▁in ▁his ▁famous ▁ 1 8 9 1 ▁cable ▁match ▁against ▁Ch ig or in . ▁The ▁Ste init z ▁Vari ation ▁was ▁mostly ▁forgotten ▁until ▁Fischer ▁rev ived ▁it ▁in ▁the ▁ 1 9 6 0 s . ▁N ig el ▁Short ▁led ▁a ▁second ▁rev ival ▁of ▁ 9 . N h 3 ▁in ▁the ▁ 1 9 9 0 s , ▁and ▁today ▁it ▁is ▁thought ▁to ▁be ▁about ▁equal ▁in ▁strength ▁to ▁the ▁more ▁common ▁ 9 . N f 3 . ▁In ▁addition ▁to ▁the ▁moves ▁ 8 . Be 2 ▁and ▁ 8 . Q f 3 , ▁the ▁move ▁ 8 . B d 3 ▁is ▁a ▁valid ▁alternative ▁that ▁has ▁apparently ▁become ▁fashion able ▁in ▁recent ▁years . ▁ ▁Tra x ler ▁Vari ation : ▁ 4 ... B c 5 ▁ ▁This ▁bold ▁move ▁ign ores ▁White ' s ▁attack ▁on ▁f 7 ▁and ▁leads ▁to ▁wild ▁play . ▁Czech ▁problem ist ▁K arel ▁Tra x ler ▁played ▁it ▁against ▁Rein isch ▁in ▁Prag ue ▁in ▁ 1 8 9 0 . ▁Later ▁it ▁was ▁named ▁after ▁Wil kes - Bar re , ▁Pennsylvania ▁by ▁Frank ▁Marshall , ▁who ▁claimed ▁to ▁be ▁first ▁to ▁analyze ▁and ▁publish ▁it , ▁so ▁today ▁ 4 ... B c 5 ▁is ▁known ▁as ▁both ▁the ▁Tra x ler ▁Vari ation ▁and ▁( in ▁the ▁United ▁States ▁and ▁the ▁United ▁Kingdom ▁only ) ▁the ▁Wil kes - Bar re ▁Vari ation . ▁ ▁White ▁can ▁play ▁ 5