Simplify the following text for a Grade 13 native English-speaking person.
Original: In 1998 he won the first prize in the Nikolai Rubinstein Competition in Paris , third prize in the Ennio Porrino Competition in Cagliari Italy and then , in 2005 , he won first prize in the Yehudi Menuhin Federation Competition in Salzburg and in 2006 Young Artist International Piano Competition in Los Angeles .
Simplified: He has also won prizes in the Yehudi Menuhin Federation Competition in Salzburg , and at the Young Artist International Piano Competition in Los Angeles ( 2006 ) .