[starfruit]

After getting some fast and friendly responses... I decided that this is a wonderful place to post my questions
This time I shall only give the situation, later revealing what happened on the table.
PS : anyone can tell me how to make those diagrams that shows dealer position, Vulnerability and scoring thing?

Alright here are the settings :

1)It's a sort of like a KO match, where even just winning by 1 IMPs is good enough.
2)You're quite sure that you have been leading by a good amount of IMPs so there's no need for drastic/abnormal actions.
3)You're playing against strangers, meaning you have no idea of their styles before the match.
4)You note that East's bids are... let's put it as "a bit unsound".
5)You're playing with a 100% wet jean after going through 2 traffic junctions in a rain into AN AIR CON ROOM. (to cover up for the mistakes I've made)

2 interesting boards (*I think*)

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Board 1
Love All

(1♣) - P (1♦) - ?

♠JT843
♥AKJ765
♦7
♣2

You were told that they do not play walsh responses so totally no clues at all. (Maybe also no clues even if they're playing?)
On table, my partner bidded an immediate 4♥. "I'll make 4 opposite 2-3♥ and and something in ♠). Or we might be making a good sacrifice. Or they might miss a slam" was what he thought at that time. That sounds very reasonable... does it?

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Board 2
Game All

(1♠) - P - (4♠) - ?

♠-
♥AQ
♦KQT843
♣QT972

From the way this guy bids, you can expect 4♠ will be your 100% classic 6-9HCP 5carded♠.
On the table, I swear someone was whispering to me : "bid... bid... bid......"
And in less than 5sec or so I was tabling a 4NT bid.
What's your call for this one?

[awm]

(1) I'd want to show both suits here. It's fairly easy to imagine spades playing better despite the good heart suit. I'd try 2NT.

(2) Bidding seems clear, 4NT is fine. Occasionally this will fail to work out, but for every time pass or double wins there will be many double game swings and times you took +100/200 instead of your game bonus.

[mike777]

1) Prefer 2nt
2) 4NT seems fine.

To post the hand diagram just takes some practice.
When you first start a new post a bunch of buttons come up. I have no idea what most of them are or how they work but the diagram buttons work ok. You will note you can just post one, or 2 or all 4. You choose how many hands you wish to post south or northsouth or etc and then just put in the cards and add any bidding if you wish on the side and click finish. Fool around with it and you will catch on fast.

[pclayton]

a) 2N if its interpreted as the unbids; otherwise 1♥. I'd like to find out about a 5-4 spade fit.

B ) 4N - lots of ways for it to win.

[the hog]

If 2C is not interpreted as natural, that is superior to 2NT as it emphasises the H suit, with 2D emphasising the S suit and 2NT showing equal values in both suits.
On hand 2, I bid 4NT.