Ancient military historian and wargamer Greg Pitts, of whom you can find more in the Introductions folder, kindly provided me with a wargame scenario of the Second Battle of Chaeronea, pitting Sulla against an army of Mithradates in 86 BC. (PDF file)
The First Battle of Chaeronea took place in 383 BC, when Philip of Macedonia defeated the Athenians and Thebans. Here is Dioderus Siculus.