I followed AbsoluteZero's guide to horse rushing
here. I think AZ's guide is a very good guide. I saw Cseanny's use of the Oracle as well. I don't know if skipping all the religious techs and masonry, or putting production into horse archers rather than a world wonder was the "slow way."
They are both really good strategies. I'm sure my implementation of AZ's guide was lacking, as I am sure my implementation of Cseanny's strategy would be as well. Still, Cseanny's use of the Oracle was pretty slick. I appreciate him sharing what he did with us. I have so much to learn from the great Civ players. I'm not sure if I will grow with experience or I will never get it. Great players seem to have an intuition that I don't.
I think huge difference in our starts was the warrior worker steal and shutdown of Willem before he even went on the attack. In my game, Willem had 7 cities by 600 BC. I had to kill 9 spearmen, 18 archers, and numerous axemen and swordsmen to conquer Willem alone. In Cseanny's game, Willem had 2 cities, though I'm not sure about the date of his attack.
Every time I steal workers and plant my warrior on a wooded hill near the enemy that enemy is easy picking later. I need to do that more often.