[{"@context":"https:\/\/schema.org\/","@type":"Article","@id":"https:\/\/www.blackle.cz\/sachova-hra-jako-sportovni-odvetvi\/#Article","mainEntityOfPage":"https:\/\/www.blackle.cz\/sachova-hra-jako-sportovni-odvetvi\/","headline":"\u0160achov\u00e1 hra jako sportovn\u00ed odv\u011btv\u00ed","name":"\u0160achov\u00e1 hra jako sportovn\u00ed odv\u011btv\u00ed","description":"Kdy\u017e se \u0159ekne „\u0161achy“, jist\u011b si ka\u017ed\u00fd z v\u00e1s vybav\u00ed hrac\u00ed pl\u00e1n o 64 pol\u00edch, ve tvaru \u010dtverce, na jeho\u017e plo\u0161e\u010c\u00edst d\u00e1le","datePublished":"2023-05-06","dateModified":"2023-05-06","author":{"@type":"Person","@id":"https:\/\/www.blackle.cz\/author\/#Person","name":"","url":"https:\/\/www.blackle.cz\/author\/","identifier":1,"image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/774cfd57496a9f02284489749b4229073861faca9d8a66df7d65507a77c5d31f?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/774cfd57496a9f02284489749b4229073861faca9d8a66df7d65507a77c5d31f?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"blackle.cz","logo":{"@type":"ImageObject","@id":"\/logo.png","url":"\/logo.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/www.blackle.cz\/wp-content\/uploads\/img_a328446_w2608_t1540723540.jpg","url":"https:\/\/www.blackle.cz\/wp-content\/uploads\/img_a328446_w2608_t1540723540.jpg","height":0,"width":0},"url":"https:\/\/www.blackle.cz\/sachova-hra-jako-sportovni-odvetvi\/","about":["Sport"],"wordCount":553,"articleBody":"Kdy\u017e se \u0159ekne „\u0161achy“, jist\u011b si ka\u017ed\u00fd z v\u00e1s vybav\u00ed hrac\u00ed pl\u00e1n o 64 pol\u00edch, ve tvaru \u010dtverce, na jeho\u017e plo\u0161e se nach\u00e1z\u00ed prostor pro pohyb pro 32 figur sv\u011btl\u00e9 a tmav\u00e9 barvy. P\u016fvodn\u00ed hra poch\u00e1z\u00ed ze starov\u011bk\u00e9 Persie, odtud tak\u00e9 samotn\u00fd n\u00e1zev, kter\u00fd souvis\u00ed s titulem tehdej\u0161\u00edho panovn\u00edka (\u0161\u00e1h). Jak a kde p\u0159esn\u011b \u0161achy vznikly, nev\u00edme, pouze je n\u00e1m zn\u00e1mo, \u017ee ke konci 15. stolet\u00ed pro\u0161la p\u016fvodn\u00ed persk\u00e1 verze tzv. \u0161atrand\u017e \u00fapravou do podoby tak\u0159ka shodn\u00e9 s tou dne\u0161n\u00ed, a \u017ee teprve od poloviny 19. stolet\u00ed jsou \u0161achov\u00e9 turnaje za\u0159azeny jako sportovn\u00ed odv\u011btv\u00ed.\tKuri\u00f3zn\u00ed odm\u011bna za vyn\u00e1lez deskov\u00e9 hryK \u0161achov\u00e9 h\u0159e se v\u00e1\u017ee jedna zaj\u00edmav\u00e1 pov\u011bst. Zda je pravdiv\u00e1, nebo ne, nen\u00ed podstatn\u00e9, pouze vyzdvihuje inteligenci starov\u011bk\u00e9 civilizace a \u00fadajn\u00e9ho vyn\u00e1lezce t\u00e9to hry. T\u00edm byl ve star\u00e9 Persii chud\u00fd roln\u00edk, kter\u00fd p\u016fsobil na panovn\u00edkov\u011b dvo\u0159e. Jednoho dne nab\u00eddl znud\u011bn\u00e9mu \u0161\u00e1hovi zaj\u00edmavou hru pro pobaven\u00ed a tr\u00e1ven\u00ed voln\u00e9ho \u010dasu. Zpo\u010d\u00e1tku ji hr\u00e1li spolu, pozd\u011bji panovn\u00edk