{"count":59413,"next":null,"previous":"https://online-go.com/api/v1/tournaments?format=json&ordering=max_ranking&page=5941","results":[{"id":65480,"name":"Grupo A Ronda 1","director":{"id":58535,"username":"blaumag","country":"ar","icon":"https://user-uploads.online-go.com/b9111f93173ba3f8763596a345d7e40e-64.png","ratings":{"version":5,"overall":{"rating":1491.4078798746825,"deviation":341.6984305472543,"volatility":0.05999984344025184}},"ranking":24.170395885469745,"professional":false,"ui_class":"provisional"},"description":"Grupo A Ronda 1","schedule":null,"title":null,"tournament_type":"elimination","handicap":0,"rules":"japanese","time_per_move":43,"time_control_parameters":{"system":"byoyomi","time_control":"byoyomi","speed":"live","pause_on_weekends":false,"main_time":1200,"period_time":30,"periods":3},"is_open":true,"exclude_provisional":false,"group":{"id":6840,"name":"CURSO UNR JULIO 2022","summary":"","require_invitation":false,"is_public":true,"admin_only_tournaments":false,"hide_details":false,"member_count":21,"icon":"https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-64.png"},"auto_start_on_max":false,"time_start":"2020-09-15T08:00:00Z","players_start":2,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":false,"exclusivity":"invite","started":"2020-09-15T08:00:34.630022Z","ended":"2020-09-15T08:14:06.834140Z","start_waiting":"2020-09-15T08:00:34.432011Z","board_size":19,"active_round":null,"icon":"https://user-uploads.online-go.com/64c0f29be00c04921a5b03e563575657-15.png","player_count":2,"ranked":true},{"id":67307,"name":"Sunday 9x9 tournament","director":{"id":56637,"username":"milanm","country":"un","icon":"https://user-uploads.online-go.com/3ca6488bbc5b99dee6389c8324babd42-64.png","ratings":{"version":5,"overall":{"rating":1675.1324544564611,"deviation":66.5167084536661,"volatility":0.059913125860353515}},"ranking":26.85977027243067,"professional":false,"ui_class":"aga"},"description":"weekly 9x9 tournament","schedule":null,"title":null,"tournament_type":"double_elimination","handicap":0,"rules":"japanese","time_per_move":31,"time_control_parameters":{"system":"fischer","time_control":"fischer","speed":"live","pause_on_weekends":false,"time_increment":30,"initial_time":120,"max_time":240},"is_open":true,"exclude_provisional":false,"group":{"id":5803,"name":"Massachusetts Go Foundation","summary":"","require_invitation":true,"is_public":false,"admin_only_tournaments":false,"hide_details":false,"member_count":49,"icon":"https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-64.png"},"auto_start_on_max":false,"time_start":"2020-11-01T18:00:00Z","players_start":4,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"group","started":"2020-11-01T17:58:34.570633Z","ended":"2020-11-01T18:30:09.612943Z","start_waiting":"2020-11-01T17:58:34.055095Z","board_size":9,"active_round":null,"icon":"https://user-uploads.online-go.com/ac9f8e424d9bbcbeaadc6a8c635f8262-15.png","player_count":6,"ranked":true},{"id":137607,"name":"13x13 Open League #56","director":{"id":1015644,"username":"wiadp1","country":"pl","icon":"https://user-uploads.online-go.com/253ed3da1cc83d36ac1e5313f959f54d-64.png","ratings":{"version":5,"overall":{"rating":1344.1589287195943,"deviation":66.80201481521684,"volatility":0.06020475118942387}},"ranking":21.7639053721297,"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":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":70,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-64.png"},"auto_start_on_max":true,"time_start":"2026-03-01T21:00:00Z","players_start":10,"first_pairing_method":"slide","subsequent_pairing_method":"slaughter","min_ranking":5,"max_ranking":38,"analysis_enabled":true,"exclusivity":"open","started":"2026-03-01T03:58:58.149302Z","ended":null,"start_waiting":"2026-03-01T03:58:57.174316Z","board_size":13,"active_round":1,"icon":"https://user-uploads.online-go.com/02eb72b0992a3db1053a7c08c080d81b-15.png","player_count":10,"ranked":true}]}