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[Event "Systems for Hearts with Spades"]
[Site ""]
[Date ""]
[Board "1"]
[West ""]
[North "Andrew"]
[East ""]
[South "Pete"]
[Dealer "N"]
[Vulnerable "None"]
[Deal "N:AK5.A9865.2.KQ93 943.KT7.AKT7.T76 JT876.Q.Q843.AJ2 Q2.J432.J965.854"]
[Scoring ""]
[Declarer "S"]
[Contract "4S"]
[Result "12"]
{

The Tucker system addresses the Flannery problem (5+ \S & 4+ \H), the major
nightmare (6+ \H & 3+ \S) and North's shape on this hand.  It applies after a
1\H opening bid:  

1. The 1\S response shows any four or more spades, but is seldom made with
values to drive to game.  Opener's 1NT shows exactly 3-card spade support. 
Responder only passes with exactly 4=1=4=4 shape, minimum values, and bad
spades.  Responder has no artificial forcing bids; a minor shows a suit of 5+
cards, a singleton or void in hearts, bad spades and a weak hand.

2. The 2\S response shows 5+ spades in a game-forcing hand; there are special
continuations.  Whether playing Tucker or not, <i>I strongly recommend:</i>  with only
four spades and game values, responder bids two of a minor; over that, opener
bids any 4-card spade suit immediately, which does not show extra values.

North chose a heavy 1\H opening bid (playing Precision, 1\C is opened when
holding an unbalanced hand with 16+ HCP).  Over the Tucker 1NT rebid by North,
South, holding mostly soft values, rebid only 2\S; an invitational 3\S would
have been acceptable.  No problem, North had heard enough to bid the cold game.

The Precision 1\C opening gets to game without further gadgets:  1\C - 1\S
[5+\S, 8+HCP]; 2\S ... 4\S.

In standard bidding:  1\H - 1\S; 2\C - ?      Not so easy.  2NT makes some
sense, but are these really invitational values?  2\S could land in a 5-1 fit,
and 2\H probably will.  If 2\D is an artificial game force, passing 2\C looks
quite reasonable.  Much of the field failed to get to game on this hand.  Maybe
1\H - 1\S; 2\S - ?

Here is a simple method that helps on such deals:  require that a 1\S response
provide \S Q 10 x x or better (or any five cards).  With this in place, the
auction becomes easy:  1\H - 1\S; 3\S [can play 4-3] - 4\S.  My analysis shows
this method provides about half the advantages of the Flannery 2\D opening,
without having to cope with it.  Tucker provides about twice the advantages of
Flannery, about half for each of 1\S and 2\S responses.

2019-06-12e https://3nt.xyz © Pete Matthews Jr}
[BCFlags "1f"]
[Score "NS +480"]
[Auction "N"]
1H Pass 1S Pass
1NT =1= Pass 2S =2= Pass
4S AP
[Note "1:Exactly three spades, intended as forcing."]
[Note "2:Four decent spades or any 5."]