▁is ▁the ▁short ▁name ▁of ▁the ▁celebrated ▁book ▁Tra ité ▁Thé or ique ▁et ▁Pr atique ▁du ▁jeu ▁des ▁E ch ec s , ▁par ▁une ▁Société ▁des ▁Am ateurs , ▁published ▁in ▁France ▁in ▁ 1 7 8 6 ▁and ▁subsequently ▁translated ▁into ▁German ▁and ▁English . ▁ ▁A ▁rev iewer ▁in ▁ 1 8 3 0 ▁wrote ▁that : ▁The ▁Tra ite ▁des ▁Am ateurs , ▁is ▁one ▁of ▁the ▁best ▁practical ▁works ▁on ▁Ch ess , ▁ext ant . ▁It ▁contains ▁a ▁great ▁number ▁of ▁beautiful ly ▁played ▁games , ▁together ▁with ▁much ▁solid ▁information , ▁and ▁it ▁is ▁matter ▁of ▁regret ▁that ▁the ▁scarc ity ▁of ▁the ▁book , ▁prevents ▁its ▁being ▁more ▁generally ▁used ▁by ▁the ▁Ch ess ▁student . ▁ ▁Le ▁Tra ité ▁des ▁Am ateurs ▁Le ▁Tra ité ▁des ▁Am ateurs ▁is ▁a ▁ch ess ▁treat ise ▁composed ▁by ▁a ▁" So ci ety ▁of ▁Am ateurs " ▁who ▁were ▁contempor aries ▁of ▁Phil idor ▁and ▁all ▁frequ ented ▁the ▁C afé ▁de ▁la ▁Rég ence ▁in ▁Paris . ▁Of ▁these , ▁the ▁strong est ▁players ▁were ▁Bernard , ▁Car lier , ▁Leg er ▁and ▁Verd oni . ▁Phil idor , ▁who ▁lived ▁in ▁London , ▁took ▁no ▁part ▁in ▁writing ▁the ▁Tra ité ▁des ▁Am ateurs ▁( which ▁emb od ies ▁many ▁critic isms ▁and ▁comments ▁on ▁his ▁earlier ▁book ). ▁George ▁Walker , ▁in ▁his ▁translation ▁of ▁the ▁Tra ité ▁for ▁the ▁Ch ess ▁Player ' s ▁Chron icle ▁in ▁ 1 8 4