She is the only woman chess player ever on the cover of Sports Illustrated:
_ _ _ _
1 2 3 4
_ _ _ _
5 6 7 8

If you can't answer this, the clues below will help unearth the mystery lady's name. The numbers above (depicting a letter) all correspond to the numbers below (which also depict a letter).

CLUES:

1. She committed the Sac of Rome:
_ _ _ _ _
* * * * 4
_ _ _ _ _ _
* * 5 * * *

2. She was Woman's World Champ in the 1960s & 1970s:
_ _ _ _
7 * * *
_ _ _ _ _ _ _ _ _ _ _ _ _ _
* * * * * * * * 3 * * * * *

3. She is the strongest women ever:
_ _ _ _ _ _   
* * * 2 * *
_ _ _ _ _  _
* * 1 * * *

4. She had a club of her chess victims:
_ _ _ _
* * * 6
_ _ _ _ _ _ _
* 8* * * * *