▁active ▁in ▁Iran , ▁with ▁one ▁of ▁them , ▁Ad har ▁Val ash , ▁r uling ▁Tab ar istan ▁and ▁G organ ▁under ▁the ▁last ▁S as an ian ▁sh ah , ▁Y az de ger d ▁III ▁( ). ▁His ▁grand son , ▁Val ash , ▁ruled ▁Tab ar istan ▁from ▁ 6 6 5 ▁to ▁ 6 7 3 . ▁ ▁Works ▁ ▁Several ▁Middle ▁Pers ian ▁treat ises ▁were ▁written ▁by ▁Bo z org me hr . ▁Most ▁famous ▁is ▁the ▁W iz ā ri š n ▁ ī ▁č atr ang ▁(" T re at ise ▁on ▁Ch ess "), ▁also ▁known ▁as ▁the ▁Ch atr ang ▁N ama ▁(" Book ▁of ▁Ch ess "). ▁ ▁As ▁well ▁as ; ▁Ay ā dg ā r ▁ ī ▁W uz urg mi hr ▁ ī ▁B ō xt ag ā n , ▁K et ā b ▁al - Z ab ar j ▁( the ▁original ▁version ▁a ▁comment ary ▁on ▁V ett ius ▁Val ens ’ s ▁Ast ro log ica ), ▁K et ā b ▁Me hr ā z ā d ▁Jo š nas ▁(" Book ▁of ▁Me hr ā ḏ ar ▁Jo š nas ") ▁and ▁the ▁ <0xE1> <0xBA> <0x92> af ar - n ā ma ▁(" Book ▁of ▁Vict ory ", ▁a ▁book ▁written ▁in ▁Middle ▁Pers ian , ▁that ▁was ▁translated ▁into ▁New ▁Pers ian ▁by ▁Av ic en na . ▁ ▁References ▁ ▁S ources ▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁ ▁ ▁Category : Sh ah name h ▁characters