mikeh, on Feb 26 2008, 09:49 AM, said:
In addition, narrowing the suit requirements is not as costly as some (Cascade for example) seem to think. Yes, it renders the 2♠ rebid wide-range. But remember we have an entire level of bidding space that we can use to help define the ranges. And when/if opener shows extra strength, responder knows that there is a trump issue in opener's hand...so that with the goodish hand and xx in trump, he will soft-pedal because there will often be a loser in trump.
After a 2♠ rebid the range that we need to cater to in this one round of bidding that we have is 10-19 or something.
I don't think that is a fair swap for a few hands where we have solid trumps.

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