stuart barry sir barry september march british chess player chess writer world war civil servant represented england chess world war worked park world war head section responsible messages machine leading petition prime minister winston_churchill directly resources work war worked treasury later administered british honours system chess represented england international tournaments lent opening variations early life education born london second children died wife talented chess player won british boys championship pupil won scholarship cambridge obtained classics moral sciences represented cambridge chess cambridge befriended chess player hugh alexander composed number chess puzzles city unhappy work chess correspondent times succeeded early chess contributions debut international class chess strong london tournament world champion alexander won barry best results international competition achieved straight years tournaments hastings events finished middle strong fields performance ratings calculated places solid international master standard received title reached high world june august according ranks historical chess performances modern represented england chess played international chess tournament held buenos_aires argentina coincided britain declaration war germany september barry teammates included time british chess champion abandoned tournament unfinished returned britain results listed later article park return soon joined government code park barry recruited mathematician contemporary turn recruited arriving early joined section task solve machine german_army air_force wrote day claim fully understood machine worked let involved problems breaking reading nonetheless knowledge german language study found contained patterns forms address exploited reliable plain language message matched given piece text finding reliable critical task broken primarily aid large machines automatically searched parts correct settings reliant suitable order succeed autumn charge room alexander working counterpart working close friendship let easily resolve competing needs sections limited available time october deputy head time experiencing shortage clerical staff delaying work management appeared unable obtain resources needed affected run mathematician deputy alexander bypassed chain command wrote memorandum directly prime minister winston_churchill outlining difficulties fell deliver message downing street person october day churchill responded action day sure want extreme priority report month needs met autumn barry took head time grown staff having appointed assistant director park remained charge end war presiding number technical challenges presented introduction extra security devices including entry notes increasingly felt verge losing ability held end war small gifted leadership official history written immediately end world war comments early vital technical achievement finding administrative diplomatic talents later role head section world war barry joined treasury grade principal married son daughters year promoted assistant secretary secretary apart stint remained treasury aged reached normal retirement age civil service persuaded instead carry ceremonial officer honours system role supported barry eventually retired appointed work world war later chess contributions continued play chess competing trip moscow risky britain ussr allies world war locked cold war wartime knowledge great interest soviets fact britain broken german codes massive scale kept secret book ultra secret published placed second hastings finishing score best result british championships president competed british championship late competing club county level tournaments matches 80s obituary independent recalled effective attacking style perfection series friendly games old rival wrote style pleasing spectators looking dangerous found associated chess opening variations indian defence french defence barry variation results barry detailed results competing england chess follows stockholm board buenos_aires board board moscow board overall scored cent final years fiercely defended reputation come posthumous criticism publishing details wartime work echoing wartime visit downing street member party delivered petition prime minister calling government help preserve threat demolition died march london memorial service held june
Stuart Milner-Barry