Gerber Ace-Asking 4
4 is used as an ask for Aces.
The response are:
- 4
0 or 4 aces - 4
1 ace - 4
2 aces - 4NT 3 aces
The king ask is 5 and the responses are:
- 5 0 or 4 kings
- 5 1 king
- 5 2 kings
- 5NT 3 kings
Playing Gerber, 4NT is natural and quantitative. In most cases people play Gerber only after a NT opening or a natural NT bid. However, Gerber may be played after any opening or response if the partnership agrees on it.