[lycier]

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here is link

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here is link

Same lead with different GIB defense in the same hand,of course,the results are different,unfair play.

[Bbradley62]

The only time GIBs are guaranteed to play similarly is in tournaments. There, all GIBs are the same type of GIB (advanced, as opposed to basic), and they start with the same "seed number" (maybe that's an old-fashioned term) so that they will simulate the same way. These hands are not from a tournament, since they have different hand numbers.

[surelyours]

 Bbradley62, on 2014-February-07, 19:36, said:

The only time GIBs are guaranteed to play similarly is in tournaments. There, all GIBs are the same type of GIB (advanced, as opposed to basic), and they start with the same "seed number" (maybe that's an old-fashioned term) so that they will simulate the same way. These hands are not from a tournament, since they have different hand numbers.

Thank you！ It makes sense at first glance. Only if robots had not set their goal as to win scores, they can randomly discard instead of trump.

[Bbradley62]

Above, I was addressing OP's complaint, that GIB didn't behave the same at both tables.

I certainly can't know for sure, but I presume that the second East simulated hands where he was better off saving his trump for winning trump tricks. Hopefully either a GIB programmer or a defense expert can address this.