Negative doubles are one of the most useful bids in your bidding tool kit. Here is a summary how to use them, and inferences available when they are not used:
Also, see ACBL’s nice summary here.
Hilo Bridge Club Updates
Negative doubles are one of the most useful bids in your bidding tool kit. Here is a summary how to use them, and inferences available when they are not used:
Also, see ACBL’s nice summary here.