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All comments by Kyle Rockoff
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Yep good catch! West didn't find that good play though– J was finally exited after some hesitation, and that was that.
2 hours ago
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Whatever red suit he exits, you can win in hand (K, Q/10 depending on what he plays), pull his last trump, and get to the board with the A, and pitch your remaining losers.
2 hours ago
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Yes good catch, 7 should be Q, will fix!
9 hours ago
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That being said– it feels unethical that East did not alert his X when he thought it was artificial. Unfortunately, by not alerting, he actually did his side a favor by not accidentally giving misinformation. I would take note of it in case the behavior continues in a case where it would legitimately be misinformation, but unfortunately no grounds for discipline here. Have my sympathy here Ping (and certainly you did get fixed on the board), but in ACBL land there should be no adjustment.
March 15
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East was never obligated to alert his bid. If the bidding had started with an opening strong NT as East thought, then yes, he would have been obligated, and not alerting an agreed artificial call would have been misinformation.

It doesn't matter what East thinks his bid means at all in this position– as long as presumably the agreement the partnership has for a double after (1D)-(1NT)-X is unalertable. And it sounds like their agreement for a double in that position is takeout, which is not alertable.
March 15
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East forgot their agreement and mis-bid with X. After partner responded 2, he recalled the true meaning of his double, and opted to bid 3 anyways. Dbl had no unusual meaning by agreement, and so East had no obligation to alert his call. There is no damage.

If East HAD alerted X, it would have been misinformation according to their agreements, even though the alert of X as “single-suited” would have accurately described the bid East meant to make. Now NS have some protection, depending on how the rest of the auction proceeded.

The laws only protect against misinformation, not a incorrect bid. This time they got lucky and landed in the right spot, but NS was given all the correct information with respect to EW's agreements (at least in terms of what is required to be alerted– I assume NS did not ask about what any of EW bids mean during the hand until the play had commenced and suspicion aroused).
March 15
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Ultimate puzzle game
March 9
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I held this hand and despite the 8 card suit passed it out. Felt like an insane problem, decided to post it here for a sanity check. What's even more hilarious is what happened with our teammates (this was a weird MP/BAM event so we also got a BAM result as well as a MP)– our teammates defended the listed par contract of 4NTx at the other table!
Feb. 8
Kyle Rockoff edited this comment Feb. 8
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It did believe it or not :-). Hand 10: https://live.acbl.org/handrecords/1902102/02061400
Feb. 8
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So it looks like East is either 4=4=2=3 or 3=4=2=4? I find it very unlikely that RHO would pitch their last spade, so I'm guessing 3424 (with stiff spade, stiff trump, doubleton club in the end position). Part that has me a bit confused then– is LHO throwing the Queen under with Qx offside? We only greedily play the if we think RHO pitched of their spades. If they have (void, stiff trump, 1096 s) in the end position yes we feel stupid for dropping the overtrick. Great play by west to play Q from Qx if that's their holding (seeing that declarer is going to bang down AK in the end position anyway after tapping him in s).
Feb. 4
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Yeah it's a good agreement to know what 3 is in this sequence. I can think of at least one partner that would bid 3 with 2=5=1=5 as a punt for 3NT with a min, that way 4 shows extras. Not disagreeing with you Nathan (if your partner is a pattern bidder, then having 3 show 3 is a fine agreement), but important to know your partner well for this kind of sequence.
Jan. 31
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If partner's 3-5-1-4, I'm not confident enough the s are running. Possible 7 is laydown in the 4-3 with one ruff in the short hand, but I don't have a way to inquire if partner has the J. Also possible partner could be 2-5-1-5 and I'm dreaming of a grand in the 4-2 :-).
Jan. 31
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Did partner wink to tell us he has the K somewhere in this auction? I missed that bid.
Jan. 2
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Partner should double with your A, so top it is.
Dec. 21, 2018
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And this is the one problem I was expecting would reveal a clear consensus lol.
Dec. 17, 2018
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My instincts are–

No J: 3.
Trade QJ for K and lose J: 4
Losing the J but gaining an extra 10 somewhere (except s): I could go either way.
Dec. 3, 2018
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I'll be one of the 3,000 students at the game tomorrow!
Nov. 30, 2018
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Congrats to all the winners! Thumbs up to Bobby for continuing his trend of sporting a Northwestern sweater (appears to be one over his shoulder) in his victory photos! Go Cats!

Also Congrats to Gino! Those at Chicago Duplicate Bridge where he regularly teaches will be proud!
Nov. 30, 2018
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Looks like Grad students and etc will have to join the Harvard College Association for the Promotion of Interplanetary Expansion if they want to play bridge :).
Nov. 6, 2018
Kyle Rockoff edited this comment Nov. 6, 2018
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Dave, what are you thoughts then about switching to a low diamond here? Does it tend to be a doubleton, if low is meant to encourage?
Nov. 1, 2018
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