Playing five card majors, I open one heart, partner responds two of a minor, and I bid two spades. That would be a "reverse," showing a five-four pattern, and at least 16-17 points.

But suppose I bid one diamond (with three or four), because I have only four cards in my major. Partner bids one spade, and I now bid two hearts (with four of them).

Are there some variations of standard American, or any other bidding system, whereby partners would agree that this sequence was *not* a reverse? And responder would not credit me with more than 12-13 points? The reason is that I was bidding a "convenient" minor at the one level, and I actually have no more diamonds than hearts.