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Crazy Diamond


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Instead of using 2D as a weak 6 card suit I have a funny alternative.

Since Im a great fan of Pink Floyd I call it Crazy Diamond.

Its minimum 5-5 in any suits with 6-10 HCP.

 

2H-2S weak respons-Opener passes or bids lowest suit.

3C-3D-3H-3S own long suit for play

2NT forcing

After 2NT:

3C minimum with one higher suit

3D minimum with a major

3H minimum with both majors

3S maximum with a minor

3NT maximum with both minors

4C maximum with H

4D maximum with H

4H maximum with both majors

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Not entirely surprising, there is already a system called "Crazy Diamond". It was/is played -quite successfully- by, among others, the Kaiser brothers from the Netherlands.

 

I am no expert, but if I recall correctly, it is a strong club system where the 1M openings promise a four or at least six card major, but never five. Hands with a five card major are opened 1. It used to be popular among some players (Cees Kaiser and his partner, Toine van Hooff, and his partner, ...) at the Star bridge club (Utrecht, the Netherlands) when I played there in 1997.

 

Rik

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When I started playing bridge 45 years ago I played something similar called "Polish Scissors". It was opening 2NT with similar distribution but that took away opening strong balanced hands. Also it forced to the 3 level, with 2D you can stop with 2H or 2S when partner is too weak to force. Anyway Im very interested to have opinions from good players and also suggestions to improve the convention.
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I prefer Wilkosz for better preemptive options, as well as better slam bidding. The extra possiblitiy (both minors) isn't worth it imo.

Yes, especially the possibility to respond 4/4 when you have both majors, allowing you to play the contract from either side.

 

You should play 3 = both minors if you really want to have an opening for them as well.

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