MP, robot tourney, best hand South
A few points.
I am not happy with the description of the 2S raise. Given that he has two opposition suits to cue bid below 2S, I would be astonished if West could hold as many as 16 total points as described for a direct raise.
I am not happy that X of 2S should be forcing to 3N. I don't insist on it and if others agree that it is sensible then so be it. Arguably this hand is a case in favour of the treatment, but he has other forcing sequences available, such as a direct or delayed cue of Spades. After doubling he gets another bid (unless I convert to penalties, which I think that I am still entitled to do). This is not the only occasion where I have found odd sequences to be so strongly forcing.
I know that my pass of 3D is contrary to system, as we are supposedly forced to 3N. And indeed as the D finesse works we make 3N or 6D, and 5D does not even rely on the D finesse. My bad. I was influenced by the knowledge that partner could not be stronger than me.
But the main point of the hand is the 3S bid. Seriously?? 3S???

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ing) tr. v. - Any bid made by bridge player with which partner disagrees.