Translation of "Shrewd" in French

Tom is a shrewd businessman.

Tom est habile en affaires.

He is shrewd and calculating.

Il est futé et calculateur.

He may be a poor talker and far from shrewd, but I like him all the better for that.

Peut-être est-il maladroit dans ses paroles et qu'il manque de finesse, mais je l'apprécie d'autant plus pour ça.

With a shrewd maneuver, the army in black uniform captured the opponent's queen, and they surrendered, because without their most valuable figure it would be useless to continue fighting. The battle was lost.

Par le moyen d'une manœuvre astucieuse, l'armée en uniforme noir captura la dame de l'adversaire, et il se rendit, car sans sa figure la plus précieuse, il serait inutile de continuer à se battre. La bataille était perdue.