My Erdös-Bacon number = 8
 |  |  |
|---|---|---|
| Paul Erdös | Kevin Bacon | Black Sabbath |
| ⇕ | ⇕ | ⇕ |
| John Gordon Gimbel | Tom Cruise | |
| ⇕ | ⇕ | |
| Jan Kratochvíl | Marek Vašut | ? |
| ⇕ | ⇕ | |
| Aleš Kuběna | Igor Chaun | |
| ⇕ | ⇕ | ⇕ |
| Martin Šmíd | Martin Šmíd | Martin Šmíd |
| ↓ | ↓ | ↓ |
| Erdös number = 4 | Bacon number = 4 | Sabbath number = ? |
| ↓ | ||
| Erdös-Bacon number = 8 | ||
| Erdös-Bacon-Sabbath number > 9 |
Erdös-Bacon number is the sum of collaboration distance to Paul-Erdös (in math) and to Kevin Bacon (in movie appearance). In Erdös-Bacon-Sabbath number, the distance to Black Sabbath is added; however, I still had not found a path from their metal to my post-klezmer.