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[Event "2017-10-23 Charlotte Precision Problem"]
[Site ""]
[Date ""]
[Board "13"]
[West "Gary Schwartz"]
[North "Jim Foster"]
[East "Pete Matthews"]
[South "Sue Stockham"]
[Dealer "N"]
[Vulnerable "All"]
[Deal "N:A3.AKQJ.J6.AKQT9 62.842.AKQ74.J65 JT95.9765.T85.73 KQ874.T3.932.842"]
[Scoring ""]
[Declarer ""]
[Contract ""]
[Result ""]
{

Gary and I play Leaping Truscott, so a simple 1\D overcall was available to me.
 Over Gary's raise, North was in a tough spot.  A jump here would usually be
forcing to game, for Precision players; while he has a great hand, he does not
know where he wants to play.  He chose the sensible takeout double.  According
to a reliable opinion, Jim Foster is the best player in Alabama.  He showed his
mettle with his next bid of 3\H, playing there for a fine score, NS +170.  

However, as he pointed out, Stockham has a clear raise to game, with four
trumps and an almost certain ruffing trick.  Why is that?   The typical takeout
double here shows support for the three suits other than diamonds.  With 4-5
points, Stockham might have jumped to 3\S.  Foster knew Stockham had an
effective 0-3 HCP, so with a "normal" double of up to maybe 21 high card
points, he would have passed 2\S.  Bidding a new suit meant Foster just needed
a little something to make game.

Without the overcall, modern Precision easily reaches the fine 4\H contract, NS
+620:}
[BCFlags "1f"]
[Auction "N"]
1C =1= 1D Pass =2= 2D
X =3= Pass 2S Pass
3H AP
[Note "1:Precision, 16+ HCP"]
[Note "2:Bad hand, 0-5 HCP"]
[Note "3:Takeout, as if West had opened, but stronger"]

[Event ""]
[Site ""]
[Date ""]
[Board "13"]
[West ""]
[North "Jim Foster"]
[East ""]
[South "Sue Stockham"]
[Dealer "N"]
[Vulnerable "All"]
[Deal "N:A3.AKQJ.J6.AKQT9 62.842.AKQ74.J65 JT95.9765.T85.73 KQ874.T3.932.842"]
[Scoring ""]
[Declarer ""]
[Contract ""]
[Result ""]
{

Notice that, if the club suit comes in, North can usually make game opposite
only <i>three</i> hearts, discarding his spade loser on the third round of diamonds.

Taking a leaf from Mike Lawrence, I would likely reach game on a standard
auction, as I would expect Foster to do:

     2\C - 2\D [waiting]; 2\H - 4\H [bad hand with \H]

However, playing 2\H negative [2\D positive], North would not have this path
available.  Instead, the typical standard auction would be:

     2\C - 2\D/2\H; 2NT - Pass

The defense cashes five diamonds, NS +120.  This is why we got fewer than 20%
of the matchpoints.}
[BCFlags "70001f"]
[Hidden ""]
[Auction "N"]
1C =1= Pass 1D =2= Pass
1H =3= Pass 2H =4= Pass
4H AP
[Note "1:Precision, 16+ HCP"]
[Note "2:Bad hand, 0-7 HCP"]
[Note "3:Natural, unbalanced hand, 4+ cards, forcing"]
[Note "4:4+ card support, 0-4  HCP"]