He had played many times against Paolo Boi in Italy, and they were regarded as being equal in strength.

[1] After their success at the Court of Spain, Leonardo and Boi both travelled, albeit separately, to Lisbon, where they tested their skill against Il Moro, the eminent chess champion of King Don Sebastian, of Portugal.

After this triumph, Leonardo, having been called the wandering knight (Il Cavaliere errante) by King Don Sebastian, left Portugal to return to Italy and settle in Naples, where he became the chess master for the Prince of Bisignano.

Although only a small number of his games have reached us, we are certain that he did not play chess like his peers, who were all aggressive attackers.

Instead, he was a slow, positional player who consistently favored sound tactics over spectacular combinations.