<prompt> Pedzisa mutsara unotevera: Nick Patterson aiva mwana aiva shasha. Akakunda Irish Chess Championship muna 1969. Mumutambo murefu mu  <response>: Chess Olympiad yeZiegen muna 1970, kwaakatamba bhodhi yepamusoro yeIreland, akasangana neDanish grandmaster Bent Larsen, uyo aive mumwe wevatambi gumi vepamusoro munyika panguva iyoyo, uye akakwanisa kuita dhizaini mushure memazana makumi mapfumbamwe nematatu. 