uva72uva72 Posted July 12, 2014 Report Share Posted July 12, 2014 My link Match points, ACBL robot tournament Please note West's play to trick two. Given the frequency with which this (baseless and costly play of one honor under another) seems to occur, it would be interesting to know if this bug has been taken on by the programmers. Quote Link to comment Share on other sites More sharing options...
steve2005 Posted July 12, 2014 Report Share Posted July 12, 2014 let me take a guess as to the cause. Gib runs simulations and comes to conclusion the result is the same no matter what card it plays, perhaps placing declarer with J♦ so then all Gibs ♦ are the same so it plays a random card. I think this random action should be taken out of the program and just play lowest card. there are way too many gifts. Quote Link to comment Share on other sites More sharing options...
Antrax Posted July 12, 2014 Report Share Posted July 12, 2014 South psyched, showing 2 or less diamonds and a maximum of 11 HCP. That probably caused W to place E with some of S honors and definitely one more diamond, so unblocking the Q serves to put E on lead eventually and can't cost a trick. Quote Link to comment Share on other sites More sharing options...
Bbradley62 Posted July 12, 2014 Report Share Posted July 12, 2014 The strength range given for 1N is reasonable, but many hands with three diamonds might prefer to bid 1N rather than 2♦. Quote Link to comment Share on other sites More sharing options...
iandayre Posted July 13, 2014 Report Share Posted July 13, 2014 I agree with Steve. GIB's random playing of honor cards and high spots helps declarer frequently, and very rarely helps its defense. It should be deleted from the programming. Quote Link to comment Share on other sites More sharing options...
Antrax Posted July 13, 2014 Report Share Posted July 13, 2014 It doesn't work this way. There's no line of code that says "hey, occasionally unblock an honor for no reason" in computer speak. You see how if GIB believes the bids made by south, the Q play is not illogical. So, how can you fix something that's not broken? Playing lowest always helps declarer a lot more than randomly playing between equals. Quote Link to comment Share on other sites More sharing options...
karlson Posted July 13, 2014 Report Share Posted July 13, 2014 More or less what Antrax said, but it does seem like we'd be talking about GIB's brilliant unblock had declarer's hand been ♠Kxxx ♥KQx ♦Kx ♣Qxxx. Quote Link to comment Share on other sites More sharing options...
steve2005 Posted July 13, 2014 Report Share Posted July 13, 2014 My post may have been wrong about Gib playing random cards from the notes it says "when it's forced to play equivalent cards in a doubleton, it will randomize them because of restricted choice" From experience Gib seems to play random cards with something like T62. Can anyone verify that Gib plays random card in situations other than doubletons? Quote Link to comment Share on other sites More sharing options...
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