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Must be bug?


BunnyGo

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Trick 5 is also absurd FWIW.

 

The club discard? Must be a bug :)

 

Anyway, this is another case of "don't do things that can lose if there's a 100% alternative". Well, almost - the S4 is not an equal to the 8, but the point is the 10 is needed on some layouts (e.g. the actual one) whereas the 4 is never needed, not least because dummy has the five!

 

ahydra

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Bizarre hand. Declarer is cold for 11 tricks after the lead, and then declarer pitches one away. The bot "pitches" a spade trick and gets a diamond trick in return so the same 10 tricks are taken that declarer would always take after declarer pitched a trick.

 

I often see the bot "pitch" a trick when it makes no difference.

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The club discard? Must be a bug :)

 

Anyway, this is another case of "don't do things that can lose if there's a 100% alternative". Well, almost - the S4 is not an equal to the 8, but the point is the 10 is needed on some layouts (e.g. the actual one) whereas the 4 is never needed, not least because dummy has the five!

 

ahydra

 

Dummy is South. With 5 tricks remaining West can see that South can take 3 and West can take 2 whether West comes down to Q10 or Q J. So I wouldn't consider the 10 discard a bug. (It would be nice if GIB didn't make "inhuman" plays like discarding the 10, but that's pretty low on my wishlist for GIB improvements!)

 

The club discard on trick 5 looks like it might be a safety play against West having J964, perhaps? Of course it would have been better to test clubs earlier but once the Q is cashed the South hand is sort of squeezed into giving up a spade stopper or losing communication with the North hand—while the sixth club can never be the 9th trick. Hopefully the scoring was IMPs...

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Dummy is South. With 5 tricks remaining West can see that South can take 3 and West can take 2 whether West comes down to Q10 or Q J. So I wouldn't consider the 10 discard a bug. (It would be nice if GIB didn't make "inhuman" plays like discarding the 10, but that's pretty low on my wishlist for GIB improvements!)

 

The club discard on trick 5 looks like it might be a safety play against West having J964, perhaps? Of course it would have been better to test clubs earlier but once the Q is cashed the South hand is sort of squeezed into giving up a spade stopper or losing communication with the North hand—while the sixth club can never be the 9th trick. Hopefully the scoring was IMPs...

Why not a heart discard?

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