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Strong 2C - 4 card major players

#1 User is offline   jillybean 

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Posted 2021-June-30, 23:58

For those playing 4cM's

2C : 2D waiting
2M

What does your 2M bid show?
"And no matter what methods you play, it is essential, for anyone aspiring to learn to be a good player, to learn the importance of bidding shape properly." MikeH
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#2 User is offline   Tramticket 

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Posted 2021-July-01, 00:13

I don't think that this sequence is dependent on your one-level system.

The sequence promises a five-card suit. With two four-card suits you are balanced. Very strong 4441 hands are awkward. They are awkward in any system.
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#3 User is offline   Stephen Tu 

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Posted 2021-July-01, 00:20

4cM 1 level openers don't have any effect on this sequence. It would be extremely weird not to have 2M show 5+ if natural (2H often played as natural or super strong balanced, aka Kokish aka Birthright). Likely unworkable otherwise, if 2M only promised 4 you'd have a ton of trouble on the way more common 6+ and 5+ 2c openers.

Hands with 4cM that could be opened 2c:
- balanced/semi-balanced hands. These should all rebid some number of NT or go through Kokish.
- 4M/long clubs. Just rebid clubs, use 3D by responder as an ambiguous probe to find 4cM if any.
- 4M/long diamonds. It's reasonably popular to use 2c-2d-3M as 4M long diamonds, giving up the single suited set trump/demand cue meaning. Otherwise it's rebid diamonds and tough to cater to finding the 4-4s.
- 3 suiters ... OK these are genuinely a problem. No naturalish system that doesn't have a "strong Roman" opener (sometimes combined with a multi-2d) handles these great; strong Roman is usually sacrificed just because they are so rare compared to other uses of 2 bids. With 3-suiters, you basically have a choice between open 1, hope you don't get passed out with slam on, pretend the hand is balanced (with stiff honor preferrably), or rebid a beefy 4cM and pretend it's a 5-bagger.
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#4 User is offline   Cyberyeti 

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Posted 2021-July-01, 01:33

Old fashioned Acol would only show 4 with a 2M rebid, but very few people do that nowadays AKQ, AKQx, Jxxxx, A for example would rebid 2 although I suspect many now would choose 2N.
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#5 User is offline   jillybean 

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Posted 2021-July-01, 04:25

View PostCyberyeti, on 2021-July-01, 01:33, said:

Old fashioned Acol would only show 4 with a 2M rebid, but very few people do that nowadays AKQ, AKQx, Jxxxx, A for example would rebid 2 although I suspect many now would choose 2N.

This perhaps explains it, thanks.

AK96, AKQ5, 4, KQ43

2 : 2
2
"And no matter what methods you play, it is essential, for anyone aspiring to learn to be a good player, to learn the importance of bidding shape properly." MikeH
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#6 User is offline   Cyberyeti 

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Posted 2021-July-01, 05:31

View Postjillybean, on 2021-July-01, 04:25, said:

This perhaps explains it, thanks.

AK96, AKQ5, 4, KQ43

2 : 2
2


That hand says "don't open 2 on a 21 count without a 5 card suit" (unless that's in your 2/2N range).

1 for me on that
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