After an opponent doubles a 4NT ace enquiry, Pass shows zero (O) aces, and Redouble shows one (I). This method is common for users of PODI but otherwise rare.
Week 0143 : 20th March 2023
After an opponent doubles a 4NT ace enquiry, Pass shows zero (O) aces, and Redouble shows one (I). This method is common for users of PODI but otherwise rare.