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.
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Week 0199 : 15th April 2024
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.