3 "simple" bots.
http://tinyurl.com/782ep5h
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Must be bug?
#1
Posted 2012-June-15, 02:39
Bridge Personality: 44 44 43 34
Never tell the same lie twice. - Elim Garek on the real moral of "The boy who cried wolf"
Never tell the same lie twice. - Elim Garek on the real moral of "The boy who cried wolf"
#2
Posted 2012-June-15, 03:04
Just to make it clear you're talking about the discard of ♠10?
... and I can prove it with my usual, flawless logic.
George Carlin
George Carlin
#3
Posted 2012-June-15, 04:00
Yes, sorry.
Bridge Personality: 44 44 43 34
Never tell the same lie twice. - Elim Garek on the real moral of "The boy who cried wolf"
Never tell the same lie twice. - Elim Garek on the real moral of "The boy who cried wolf"
#4
Posted 2012-June-15, 04:04
Trick 5 is also absurd FWIW.
... and I can prove it with my usual, flawless logic.
George Carlin
George Carlin
#5
Posted 2012-June-15, 05:39
gwnn, on 2012-June-15, 04:04, said:
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
#6
Posted 2012-June-15, 06:50
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.
I often see the bot "pitch" a trick when it makes no difference.
#7
Posted 2012-June-15, 13:04
ahydra, on 2012-June-15, 05:39, said:
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

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...
#8
Posted 2012-June-15, 15:25
rwbarton, on 2012-June-15, 13:04, said:
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...
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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