Usages of la diagonal
De haber movido el alfil a esa diagonal, él habría ganado.
If he had moved the bishop to that diagonal, he would have won.
El peón que está en la diagonal evitó el jaque mate.
The pawn that is on the diagonal prevented the checkmate.
Elon.io is an online learning platform
We have an entire course teaching Spanish (Latin America) grammar and vocabulary.