Since 3NT suffices for game, one rarely wants to play in 4NT. 4NT is usually a conventional move towards a slam. The most common uses are variations of the ace-asking convention, Blackwood.
Week 0171 : 2nd October 2023
Since 3NT suffices for game, one rarely wants to play in 4NT. 4NT is usually a conventional move towards a slam. The most common uses are variations of the ace-asking convention, Blackwood.