[GrahamJson]

mikestar13, on 2018-August-07, 09:50, said:

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• 1NT = 12-15 balanced, may have five card major
• 2♣ = Stayman
• 3♠ = five spades
• 4♣ = five+ clubs, <3 spades
• 4♠ = good spades, in case partner wants to play a possible 5-2 fit.
• 5♣ = to play, would gamble a pass at matchpoints.

4C sounds like a cue bid to me. I think you would need a very good understanding with partner for him to know it had the meaning described.

[etha]

So anyway to sum up I dealt 100 hands where the NS hands were the same and west bid 2♦.


6nt is a make on 57 of these and there were 3 where 6♣ makes and 6nt does not. No idea if there were any where 6nt made and 6♣ doesn't, pretty unlikely east has a void.


9 of the 6nt were only makeable by south.



surprised we had no strong 1nt openers and no 14-16 nt openers which rather defeated the bidding problem as its much harder to investigate 6 now. I may do some more of these.