ANSWERS

1. Two Answers:
    a. Bolero  
    b. Carmen

2. Eldrick

3. Queensberry Rules. ( J. S. Douglas was the 8th Marquess of Queensberry)

4. Lawn tennis

5. d. bishop  (interesting is the combination wise man and fool)

6. Sugar Ray Robinson

7. Check mate.  From the Persian 'sha-mat'.

8. b. 1,000

9. b. 10.8 sec

10. tennis arm (elbow)