vyz\u00fdval ke h\u0159e sv\u00e9 poddan\u00e9 a vznikaly prvn\u00ed z\u00e1pasy a turnaje.Persk\u00fd \u0161\u00e1h byl v\u0161ak nesm\u00edrn\u011b velkorys\u00fd a cht\u011bl se objeviteli t\u00e9to \u00fa\u017easn\u00e9 z\u00e1bavy odvd\u011b\u010dit. Ve sv\u00e9 dom\u00fd\u0161livosti tak roln\u00edkovi nab\u00eddl jakoukoli odm\u011bnu, kterou si vy\u017e\u00e1d\u00e1. Byl zkr\u00e1tka ochoten vyplatit valouny zlata, nechat vystav\u011bt modern\u00ed obydl\u00ed, u\u010dinit chud\u00e9ho mu\u017ee boh\u00e1\u010dem.Ten v\u0161ak p\u0159ekvapil sv\u00e9 okol\u00ed t\u011b\u017eko uv\u011b\u0159itelnou volbou on\u00e9 odm\u011bny. Velice skromn\u011b odpov\u011bd\u011bl, \u017ee by si p\u0159\u00e1l, pokud se panovn\u00edk neuraz\u00ed, pouh\u00e1 obiln\u00e1 zrna. A to tak, \u017ee na prvn\u00ed pol\u00ed\u010dko postav\u00ed dv\u011b zrnka p\u0161enice a na druh\u00e9 pol\u00ed\u010dko druhou mocninu po\u010dtu zrnek z prvn\u00edho pol\u00ed\u010dka. Na t\u0159et\u00edm pol\u00ed\u010dku druhou mocninu zrnek z druh\u00e9ho pol\u00ed\u010dka, a tak d\u00e1le, a\u017e k posledn\u00edmu 64. poli.  Nep\u0159\u00edli\u0161 bystr\u00fd vl\u00e1dce si p\u0159edstavil pouh\u00e1 dv\u011b zrnka na prvn\u00edm pol\u00ed\u010dku a na dal\u0161\u00edm poli dal\u0161\u00ed 4 zrnka, ale d\u00e1l ji\u017e nepo\u010d\u00edtal. Domn\u00edval se, \u017ee si roln\u00edk ve sv\u00e9 skromnosti vybral tu nejubo\u017eej\u0161\u00ed odm\u011bnu, jakou mohl, pouh\u00fdch p\u00e1r obiln\u00fdch zrnek. Ale sta\u010dilo po\u010d\u00edtat d\u00e1l a z\u00e1hy bylo jasn\u00e9, \u017ee t\u011bch zrnek bylo tolik, \u017ee \u0161lo o ve\u0161kerou \u00farodu cel\u00e9 Persie. V\u017edy\u0165 ji\u017e na p\u00e1t\u00e9m poli \u0161achovnice bylo pomysln\u00fdch v\u00edce ne\u017e 65 tis\u00edc zrn, ale na \u0161est\u00e9m poli to bylo v\u00edce ne\u017e 4 miliardy zrnek. Kdy\u017e pak umocn\u00edte \u010dty\u0159i miliardy druhou mocninou, jste teprve na sedm\u00e9m poli a p\u016fjde o kvadriliony zrn. Na konci prvn\u00ed \u0159ady u\u017e se tedy jednalo o stovky pytl\u016f zrn\u00ed a teprve tehdy \u0161\u00e1h za\u010dal ch\u00e1pat, co to znamen\u00e1 tzv. exponenci\u00e1ln\u00ed \u0159ada. Doj\u00edt a\u017e k posledn\u00edmu pol\u00ed\u010dku \u0161achovnice by znamenalo mnohem v\u00edce zrn\u00ed, ne\u017e jak\u00e9 bylo v cel\u00e9 Persii v\u016fbec k dispozici.                                                                                                                                                                                                                                                                                                                                                                                        4.4\/5 - (11 votes)        "},{"@context":"https:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"\u0160achov\u00e1 hra jako sportovn\u00ed odv\u011btv\u00ed","item":"https:\/\/www.blackle.cz\/sachova-hra-jako-sportovni-odvetvi\/#breadcrumbitem"}]}]