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All comments by Kevin Rosenberg
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Why shouldn't my opponents think I hold 10-12 if that is my systemic agreement, and I've just misbid? That seems fairly normal, no? They're not entitled to know that I've misbid.
Feb. 11, 2019
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no, if you know that your actual agreement is 10-12 (even through UI), then by extension you know your actual agreement for 2H is majors. You should tell the opponents your actual agreement, even if that UI can't influence your future actions.

Now if you're not sure what your actual agreement is, it creates a really awkward picture, since now it might wake your partner up to the fact that something weird is going on. I basically agree with Kit in this case. More specifically, I think you just tell the opponents whatever you think is most likely to be your actual agreement (using whatever UI you want to determine this)

In general, there are two boxes of thinking here, which are totally separate

1. Informing the Opponents about your (correct) agreements
2. Your own follow-up actions

Afaik, there is nothing in the rules against using UI to help achieve #1, which is definitely something that we do we want achieved. Bridge is a game of actions, and the only place UI is harmful is if it affects #2.
Feb. 11, 2019
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I agree with Ben, and possibly others, above. At imps, 4d seems definitely best, as your hand is quite good for slam, and you expect to make 5d. At mps, 3n is probably correct, but close.
Feb. 10, 2019
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You should accurately EXPLAIN your agreement, even if you only know your agreement because of UI. However, you cannot act upon this UI.
Feb. 10, 2019
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if the opponents pass throughout, you could wind up declaring in a suit where they have length. I guess we can never bid anything at all if we don't know the opponent's longest suit.
Feb. 10, 2019
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I Think I believe in 1d in theory but I haven't done it enough in practice to say I'd pull it out in a big event. I think I'll start doing it more though.
Feb. 8, 2019
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If I were coaching novices I'd say their bids are totally normal and move on. If I were coaching more advanced players I'd say to e that this hand is a good example of why one should be wary of trapping with bad spots, but that being said, the bids are STILL just normal here with a 6th trump. A lot of resulting going on here in the comments
Feb. 6, 2019
Kevin Rosenberg edited this comment Feb. 6, 2019
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I think somewhat close, but passing looks right. Only other option is to make a single try with 5c imo. I expect most people will bid 4s on any bal 18 to 19, most of which will make slam touch and go. Hands like aqxx ax akjxx xx are about as giod as i can expect, and there slam is fine, but not incredible.

Pegs failure to include pass as an option sways me to believe it was not the winning option on this hand, else she is playing a very deep game
Feb. 4, 2019
Kevin Rosenberg edited this comment Feb. 4, 2019
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I'd have bid 4H over 2n, and I don't think doubling here is particularly good judgement with a fit in both red suits and poor trump spots

Note that even if you choose not to bid 4H over 2nt, surely you MUST at least bid 3c, which I think can logically only be a game try in hearts.
Feb. 2, 2019
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I sympathize a lot with E's bid. I know I don't like W's bid. Still, nobody was way out of line.
Jan. 30, 2019
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A key point that's being missed is with a double fit, South is really expected to bid 3 over 3 with most hands that have 2 spades and 4 diamonds, surely including any hand with Ax spade.

Further, I'd think any hand with the Ax and 5 diamonds is at least very close to bidding a game, though not as clear as on this hand.

South, having passed 2 diamonds, has a pretty low top end of their range. Indeed, I think as do many, that south really ought to have bid 2S the first time round. But if this is the case, then surely South has about the best hand they could. I'm arguing that their bid of 3S should be made on much worse hands, like changing the AS to the JS and adding the KC. If one accepts this, then it must be the case that either South should bid 4S with this hand, or that they should never bid 4S at all (I think the former)

Further, just a few additional points. You say N is looking at 9 tricks if S has 0 HCP. If S has xx xxx xxxx xxxx, N has 8 tricks with two 3-2 breaks. If they have the 5th diamond, which there's no reason they really should (and in fact I think it's an important extra card), then N has 9 tricks with a 2-2 and 3-2 break. If N really was a favorite to take 9 tricks opp. a 0 HCP 2344 hand (or even 2353), then of course I'd agree they should bid game, but this is not the case.

Second, this hand you gave of QJ109xx, x, AKJx, Ax in fact produces a cold game, and indeed it's the sort of hand that I'm not convinced is definitely supposed to bid game over 3S, though they might. If you, for example, take away the AC, I still think it's ok to bid 2S because of the purity and suit quality, and while 4S probably will not make, they probably can make 4H.
Jan. 30, 2019
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South went low twice so I blame South, in equal parts for pass and 3s. North could consider sacrificing, but they've mostly bid their hand, and their pass could easily be right.

My philosophy is of you've already gone low by passing 2d, and then partners next bid significantly improves your hand, then we should be going high next. We obviously feel comfortable bidding 3s, which is a sign we should be bidding 4. Partners actual hand is not surprising, and produces a great game. Lastly, our own range for 3s probably includes hand like 10x xxx qjxx qjxx, and our hand is much better than that.
Jan. 30, 2019
Kevin Rosenberg edited this comment Jan. 30, 2019
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As long as east doesn't overtake th e js, the defense can still prevail
Jan. 29, 2019
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Did declarer put up the QC from the dummy when N shifted? If not, then didn't the J force the K, in which case partner is surely marked with the AC on the bidding, no?
Jan. 2, 2019
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I dont think diamonds are at all likely to be breaking. Certainly, it would be bizarre for S to have Qx or Qxx
Nov. 15, 2018
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was “brace yourself” an orthodontist pun or an accident? If it was on purpose, you really have no shame.
Nov. 14, 2018
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Also West could be thrown in on the 4th round of diamonds after declarer takes one club hook on either hand
Nov. 14, 2018
ATB
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k I guess I agree if those are your intentions then you won't miss clubs. I guess the bigger problem from double might come when they jam the bidding more, whereas as seen here, the bigger problem with 3m usually comes when they don't jam the bidding more.
Nov. 5, 2018
ATB
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what are you intending to bid over lebensohl?

also over a positive 3H, 4C is better I think, but I'd have thought 3S might be in the game as well.
Nov. 5, 2018
ATB
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If West had j10xx kxxx xx k10x, what suit would you want to play in? Should east still double? I think this is a case where South took a very winning action, and neither east not West was unreasonable. Add the jh to the West hand I gave above and you may fail in game while you make a club slam
Nov. 5, 2018
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