After an opponent doubles a 4NT ace enquiry, Redouble shows zero (O) aces, Pass shows one (I) ace and the lowest bid (5♣) shows two aces etc. This method is in popular use in the UK.
Week 0171 : 2nd October 2023
After an opponent doubles a 4NT ace enquiry, Redouble shows zero (O) aces, Pass shows one (I) ace and the lowest bid (5♣) shows two aces etc. This method is in popular use in the UK.