[harikannan]

Today, playing IMPs, I held:

AKJ3
KJ73
Q92
76

and gibbo-partner opened the bidding with a pass. My RHO passed and I opened 1D, which was overcalled 1S on my left. My gibbo-partner bid 2S, described as good raise in diamonds. When it came to me, I bid 3NT.

To my shock, my gibbo-partner bid 6D taking my 3 NT bid to show 18-19 HCP, which was actually the description I didn't see before clicking.

Is this a robot thing, or do humans play 3NT showing 18-19 here? If yes, how do they bid my hand?

Thanks in advance.

[thepossum]

from memory of that system I think a jump in NT is 18-19 and NT without a jump is 12-14
Could be wrong but I think 2NT could have worked with GiBBo or is it gIbBO

[msheald]

The robot does not seem to play fast arrival at game means the bidding is over. Of course, if robot had 14 points and 6 diamonds warranting a 6 diamond bid, it should not have passed! One of the many glitches of the robots.

Mike

[msheald]

The robot does not seem to play fast arrival at game means the bidding is over. Of course, if robot had 14 points and 6 diamonds warranting a 6 diamond bid, it should not have passed initially! One of the many glitches of the robots.

Mike

[harikannan]

The robot partner held:

42
6
AJ865
KJ532

and jumped to 6D expecting me to have 18-19 HCP.

I was interested in knowing how this 3NT rebid is treated by humans, which I guess would be 13+ or 14 HCP.

[steve2005]

Clear to open 1NT with 14 pts here
Gibbo bids much better over NT openings

[Thranduil]

As partner passed initially, they can be invitational at best.

As a human, this 3NT would be an accept of the invite and sign off, nothing more. Could be 18/19 if it's a hand you don't necessarily want to play slam opposite a passed partner, but could be 14 points like your hands too.

2NT would be a minimum opener that prefers to play NT instead of the minor.

A strong hand that wants to play slam could be shown with any cuebid or by overcalling opp's suit. New suit on 3rd level would most likely be strong too.