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.
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Week 0199 : 15th April 2024
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.