầu: Ngẫu nhiên\n\nCác vòng sau: Ngẫu nhiên (hệ thống sẽ tránh gặp lại đối thủ cũ nếu có thể)\n\n🔸 Thời gian thi đấu mỗi trận:\n\nHệ Fischer: 3 phút ban đầu + 25 giây cộng thêm mỗi nước đi\n\nTổng thời gian tối đa: 30 phút/trận\n\n🔸 Trình độ tham gia: Từ 25 Kyu đến 9 Dan\n🔸 Giải mở cho mọi người, có chấp nhận người chơi chưa ổn định cấp bậc\n🔸 Cho phép phân tích và lập kế hoạch sau trận để học hỏi, phát triển","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":31,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":25,"initial_time":180,"max_time":1800},"is_open":true,"exclude_provisional":false,"group":{"id":15415,"name":"Cờ vây Cội Rễ","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":true,"hide_details":true,"member_count":7,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg"},"auto_start_on_max":false,"time_start":"2025-06-22T14:00:00Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"random","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-22T14:00:27.633220Z","ended":"2025-06-22T14:16:04.928967Z","start_waiting":"2025-06-22T14:00:27.481673Z","board_size":9,"active_round":null,"icon":"https://cdn.online-go.com/5.1/img/default-group-v5.svg","player_count":10,"ranked":true},{"id":128242,"name":"Привет","director":{"id":1698573,"username":"Mitya.alya","country":"un","icon":"https://secure.gravatar.com/avatar/d7a12cfaf2f76984919dfe5ec85441ad?s=64&d=retro","ratings":{"version":5,"overall":{"rating":525.6217484754882,"deviation":62.744034036771026,"volatility":0.06006046033138614}},"ranking":5,"professional":false,"ui_class":""},"description":"Бабочка","schedule":null,"title":null,"tournament_type":"mcmahon","handicap":0,"rules":"japanese","time_per_move":87426,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"correspondence","pause_on_weekends":false,"time_increment":86400,"initial_time":129600,"max_time":604800},"is_open":true,"exclude_provisional":true,"group":{"id":9,"name":"Русская группа","summary":"Интересные, призовые турниры.","require_invitation":true,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":1955,"icon":"https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-64.png"},"auto_start_on_max":false,"time_start":"2025-05-07T14:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2025-06-22T13:24:27.562086Z","ended":"2025-07-13T08:56:07.356106Z","start_waiting":"2025-06-22T13:24:27.479120Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/fd8ca9680500359b55b5bc1196226b5f-15.png","player_count":4,"ranked":true},{"id":129725,"name":"Live 19x19 Swiss Tournament 2025-06-22 12:30","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 Site-wide Tournament","schedule":{"id":4,"name":"Live 19x19 Swiss Tournament","rrule":"DTSTART:20260522T200000Z\nRRULE:FREQ=HOURLY;INTERVAL=4","active":true,"created":"2014-12-20T06:30:39.250689Z","last_run":"2026-05-22T20:00:16.188496Z","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":"2026-05-23T00:00:00Z","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":"2025-06-22T12:30:27.525178Z","players_start":6,"first_pairing_method":"random","subsequent_pairing_method":"strength","min_ranking":0,"max_ranking":36,"analysis_enabled":false,"exclusivity":"open","started":"2025-06-22T12:31:27.562881Z","ended":"2025-06-22T14:17:21.270346Z","start_waiting":"2025-06-22T12:31:27.474429Z","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}]}