Then the king of Israel marched out and attacked the horses and chariots, inflicting a great slaughter on the Arameans.
The treaty between the besiegers and the besieged being broken off abruptly, we have here an account of the battle that ensued immediately. I. The Syrians, the besiegers, had their directions from a drunken king, who gave orders over his cups, as he was drinking (Kg1 20:12), drinking himself drunk (Kg1 20:16) with the kings in the pavilions, and this at noon.
Commenting on 1 Kings 20:12-21
And the king of Israel went out,.... Of Samaria; when he saw the Syrians fleeing, and his army pursuing, he went forth, perhaps, with more forces, who were now willing to join with him; Josephus (c) says, Ahab had another army within the walls: and smote the horses and chariots; that is, the men that rode on horses; and in chariots, the Syrian cavalry: and...
1Ki 20:19-21 But they - the servants of the governors at the head, and the rest of the army behind - smote every one his man, so that the Aramaeans fled, and Benhadad, pursued by the Israelites, escaped on a horse with some of the cavalry. וּפּרשׁים is in apposition to בּן־הדד, “he escaped, and horsemen,” sc.
Commenting on 1 Kings 20:19-21