[oryctolagi]

Dealer West, E-W vulnerable.

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Assume Benji. Well, assume any system you like, but we were playing Benji. No bids from opponents.

[kenrexford]

If I can assume any system I want, I will use mine.

P-P-P-1♠ start.

Responder raises to 2♠.

Opener bids 3♣ naturally, usually slammish but possibly GT.

Responder bids 3NT, a super-accept of clubs.

Opener bids 4♣ to ask about details.

From this point forward, pick your grand...

[ggwhiz]

My methods would be 1♠ - 2♦ showing a constructive spade raise then,

3♣ - 3♦
3♥ - 4♣ and away we go, to at least but maybe only to 6 but....

4♦ - 6♣ from the hand that has promised 3 spades already should get us there.

[eagles123]

I think if youre playing benji

2c 2d 3s cue cue blah blah grand

[rmnka447]

Hand is no more than a 4 loser hand, so able to open strong 2 ♣.

2 ♣ - 2 ♦(waiting)
2 ♠ - 3 ♠

Showing 8+ and Hxx or xxxx in ♠

3 NT

Starts cueing denies 1st round ♣ control

..... 4 ♣ (1st round control)

4 ♥ (1st round ♥ control, no 1st round ♦ control)

..... 4 NT (waiting bid, not RKCB, still interested in slam)

6 ♣ (2nd round controls in ♣, ♦, and ♥, 3rd round ♣ control, no 3rd round ♦ control)

Note ♠ must be solid. With a potential ♠ loser and missing ♦ A, opener wouldn't go past 5 ♠.

..... 6 ♦ (1st round ♦ control)

6 ♥ (3rd round ♥ control - focusing attention on potential ♦ loser)

..... 7 ♠ ( Looks like I've got you covered.)

[mike777]

ok here is the much less complicated way
2c=2d(art gf)
2s=3s(something extra)
5h=6c( 2deny Qs...5h=exclusion)
7s

on this simple auction you miss 7c when it is better

[oryctolagi]

Thanks for the replies so far - most interesting. It goes to show, I've got a lot to learn about accurate bidding!

This hand cropped up on BBO, dupl IMPs.

At our table I opened 2♣ and partner responded 2NT which I took to mean game try (is 3♣ better?) - anyway we ended in 6♠ . But out of the sixteen tables played, only one bid the Grand - in spades - and somehow contrived to go down, I'm perplexed as to how: since there were no first-round ruffs for defence, the Grand was a laydown.

We were one of only two tables to reach six. I don't regard my bidding as my strong side, so I was fairly chuffed with that.

[wank]

3c from partner would show a better suit than this.

2nt is fine by him - it should show a balanced positive (game force).

[SteveMoe]

2/1
1♠-P-2♠-P
3♣-P-3♦-P
3♥-P-4♣-P
4♦-P-4♠-P
4N
2 Keys without
7♠

Once north fails to cue 4♥ south can accurately place the 2 key cards.

[lycier]

oryctolagi, on 2016-January-26, 13:57, said:

Dealer West, E-W vulnerable.

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Assume Benji. Well, assume any system you like, but we were playing Benji. No bids from opponents.

2/1

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[bigbenvic]

1♠ 2♠
3♣ (long suit trial) 3♦ Cue, shows clubs and 1st or 2nd round control of ♦'s but not a singleton or void
3♥* 4♣*
4♦* 4♠ Nothing to add denies heart k or singleton
5c* 5♦ Third round control, either HQx or Hx
7♠

* cues

[Fluffy]

I would start with 2♣ and miss the grand unless I am inspired enough to bid 5♥ over 3♠ raise.