В 5 лет он умел играть в шахматы и

В 5 лет он умел играть в шахматы и смог окончить школу, когда ему было 14.

Результаты (английский) 1:

In 5 years he was able to play chess and was able to graduate from high school when he was 14.

Результаты (английский) 2:

In 5 years, he knew how to play chess and was able to graduate from high school, when he was 14.

Результаты (английский) 3:

In 5 years, he knew how to play chess and was able to pass School, when he was 14.