A 4NT response to 1NT or 2NT opening is a quantitative slam invite, asking opener to pass if minimum, bid 6NT if maximum. This is a stub. You can help out by editing this article. See for more.
Identifier (URI) | Rank |
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dbkwik:resource/ZbeTPzEpOegcpZApxfIKmQ== | 5.88129e-14 |