American Hungarian Susan Polgar became a grandmaster at the age of 15.

美国匈牙利籍的苏珊·波尔加在15岁时成为一名特级大师。

Another that features in a number of bestselling books is that of the three Polgar sisters, whose father decided to teach them chess in a very technical manner from a very early age.

另一个出现在许多畅销书中的是波尔加三姐妹的故事，她们的父亲决定从很小的时候就以非常技术性的方式教她们国际象棋。