Sababtoo ah waxaan leenahay xeerka sadex laab laabashada ee chess-ka?
Context:Chess-ka, qaanuunka soo noqnoqoshada saddex-geesoodka ah wuxuu sheegayaa in ciyaaryahan uu sheegan karo barbaro haddii isla booska uu dhaco saddex jeer inta lagu jiro ciyaarta. Xeerka waxaa sidoo kale loo yaqaanaa ku celcelinta booska iyo, xeerarka USCF, sida dhacdooyinka saddex-geesoodka ah ee booska. Laba boos ayaa qeexitaan ahaan "isku mid ah" haddii noocyada isku midka ah ee jajabku ay qabsadaan isla meelaha isku midka ah, isla ciyaaryahanka ayaa dhaqaaqaya, xuquuqaha harsan ee harsan ayaa isku mid ah iyo suurtagalnimada in la qabsado en passant waa isku mid. Meelaha lagu celceliyo looma baahna inay si isku xigta u dhacaan. Sababta ka dambeysa xeerka ayaa ah in haddii booska uu dhaco seddex jeer, horumar dhab ah lama sameynayo ciyaartuna waxay sii socon kartaa si aan xad lahayn.  Ciyaarta si toos ah looma dhigo barbaro haddii booska uu dhaco markii saddexaad <unk> mid ka mid ah ciyaartoyda, marka ay soo noqdaan, waa inuu ku dalbadaa barbaro garsooraha. Codsashada waa in la sameeyaa ka hor inta aan la sameynin tallaabada keenaysa soo noqnoqoshada saddexaad, ama ka dib markii uu ka soo horjeedaa uu sameeyay tallaabada keenaysa soo noqnoqoshada saddexaad. Taas bedelkeed, shan jeer ku celcelinta xeerka wuxuu u baahan yahay garsooraha inuu soo dhex galo oo uu ku dhawaaqo ciyaarta barbaro haddii isla booska uu dhaco shan jeer, uma baahna sheegashada ciyaartoyda.
Xeerkan waxaa loola jeedaa in la hubiyo in ciyaartu dhamaato oo aysan sii socon karin ilaa xad.