ZETA:


Jump in a new suit after 1 diamond is a very strong hand and a form of Alpha:
1. step: Single / void.
2. step: Two cards / honor single.
3. step: Three small / Top honor second.
4. step: Top honor third.
5. step: At least 4 small.
6. step: Tophonor fourth.
7. step: Two top honors.
8. step: Two top honors fourth.

If the answear hand bids at least 4 steps, a bid in a suit is now Epsilon.