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All comments by David Levin
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If I were a candidate for a position like this one, I'd want at least 1.5 hours to interview the prospective employer.
12 hours ago
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I saw the Eckerts frequently at tournaments and probably teamed with them at least once. I am sorry to hear that Carolyn is no longer with us.
22 hours ago
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Do you think that a person could exist who is capable of satisfying both the Board and the rest of the bridge world?
22 hours ago
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The original link was apparently intended for a different purpose. I had noticed that the domain appeared twice in the link, which sometimes allows one to create a direct link by excising all of the characters between the end of the first appearance of the domain and the end of the second appearance of the domain. Anyway, it worked. 8^)
Nov. 18
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I agree and would suggest that the convention card should (in theory at least) take precedence over the system notes, because (1) the former is more readily available, and (2) giving the latter precedence would create a disincentive to make them available (owing to the burden on a pair to virtually guarantee that the notes are fully up to date).
Nov. 18
David Levin edited this comment Nov. 18
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If a pair has two properly and consistently filled-out convention cards, then an opponent could both consult one of those convention cards and get an explanation from hens* screenmate. This would sometimes enable the opponent to discern when said screenmate has forgotten an agreement.

When a pair makes available fewer than two such convention cards and this could have adversely affected the opponents, I think that the laws or regulations or whatever should provide redress based on what might have occurred had two such convention cards been provided.

* See my profile.
Nov. 18
David Levin edited this comment Nov. 18
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What did N/S's convention card(s) say about this auction?
Nov. 18
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I really like the K play. I was wondering, when you are declaring a deal in which the layout of a key suit is not yet resolved (as with spades on this deal), at what point in your analysis do you become aware that there might/would be a squeeze if a given defender holds the length in that key suit and (say) the master of another suit? Is it at the projected five- or six-card ending, or is it earlier?
Nov. 18
David Levin edited this comment Nov. 18
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[pedantry]

Actually, it says "IMPs".

[/pedantry]
Nov. 17
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In the abstract, South seems to have a lot of defense. But the opening lead could easily blow a trick or a tempo.
Nov. 16
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I haven't used voice-to-text software, but several acquaintances have installed a Dragon product and liked it.
Nov. 16
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The line given after your end position seems garbled. If a diamond to the queen is followed by leading the T, then South's ruff must be with the 10. But the defense prevails if West discards on this trick. South leads the J (covered by West), and West effectively remains with Jx over Dummy's stiff trump.

My earlier “Added, the Sequel” edit, which might have been cross-posted with your reply to that comment, gives a line that seems to work when West holds the Q and is either 3=2=4=4 or 4=2=4=3.
Nov. 16
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It's not clear to me at what point you ruffed a heart. Could you clarify your line of play.
Nov. 15
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I would have begun with the A, three top spades, and a low diamond toward the ace. So now, lead the T (to unblock) and duck in Dummy. If West plays the J (which I let hold) and assuming East shows out, then

* If West shifts to a club, I win in the closed hand and cash two more clubs. If West ruffs either one, Dummy overruffs, draws the last trump, and cashes two more spades for club pitches.
* If West instead returns a heart, I ruff, take the marked trump finesse, draw the last trump, cash spades, and cash two clubs.
* If West instead returns a spade, I win in Dummy, ruff a heart, take the diamond finesse, draw the last trump, cash the last spade, and cash two clubs.

Added: I just realized that I failed to address West's exiting with a trump, LOL! In that case, I believe I need the club finesse, after which I cash two clubs.

Added, the Sequel: I just realized that I could play West for the queen of clubs by (after winning the A) cashing two clubs, leading the J (assuming it's covered and Dummy ruffs), ruffing a heart, and leading the T. Now,

* If West ruffs with the jack, Dummy discards a spade and I easily take the rest.
* If West ruffs with the nine, I overruff in Dummy, cash a spade, and knock out the J for my 12th trick.
* If West instead ruffs low, I overruff in Dummy, cash the Q, and cash a spade.
Nov. 15
David Levin edited this comment Nov. 15
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John, do you find the performance of the BoG and BoD comparable? Or did you mean to write “BoD” in the comment immediately above this one?
Nov. 15
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The only reason I can think of for habitually leading the queen from AKQ is that it will be ambiguous only when the ace, king, and jack of the suit are hidden from Partner. And this ambiguity can often be resolved by Partner through other inferences.
Nov. 15
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“Might be, but I'd bet a whole bunch of money that its not a salient consideration…”

Are you giving odds? 8^)
Nov. 14
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I agree with not constraining AI. This might be accomplished by two efforts in parallel: an AI-only bridge robot and a directed-learning bridge robot. The production version could be formed from the AI-only bridge robot supplemented by the best of the directed-learning bridge robot. Getting these to work together nicely would take a lot of planning but perhaps yield a highly satisfying result.
Nov. 14
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“There's no reason to think bridge is any different.”

Bridge has a resource (the dummy) that is visible to all players but used only by one (its partner). The other two players lack such a resource.

If no other game has an analogous resource, then this might well be a significant difference between bridge and other games.
Nov. 14
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