thorvald Posted September 1, 2022 Report Share Posted September 1, 2022 As robots are free today I have played some boards against three bots, and this was interesting [hv=url=https://www.bridgebase.com/tools/handviewer.html?lin=st||pn|Thorvald,~~M17997ox,~~M7377cpr,~~M9686xub|md|1SQJT7HT92D8C76432,S9542H874D764CQJT,SAHKQ63DKQ953CA85,SK863HAJ5DAJT2CK9|sv|b|rh||ah|Board%207|mb|P|mb|P|mb|1D|an|Minor%20suit%20opening%20--%203+%20!D;%2011-21%20HCP;%2012-22%20total%20points%20|mb|1N|an|One%20notrump%20overcall%20--%202-5%20!C;%202-5%20!D;%202-5%20!H;%202-5%20!S;%2015+%20HCP;%2018-%20total%20points;%20stop%20in%20!D%20|mb|P|mb|P|mb|2H|an|5+%20!D;%204+%20!H;%2021-%20HCP;%2016-22%20total%20points%20|mb|P|mb|P|mb|P|pc|S3|pc|S7|pc|S9|pc|SA|pc|DQ|pc|DA|pc|D8|pc|D7|pc|SK|pc|ST|pc|S2|pc|H3|pc|DK|pc|D2|pc|C2|pc|D6|pc|D3|pc|DT|pc|H2|pc|D4|pc|SQ|pc|S4|pc|C5|pc|S8|pc|SJ|pc|S5|pc|C8|pc|S6|pc|C3|pc|CT|pc|CA|pc|C9|pc|D5|pc|DJ|pc|H9|pc|H7|pc|C4|pc|CJ|pc|H6|pc|CK|pc|D9|pc|H5|pc|HT|pc|H8|pc|C6|pc|CQ|pc|HQ|pc|HA|pc|HJ|pc|C7|pc|H4|pc|HK|]399|300[/hv] North has a bidding problem and I would probably have doubled 1N, but 2♥ is also OK. On general rules a trump lead is suggested and is actually the killing lead, but the bot decided to lead a ♠, and tried to cash ♠K at trick 3. Now follow the play to trick 9, where I ruffed a ♦ and West underruffed with ♥7 - in my book denying a higher ♥. Now follow to trick 11, where the bot in the simulation finds that partner still can have ♥Q and ruffs with ♥5 - 11 tricks 1 Quote Link to comment Share on other sites More sharing options...
johnu Posted September 1, 2022 Report Share Posted September 1, 2022 Good defense by East-West GIBs to hold the contract to 11 tricks. Lesser bots might have allowed 12 tricks. Quote Link to comment Share on other sites More sharing options...
thorvald Posted September 1, 2022 Author Report Share Posted September 1, 2022 Good defense by East-West GIBs to hold the contract to 11 tricks. Lesser bots might have allowed 12 tricks. Interesting that one bot found the ♥5 lead https://www.bridgeba...ername=thorvald Quote Link to comment Share on other sites More sharing options...
thepossum Posted September 2, 2022 Report Share Posted September 2, 2022 You did pique my interest enough to actually check this claimRemarkable that finding the right lead depends on whether North is human or a bot :)Did the bidding mean something different perhaps :) But I ran a DD sim using the basic parameters on the bidding. It too used a spade lead I couldn't run a sim on the human north hands :) Quote Link to comment Share on other sites More sharing options...
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