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Extraordinary card play by the robots


pilowsky

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In an astonishing and action-packed array of artistry, the androids avoid annoying me again.

The ending is a real joy to watch.

Don't try this without medical supervision.

 

It looked initially as if you were going for the double finesse in clubs, but when you got to dummy a second time you tried to drop the jack. Surely it is better odds to play for split honors based on the principle of restricted choice and play to the ten?

 

Once you used your spade jack at trick one, the only clean entry to dummy, the robot could theoretically have gone up with the diamond ace and cut you off from dummy and the diamond winners. You are then probably going down.

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It looked initially as if you were going for the double finesse in clubs, but when you got to dummy a second time you tried to drop the jack. Surely it is better odds to play for split honors based on the principle of restricted choice and play to the ten?

 

Once you used your spade jack at trick one, the only clean entry to dummy, the robot could theoretically have gone up with the diamond ace and cut you off from dummy and the diamond winners. You are then probably going down.

 

Yes but the robot thinks you have a 2N opener so thinks you have 2 diamonds

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Yes but the robot thinks you have a 2N opener so thinks you have 2 diamonds

 

Hence why I said theoretically. I'd be surprised if any robot or human would put their ace on thin air when it is right because declarer has an off-shape 2NT opening.

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  • 4 weeks later...

AND NOW. just when you think you've seen everything I avoid death in a defensive debacle that defies description.

 

Here it is.

East opens a sensible 1 I optimistically upgrade my meagre 14HCP 4333 to GKW and bid 1NT. West wisely doubles for penalties.

 

There's an angel on my shoulder, or as they say in East Germany ein Jahresenedenfigurenmitflugeln: religious symbolism being illegal before the fall of the Berlin wall.

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  • 3 weeks later...

Again they probably assumed you had your bid, rather than opening a 15-17 NT on 13

 

He had 14 HCP, but this all reminds me of one or two notorious pairs at my bridge club who are very difficult to defend against, because they bid so wildly, it is almost like playing against a pair that psyches every third bid (or playing against beginners who have only learned a fraction of the system and are guessing the rest). Occasionally it all goes in their favour and they come top.

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He had 14 HCP, but this all reminds me of one or two notorious pairs at my bridge club who are very difficult to defend against, because they bid so wildly, it is almost like playing against a pair that psyches every third bid (or playing against beginners who have only learned a fraction of the system and are guessing the rest). Occasionally it all goes in their favour and they come top.

 

AQ KJ K looks like 13 to me, but yes (as somebody in my much younger days who did psyche a lot with usually good results) it can cause massive problems for the defence.

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AQ KJ K looks like 13 to me, but yes (as somebody in my much younger days who did psyche a lot with usually good results) it can cause massive problems for the defence.

 

Sorry you are right, I was looking at the deal where he stated he upgraded his 14 count (AAKQJ) which was the previous link. If you are playing a strong NT I don't understand what is wrong with opening 1. NS might get to play in 2 or East might venture a TOX, and EW play in 2 or try for +200 by defending 2X. It will likely go down with the unfavourable lie of the cards.

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AND NOW. just when you think you've seen everything I avoid death in a defensive debacle that defies description.

 

Here it is.

East opens a sensible 1 I optimistically upgrade my meagre 14HCP 4333 to GKW and bid 1NT. West wisely doubles for penalties.

 

There's an angel on my shoulder, or as they say in East Germany ein Jahresenedenfigurenmitflugeln: religious symbolism being illegal before the fall of the Berlin wall.

When you lead the J, it was likely you had the A.

Later, as far as West was concerned, you were "known" to have Q hence West's plays did not make a difference.

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The key to understanding GIB is that it's play is extremely logical; it's just completely unable to draw any inferences from your play, assume you will be play double-dummy, it essentially can't signal, and it will rigidly stick to its assumptions about your hand from the bidding. Just think of GIB as kind of, uhm, robotic...

 

Once you realise that, you'll find more ways to exploit that. E.g. often when you can pick up a suit on a guess, GIB will just discards enough cards in the suit to remove the guess for you. Other times you can make GIB give you the guess because why shouldn't it.

 

Simple example - I had a trump suit of AK8xx in hand opposite QTx in dummy, with length more likely (but not certain) on my right but no dummy entry. Lead in dummy. What to do? Lead the T because RHO has no reason not to cover from J9xx - and indeed he did.

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Some people wonder why it's hard to win in the matchpoint daylongs. Here's what happened to me and 27 other suckers and losers for 57.58%.

And here's what someone who believes in the power of prayer, luck, hope, faith, sunlight and bleach did for 100%.

 

Kummer und schand. Kummer und schand.

Well if they assume declarer has an opening NT they know their partner is ruffing the second one with a 7 card suit in dummy and 3 in their hand, a human recognises that you don't have a 1N opener with the subsequent bidding.

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Those robots! - they know everything, I just lost 8 IMPs in practice when they let this claim go through to the keeper. I'm declaring shenanigans.

Normal mortals had to settle for -1 and 2.9.

