▁established ▁in ▁ 1 9 7 3 ▁Category : Mag az ines ▁published ▁in ▁Mont ana ▁Category : Public ations ▁of ▁the ▁University ▁of ▁Mont ana <0x0A> </s> ▁Louis ▁Paul sen ▁( 1 5 ▁January ▁ 1 8 3 3 ▁in ▁Gut ▁N ass eng rund ▁near ▁Bl om berg , ▁Princi p ality ▁of ▁Li ppe ▁– ▁ 1 8 ▁August ▁ 1 8 9 1 ) ▁was ▁a ▁German ▁ch ess ▁player . ▁In ▁the ▁ 1 8 6 0 s ▁and ▁ 1 8 7 0 s , ▁he ▁was ▁among ▁the ▁top ▁five ▁players ▁in ▁the ▁world . ▁He ▁was ▁a ▁younger ▁brother ▁of ▁Wil fried ▁Paul sen . ▁ ▁Paul sen ▁was ▁one ▁of ▁the ▁first ▁players ▁to ▁challenge ▁the ▁notion ▁that ▁an ▁attack ▁could ▁be ▁constructed ▁out ▁of ▁br ill iance . ▁He ▁put ▁forward ▁the ▁idea ▁that ▁any ▁brilliant ▁attack ▁would ▁have ▁failed ▁against ▁correct ▁defence . ▁His ▁ideas ▁were ▁grasp ed ▁by ▁Wilhelm ▁Ste init z , ▁who ▁declared ▁that ▁attack ▁and ▁defence ▁have ▁equal ▁status , ▁and ▁particularly ▁by ▁Ar on ▁N im z ow itsch , ▁who ▁listed ▁Paul sen ▁among ▁his ▁six ▁greatest ▁" p ure ly ▁def ensive ▁players ". ▁Paul ▁Mor phy ▁and ▁Paul sen ▁were ▁early ▁master s ▁of ▁the ▁game ▁and ▁of ▁blind fold ▁ch ess ; ▁they ▁were ▁capable ▁of ▁playing ▁ 1 0 ▁blind fold ▁games ▁at ▁the ▁same ▁time ▁without ▁any ▁major ▁errors . ▁In ▁ 1 8 6 2 ▁Paul sen ▁challeng ed ▁Adolf