Findings:
- Grandmaster Flash
- Grandmaster
- Grandmaster Draw
- Nebula Grandmaster
- Derren Brown beats nine grandmasters at chess
- Interview with a Grandmaster
- Grandmaster (user)
- Grandmaster Flash and the Furious Five
- Phantom Grandmaster
- super grandmaster
If you Log in you could create a "grand-master" node. If you don't already have an account, you can register here.