[lxt08]

hi all

I BBO ID lxt08

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W How bid?

EW use Walsh Relay (if E have C/D 6 cards use 1NT 2D)

EW How to bid the best contract?

[madongjun]

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[Zelandakh]

Again, pretty meaningless without knowing more about the NT structure. One possibility is:

1NT = 15-17 I assume?
... - 2♣ = ask
2♦ = no 5 card major
... - 2♥ = 4 spades?
2NT = no, and min
... - 3♦ = 4+ diamonds, SI
3NT = no fit
... - 4NT = nat
6♣ = good in context, 5 clubs

Another:

1NT = 15-17
... - 2♠ = Baron range ask
2NT = min
... - 3♦ = 4+ diamonds, SI
3NT = no fit, no major
... - 4NT = nat
5♣ = good in context, 5 clubs
... - 6♣

In pretty much any method, West can show slam interest and diamonds; East can deny diamonds; West can invite slam; and East cooperates while showing 5 clubs. There may well be a more scientific way using your version of relays but if there is then you are probably better placed to know that than us.

[Fluffy]

On standard bidding I would try

1NT-2♣
2♦-3♦ (GF with 5+ diamonds)
3NT-4♣

3NT = no fit, hence 3325, or 3226, 4♣ natural slam try.

rest depends on the methods, if methods allow East to cuebid ♦Q grand slam can be reached.

[lxt08]

Thx fluffy

1NT-2♣
2♦-3♦ (GF with 5+ diamonds)
3NT-4♣

4C very good! this I need.