I asked Rhoda Walsh, a pen pal of mine, whether she and the late Paul Soloway put the
Soloway Jump Shift on their convention card when the two of them were partners. She replied in the negative.
That's rather telling when the inventor of a convention and a top expert partner forgo using his own invention.
But let's cover first things first: The value of the hand. After all, if you don't know the true playing value of the hand, how can you be expected to find the right bid for it.
Since a splinter on the first round would agree clubs (opener's suit), West's first call is 1
♦. After the anointed Walsh rebid, 1NT, a vanilla jump shift into three clubs forces to game and promices 5+ diamonds and 4+ clubs. East takes the obvious preference for diamonds and promises three of them (because West need not have more than five diamond cards).
This support yields two critical things: 1) West is the captain because East has limited his hand (12-14); and 2) West's ability to
correctly revalue his hand for Responder Count. Rhoda call's it PSP (Partnership Support Points) but a rose by any other name.
Valuing your hand in the 19-21 point range, facing a partner who has an opening hand usually yields a slam unless you are unlucky with the slam controls. And away you go toward slam.
dickiegera 'Playing Walsh if West bids 1♦ East will bid 1NT.Now what?Maybe it is best if West bids 2♣ [Inverted minors]. Opinions please'
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To 1♣. if you reply 2♣ (inverted) rather than 1/2♦. then you are likely to lose the ♦ suit.
Perhaps, best to agree Transfers, Crowhurst, 2-way check-back, or XYZ, as a solution to this kind of problem.