 

Well they can trivially take it -2 with 2 ruffs, but in practice they shouldn't fly A.

 

Conceding the claim is bizarre, I can't see any hand consistent with the 3 bid where it's a valid claim from E's point of view.

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Well they can trivially take it -2 with 2 ruffs, but in practice they shouldn't fly A.

 

Conceding the claim is bizarre, I can't see any hand consistent with the 3 bid where it's a valid claim from E's point of view.

 

Only on the teaching table can you claim 13 tricks from any position, but those hands shouldn't get played in the 'main arena' - that's what looks so peculiar.

Looks like a computer glitch in this case.

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[hv=bbo=y&lin=pn%7CSouth%2CRobot%2CRobot%2CRobot%7Cst%7C%7Cmd%7C4SAK2HAKQJ7642DKCK%2CS9754HT8DA87CA843%2CS8H953DQJ65432C76%2CSQJT63HDT9CQJT952%7Csv%7CE%7Cah%7CBoard%206%7Cmb%7CP%7Cmb%7C1N%7Can%7Cnotrump%20opener.%20Could%20have%205M.%20--%202-5%20%21C%3B%202-5%20%21D%3B%202-5%20%21H%3B%202-5%20%21S%3B%2015-17%20HCP%3B%2018-%20total%20points%7Cmb%7CP%7Cmb%7C3C%21%7Can%7CMinor%20transfer%20--%206%2B%20%21D%7Cmb%7CP%7Cmb%7C4N%7Can%7CBlackwood%20%28D%29%20--%202-5%20%21C%3B%202-5%20%21D%3B%202-5%20%21H%3B%202-5%20%21S%3B%2017-%20HCP%3B%2018%20total%20points%7Cmb%7CP%7Cmb%7C5C%7Can%7CZero%20or%20three%20key%20cards%20--%206%2B%20%21D%7Cmb%7CP%7Cmb%7C6H%7Can%7C2-5%20%21C%3B%202-5%20%21D%3B%205-%20%21H%3B%202-5%20%21S%3B%2017-%20HCP%3B%20biddable%20%21H%3B%2018%20total%20points%7Cmb%7CP%7Cmb%7CP%7Cmb%7CP%7Cpc%7CDA%7Cpc%7CD2%7Cpc%7CDT%7Cpc%7CDK%7Cpc%7CD7%7Cpc%7CDQ%7Cpc%7CD9%7Cpc%7CCK%7Cpc%7CH3%7Cpc%7CC5%7Cpc%7CHA%7Cpc%7CH8%7Cpc%7CHK%7Cpc%7CHT%7Cpc%7CH5%7Cpc%7CS3%7Cpc%7CSA%7Cpc%7CS5%7Cpc%7CS8%7Cpc%7CS6%7Cpc%7CS2%7Cpc%7CS9%7Cpc%7CH9%7Cpc%7CSQ%7Cpc%7CC6%7Cpc%7CC9%7Cpc%7CH7%7Cpc%7CC4%7Cpc%7CHQ%7Cpc%7CC3%7Cpc%7CD3%7Cpc%7CC2%7Cmc%7C12%7C]300|300|

Pilowski 'And here's what someone who believes in the power of prayer, luck, hope, faith, sunlight and bleach did for 100%.I mean, I mean, I mean... Kummer und schand. Kummer und schand.

++++++++++++++++++++

 

Echoes of the notorious Nunes's 'Blackout'. In spite of masses of damning evidence (which included this deal) CAS and the FIGB exonerated Nunes and Fantoni.[/hv]

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Delicately diverging into DOPI for a moment, A divertissement from the practice table.

Is this really how DOPI works? GIB deploys 0314.

https://tinyurl.com/y48m3uc9

 

Needless to say, I plonked down my unsupported Ace.

Oddly, I could have led away from it and East still goes down! How about that...

 

Holy double trouble Batman - the Ace of Clubs strikes again. One board later. The robots must be drowsy or demented.

https://tinyurl.com/yyf6tmsj

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Delicately diverging into DOPI for a moment, A divertissement from the practice table.

Is this really how DOPI works? GIB deploys 0314.

https://tinyurl.com/y48m3uc9

 

Needless to say, I plonked down my unsupported Ace.

Oddly, I could have led away from it and East still goes down! How about that...

 

Holy double trouble Batman - the Ace of Clubs strikes again. One board later. The robots must be drowsy or demented.

https://tinyurl.com/yyf6tmsj

 

DOPI = x=0, P=1, next step =2 next =3 so X=0, P=1, 5=2, 5=3, unfortunately here it means you miss out on 5X-7 or 8.

 

You of course gave them a chance to make it with the heart switch, which is only a good idea if you have 9xxxx to give declarer a losing option.

 

On board 2 you've bid a much bigger hand than you have so I understand your partner raising expecting void, AKxx, x, AKxxxxxx or similar I don't understand what the EW bots are doing but clearly W thinks you've got 9 clubs and their partner is void with a lot of spades and it might be a double slam board or your save is cheap.

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