Keycard Gerber For Minor Suits
If you have agreed on a minor suit as the trump suit, you can ask for keycards instead of only the aces.
Treat the king of trump as an ace. You can use any set of responses that you and your partner prefer.
A recommendation is to use minor Suit Keycard responses and Criss-Cross Gerber.
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mSK Responses to Keycard Gerber
4 | 0 or 1 key card |
4 | 2 keycards - no Queen of trump |
4 | 2 keycards - with the Queen |
| 4NT | 3 key cards |
5 | 4 keycards |
Criss-Cross Gerber
If your trump suit is clubs, then a jump to 4
is Criss-Cross Gerber.
If your trump suit is diamonds, then a jump to 4
is Criss-Cross Gerber.
Roy Wilson