[pigpenz]

this is a hand where I was curious as to what card you need to play in order to get your Partner
GIB to switch to your suit even after you have overcalled in it. Would I be better of Playing Q♣ or
J♥?( this hand was with the flash version)
It would seem if its running simulations on defense that the only chance to beat the hand is a heart return.
If East is 3-(0-1)-(6-7)-(2-4) then south is getting squeezed in ♥♣.

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[barmar]

GIB doesn't read signals.

GIB thinks you have a better hand for your overcall, so you probably have a diamond honor behind declarer, while your ♥A isn't going anywhere. It doesn't think your ♥A is going anywhere, but if it leads ♥ you may be end-played. It think down 1 is pretty sure, so it's trying for down 2.

Was this a basic or advanced bot? When I gave my test bot more thinking time, its simulations found enough hands that are like the actual hand that it returned a ♥ instead of ♦.