[nige1]

eagles123, on 2015-July-23, 14:23, said:

All vul at imps
2c is 3+ unless specifically 4522
first of all, do you agree with 1N?
second, what now?

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Over 1♥, I rank

• 1N. NAT. "semi-forcing".
• Pass. NAT. Might work well.

Over 2♣, I rank

• Pass. NAT. Your 1N gamble played off. Take your profit. Quit while you're ahead.
• 3♣. NAT. In case partner has a ♣ suit.
• 2♦. NAT. If partner is 4504, he may not be impressed.

[WesleyC]

Playing the method's as described you don't know if partner has real clubs, so you haven't got much choice except to bid a very ugly 3C.

Flaws like this in the forcing 1NT structure made me switch to a wide ranging but not 100% forcing 1NT response (passable only on 11-13 Bal). In order to make this work, you need to open 1NT on all semi-balanced 14-16 HCP hands with a 5c major and have an alternative way to deal with invitational single suiters and 3 card limit raises, but I really think that it is a significant improvement. This is especially true if you play matchpoints where giving up the chance to play 1NT is a huge downside.

[Lovera]

When we bid 1NT is because : we have max 11 points and no suit upper 1♥ and cannot bid another suit at second level because are required almost 12 points. Than 2♦ over 2♣ doesn't stop bidding as is forcing a round. That allows us to have informations to avoid misfit.

[KurtGodel]

I didn't work it out for myself, but I agree with PhilKing.

[phil_20686]

eagles123, on 2015-July-23, 14:23, said:

all vul at imps

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2c is 3+ unless specifically 4522

first of all, do you agree with 1N?

second, what now?

I mean. I wish that I played gazilli really.....

Playing natural systems, you just have to raise clubs if you bid 1N. You bid hoping that you would have a fit. Since you have potentially found one, you really have to raise. What if partner has Axx Axxxx x AKxx ? I realise it feels pretty odd not having a t/o double or a spade overcall, but it can happen. I feel like I am not very far from a 4 club bid, which shows 5+ club support and a singleton in partners first bid suit here. 3C is fine as you have the impossible spade so you cannot have a very good hand.