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All comments by Benoit Lessard
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I agree with Chris but I also agree with Gonzalo there is a point where frequent tactics become too likely that its now a method. Saying 14-16 when in practice its 80% 14-16 and 20% less than 14 is unethical at best. Saying psyching in this spot is just bridge or that responder will bid game with 10-11 pts is dodging your disclosure obligation.

I think in the example the situation is easily solved just by adding “penalty vs weak and unv 3rd seat” but there is others cases.
Aug. 21, 2018
Benoit Lessard edited this comment Aug. 21, 2018
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Note that cue and bid as GF its one area of standard that is inefficient.

In std 3C direct isnt forcing while 2D followed by 3 is forcign but for me its should be the opposite.
Aug. 20, 2018
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A hand that is thinking about 6 with shortness. Splinter when no fit is agree is our own near solid suit.

1M–1NT–4m (1S-1NT-4H need to be discussed)
Aug. 20, 2018
Benoit Lessard edited this comment Aug. 20, 2018
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Its technically the guy who has given a false information (or failure to alert) that need to call the director.

“his own explanation was erroneous or incomplete”

so it should go 2
—alert
—what does 2 mean ?
—Hes showing a sound opening hand and asking me to precise my range.
Now opener should wake up and call the director.

When both players disagree on who is wrong we have a Greek comedy.
Aug. 19, 2018
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I guess players who are prone to forget the 3D bergen raise are unlikely to understand why you should rarely do a mixed/preemptive raise with 4333 shapes.

Hopefully they will learn than more lesson after this board.
Aug. 19, 2018
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Also since many players don't understand UI well enough you usually get at least an ave+ in the end.
Aug. 19, 2018
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They changed the laws once again, anyway this is one area where the laws used to make little to no sense at all when your not behind screens.

Once a player will make a bid that will automatically wake up his partner and show that the partnership is in a misunderstanding calling the director should be automatic, the director need to explain well to the players that they must bid ignoring all UI, otherwise you may end up in a situation where there is 3-4 bids in a row that are using UI. Its almost impossible for the average director to make a fair ruling in these positions)

P—-1S
2C—2D (2 meant as drury no alert, 2D should be alerted no alert etc…)

AFAIK the spirit of the law is that defender are entitled to both the system information and the opportunity to see their opponents in a bidding mess, while making sure they are not trying clever ways to dodge the fuckup.
Aug. 19, 2018
Benoit Lessard edited this comment Aug. 19, 2018
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Not only that but if 3NT is “obviously” a cuebid than south need to alert 3Nt (after 2008 you need to tell your agreement even if it wake up partner and you know that partner doesnt have his bid) and North realizing his mistake need to call the director immediatly.

Law 20 F4
If a player subsequently realizes that his own explanation was erroneous or incomplete he must call the Director immediately. The Director applies Law 21B or Law 40B4.
Aug. 18, 2018
Benoit Lessard edited this comment Aug. 18, 2018
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4

If partner had good he jump in by bidding what he think we can make by overbidding half a trick. No preempt in 4th seat VUL when he can pass 1D. However with not so great spades he will start with a X so the fact that we have 4 is worth something. The doubleton is worthless but the doubleton is gold.
Aug. 18, 2018
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4NT-5m-5H route.
Aug. 18, 2018
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Since few players will make a mixed raise with 3433 south hand is as notrump-ish as it can be so pass is clearly LA.

3NT natural facing a mixed raise should be (2533) close to 2Nt opening with poor trumps. AK–Txxxx-AKx-AJT
Aug. 18, 2018
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passing 1 look totally normal. Normally Vs weaker player its very tempting to bid 1 to prevent them from finding their game & because we have 6 it might be tough for opps to make a takeout X.

But here but of opps already passed so opener is quite likely to be maximum and have real .
Aug. 18, 2018
Benoit Lessard edited this comment Aug. 18, 2018
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Without doing all the a priori holding I think you can see it like this.

There is 4 Hm (Q9/Q8/J9/J8)
there is 2 Hmm (Q98/J98)

With Hmm you will falsecard more than 50% since if you do declarer will likely finesse.

So that when 98/89 show up its more likely its from 98 than from H98. I understand that is not the perfect way to handle the problem but its a way to explain it without using all the “relevant” holdings.
Aug. 17, 2018
Benoit Lessard edited this comment Aug. 17, 2018
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ok I miss that Hm is indeed important. So you cannot only count Hmm vs mm.

Kit post is indeed correct.
Aug. 17, 2018
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Agree, some players are clearly more likely to play Q from Q98. Falsecard are addictive.
Aug. 17, 2018
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B) An opponent with a mixed strategy (falsecard half the time),
the drop loses 2 to 1.

No, the drop still make a small profit.

mm vs =1.6
Hmm/2 =1.7

if hes holding mm hes forced to play mm
but if hes holding Hmm its mHm or mmH so restrictive choice at T2 so Hmm is divided by 2 assuming falsecard 50%

I strongly agree that strong juniors will falsecard more than 50%
Aug. 17, 2018
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m= 8 or 9
H= Q or J
mm vs Hmm where on the 2nd round if lho is holding Hmm hes got a restricted choice.

2-m-T-H
K-x-x-? in this spot if lho got Hm left he can play either.
So in the end its

mm vs Hmm/2 so 3-3 is slightly better. However if lho is falsecardign too much (play 9Q8/8J9 too often) than finessing is now better. I think junior at high level are highly likely to falsecard too much.

I think if lho play H from Hm or from Hmm at t1 is irrelevant but im not sure. These are much harder falsecard to find.
Aug. 17, 2018
Benoit Lessard edited this comment Aug. 17, 2018
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Agree 100%
Aug. 16, 2018
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Jeff your point look symmetrical. Your method give up on playing 4 so you should compared it to a method that do the same.

With a 5-1-2-5 its normal to bid 4D ask for the major if overcaller bid 4H you retreat to 5. So in both of these method you dont miss a 5-5 fit.
Aug. 16, 2018
Benoit Lessard edited this comment Aug. 16, 2018
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Can we know what was the result on this interesting board ?
Aug. 16, 2018
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