Spassky System or Karpov Variation

Spassky System or Karpov Variation

Avro1000
Avro1000
Dec 3, 2015, 7:44 PM |
0

What is the best next best move for white: Spassky System 4-E3 or Karpov Variation 4-A3?

I am looking for personal imputs and reasoning here. I have the books but I want to see what chess.com commuity thinks.