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Inverted minor suit raises

#1 User is offline   rg14 

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Posted 2018-August-24, 01:30

How does inverted minor suit raises work with
1. 0 to 6 points
2. 6 to 9 points
3. 10 + points
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#2 User is offline   Tramticket 

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Posted 2018-August-24, 03:19

A lot is down to partnership agreement.

Suit length: We play four-card majors and for us a 1m-2m raise will only promise four-card support. This will be different in a five-card major system and your choice of minor suit opening when opening a short minor will have an impact on the suit length needed for an inverted raise. For us, 1m-3m also only promises four-card support, but in practice, responder will often have five.

Strength: For us 1m-2m is a one-round force only and shows 11+ points (maybe 10+ with some shape). There are partnerships who play that 1m-2m is forcing to game and their strength requirements will need to be correspondingly higher. For us, 1m-3m can be 0-9 HCP but will usually be in the range 5-9 HCP. We would need some extra distribution to respond on fewer values. You really need to discuss your approach with your partner - you can use the bid in a pre-emptive way, but this gives partner a problem when holding a strong opening. Or you can keep the 1m-3m sequence as a narrower range, this is more constructive and helpful to partner, but less pre-emptive for the opps. It will depend on your partnership attitude to pre-emption.

Majors: Most play that a 1m-2m and 1m-3m both deny a four-card major.

Follow-ups: After 1m-2m, a new suit should suggest values in the suit (not necessarily a four-card suit) and probing for no trumps.
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#3 User is offline   Cyberyeti 

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Posted 2018-August-24, 04:11

We also play 4 card majors and a weak no trump, and play ours 9+ with 5 card support or 10+ with 4, and we CAN have a 4 card major. We use 2N and 3 as weaker 5 card raises (or 4 trumps and 5 of the other minor), with a 6-9 4 card raise you have to bid 1N.

Over 1-2 we use 2 as an artificial better than minimum but not GF enquiry
You can do similar in diamonds, basically invert 2/2N but we don't.

It makes a massive difference whether you open 1N weak or strong, as if you don't have to cope with a minimum balanced hand, it's much easier to accommodate more hand types, and 1-2-2N is natural and GF.

In a strong notrump system, I think it's really difficult to allow inverted minors to be non GF AND have a 4 card major, you can do one or the other relatively simply.
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