[finesse157]

P-P-1N-X
2D-P-2H-3C
P-3N-P-P
X

Let's assume for now that the 3C bid description is wrong and that the bid should be 17+HCP as per Acol.
From that bidding, you would assume that the 3N bidder had 6-8 HCP and a stopper in H. So making game seems reasonable.

So, it was a surprise when lefty doubled.
It turns out that P has JTxxx-Jxx-xxx-xx.

What I think is happening here is that lefty (Argine) knows that the description and implementation of the 3N bid is wrong.

So, is this an example of Argine(West) fielding a psyche by Argine(North)

https://tinyurl.com/2h4j8xg2

[johnu]

finesse157, on 2023-March-08, 12:18, said:

So, it was a surprise when lefty doubled.
It turns out that P has JTxxx-Jxx-xxx-xx.

What I think is happening here is that lefty (Argine) knows that the description and implementation of the 3N bid is wrong.

So, is this an example of Argine(West) fielding a psyche by Argine(North)

https://tinyurl.com/2h4j8xg2

Sounds like a typical robot double. West has 8 HCP, East opened 1NT showing 12-14. How can you make 3NT only having 18-20 HCP? So IMO that's why there was a penalty double.