He had probably not more than eleven thousand men in the fight and it is doubtful whether Howe brought up a greater number so that the armies were not unevenly matched.

At daybreak on the eleventh the British army broke camp at the village of Kenneth Square, four miles from Chadd's Ford, and, under General Knyphausen, marched straight to make a frontal attack on Washington's position.
In the battle which followed Washington was beaten by the superior tactics of his enemy.

Not all of the British army was there in the attack at Chadd's Ford.

A column under Cornwallis had filed off by a road to the left and was making a long and rapid march.

The plan was to cross the Brandywine some ten miles above where Washington was posted and to attack him in the rear.