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Rule of 18 for opening bids


InTime

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You're in South Africa, so I'm guessing you mean SABF jurisdiction. https://www.sabf.co.za/laws/SABF%20CONVENTION%20CONTROL.pdf says:

Normal Opening Bids

 

The range shall be from a minimum which conforms to the Rule of 20, up to a

maximum of 17HCP. This does not preclude the use of a normal opening bid

with a stronger hand which is subsequently redefined in the rebid, or conforming

to the rule of 18 in third seat.

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The range shall be from a minimum which conforms to the Rule of 20, up to a

maximum of 17HCP. This does not preclude the use of a normal opening bid

with a stronger hand which is subsequently redefined in the rebid, or conforming

to the rule of 18 in third seat.

 

One cannot open a 12 HCP 4333 in first or second seat ?

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Or an 18+ artificial 1?

You can open an artificial 1 as a rebid can then define its strength as per the last part of the requirement. Also the definition for a strong Club is found later in the document.

 

It does look as if you can't open 1NT on a 12 point 4333 in 1st or 2nd position though!

 

I don't like the rule forbidding more than one 'similar' psych in a tournament. Personally I think the SABC is overextending its authoriity.

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It does look as if you can't open 1NT on a 12 point 4333 in 1st or 2nd position though!

About as ludicrous as the EBU rules on opening an artificial 2C.

 

For example, in South Africa, if barmar is correct, you can open a weak NT, or one of a minor, on QJ QJ KQxx xxxxx, which is 8.75 on the K-R evaluator. However you cannot open ATx ATx AT9x T9x which is 13.75 on the K-R., a full five points better!

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