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All comments by Benoit Lessard
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Agree with Steve, I would play high-high to show A/K but would do highlow with Q and no club card.
Feb. 4
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I like to play that 2D followed by 2S show 15-17 could be 6?3? if the are not good enough for a 3S rebid. But I doubt that what opener play.
Jan. 30
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many open 1Nt with those hand but for me 2D could be 6?3?, but after 4H opener look to have a singleton . With 6133 he would rebid 2 rather than 2 so its almost a sure thing that opener got 10 cards in the pointed suits.
Jan. 30
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I think south should make a false preference with 2 sure cover but I guess passing 2D isnt a bad mistake, when he doesnt make the false pref hes going to have crappy hand or 5 and not good enough to raise to 3D, so either way north should think 4H is very likely to make. Add an ace to

xx
xxx
Jxxxx
xxx

and you want to be in 4.
Jan. 30
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Pass double inversion allow you to have 2 ways to bid 3nt

pass= penalty or half a stop or not usual bid.
Opener is expected to X unless hes got a hand that would pull a pen double.

X= dsip, allow opener to convert, bid 3Nt with a stop or pull.

bid directly real suit (normal natural bid, no interest in 3Sx)

pass and bid a suit = cuebid or unusual bid.

For ex im my reg partnership we play minorwood so without intervention 4 would be rkc, so 4 directly = rkc delayed 4 not rkc.
Jan. 28
Benoit Lessard edited this comment Jan. 28
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“The computational horizon tends to be much closer with hidden information”

Go is extremely complex so the computationnal horizon come very quickly.

IMO hidden information is mostly in favor of the computer not the otherway around, for example backgammon is the toughest to compute depth brute force because of dice on everyturn yet im quasi-sure the skill difference (per move played, not per game) between AI vs human is higher in backagammon than in GO or chess. I think its going to be worse for bridge.

Alpha zero the lastest version of alpha go (that can also do chess) is said to calculate very few moves ply-depth compared to Stockfish a very popular open source chess AI but the estimation is a lot better and different in nature.

The comments from the GO community for the match between Lee Sedol and Alpha-go was that in tactical situation the human pro did very well, its just that the computer played great positionnal moves that are counter intuitive for humans and a sharper different style of endgame thsi imo is a sign of a great edge when it come to evaluation rather than the brute force compute.

“Except you never need to used a mixed strategy in a game with no hidden information, but it is (almost certainly) a requirement in a game with hidden information.” Another edge for the computer.
Jan. 25
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“This differs from their previous wins at the game Go, as it is a game with lots of hidden information.”

Its counter intuitive but there is no difference between a game that is far beyond the computationnal horizon and a hidden information game.

A clockwork universe where you can get all the data will still need to be weakly solved with stastical heuristic because you are so far beyond the computationnal horizon. Hidden information and noncomputationnal information are just equivalent.
Jan. 25
Benoit Lessard edited this comment Jan. 25
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4- I prefer 5H direct to be slammish and a delayed 5H to be “competitive” mostly because its how we play it when its scrambling.

5- slightly prefer pass but its very close.

Agree with the rest.
Jan. 9
Benoit Lessard edited this comment Jan. 9
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I dont like east 3H and dont like west 4.

Depending on methods its possible than when west doesnt raise at r1 slam is unlikely so maybe east should mostly think best game not slam. If it goes 1D-2D (inv minors where responder deny a 4M) because you dont have a 4-4M fit its normal to bid the cheapest stopper rather than a 4M suit, so here its somewhat similar with two stoppers and a non-slammish hand you should reverse in 2 rather than in 2. Here reversing in 2 is obviously correct but when its followed by a 3Nt it should tend to deny 2 stoppers. I know reversing in stoppers rather than lenght make it harder to find 4M in 4-3 fit but its better for 3NT vs 5m COG wich are more likely.

So for me bidding 3Nt over 3 somewhat deny serious slam interest & show a stop but should also deny super concentration in . Over 3Nt west will know what to do.. with 2 stop 3NT look normal, with xx in you should reach 5. East 3 bid should be more shape like a 4261 or half a stop.
Jan. 5
Benoit Lessard edited this comment Jan. 5
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You need to alert because you can open 1D and rebid 1Nt with 4423 or even 4324.
Dec. 29, 2018
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Pass lead trump.

I don't like double but there is another bid I dislike is to make a responsive double with shortness at equal or favorable vul. If you make a dsip/responsible double hoping overcaller got a stopper or 4 you must be ready to play 3Sx when hes got 3334 or offshape X no stop.
Dec. 27, 2018
Benoit Lessard edited this comment Dec. 27, 2018
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I also prefer 3 but its close enough IMO.
Dec. 14, 2018
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3 but if responder got an opening hand he should X not bid 2.
Dec. 14, 2018
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Being able to play 4Hx when your simply 55 plus being able to avoid 4Hx when your have extra shape is simply too important.
Dec. 13, 2018
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I would have bid 2 on r2 but now I bid 3
Dec. 12, 2018
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“The difference is an action that is right 80+% of the time will always be taken by good players and so there may not be any logical alternatives as per the laws. That does not mean you have not benefited from the UI.”

Its not a precise way to see this IMO. Lets say that experts who are facing the hand with no BIT, 97% of them X, they all know that X isnt totally safe and could backfire. Now the same hand with a BIT and now they know that doubling is now totally safe, its only the 3% that benefit from the hesitation not the 97%. If the action is clear cut enough to the point that pass is not considered a logical alternative very few benefit, if its not clear enough all the players are “handcuffed” or will face a potential rollback.

The law is fine in theory, but the laws in general are too complicated so it take too much experience to be a good director so the odds we hit a weakish director is too high.

IMO the post is a textbook case that should be in director exams.

Director need to understand that if a player bid 4 its quite likely that for this level of player pass is LA. If the player tell you X is evident you should ask did you consider bidding 4S ? and if he tell me “no ive got extra values not extra shape” than you can be pretty sure that few players of this caliber will consider passing. I often think director are too quick into going into polling without assessing the level of the players based on what happened at the table.
Dec. 11, 2018
Benoit Lessard edited this comment Dec. 11, 2018
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doesnt matter, if west can bid 4 isntead of doubling he could find pass instead of doubling.
Dec. 11, 2018
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West has 6ctrl. Its ok to play 1m-3Nt as as strong NT but the hand should have a fair amount of soft values not prime values. Jumping to 3NT with Axx in a side suit facing a opening that is not precise is IMO always wrong.

If opener got the right/wrong singleton you could be missing a slam or going to down in 5m or just be in the wrong game.


Kxxx
x
QJxxxx
Ax

You partner open a strogn NT and you have this, you do stayman and opener bid 2 or 2 do you jump to 3Nt ?

Of course not because opener could have Axx(x) in and 6 is a much better contract than 3Nt. However if hes got KQJ than 5 or even 4 might be in danger.


So if you think about responder jump to 3Nt you need to have a hand that would be happy to play 3Nt even if opener got a distributionnal hand. Low in control high in soft values (at least when it come to the side suits).
Dec. 6, 2018
Benoit Lessard edited this comment Dec. 6, 2018
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“We must believe in free will — we have no choice.” I.B Singer
Dec. 5, 2018
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Thanks, did he say this because he was annoyed at the long hesitation or just angry at himself ?

What did the committed ruled about the comment is it AI or is the UI the more more important factor since it was before the comment ?

Its hard to make a sensible ruling if you dont settle the comment thing first.
Dec. 3, 2018
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