P1C2NT
Precision 1C-2NT and 1C-3NT Auctions
13
   The standard meaning of 1C-2NT is a balanced 11-13 point hand.
   Over this 3C is Stayman.
   The Baron convention may be used in lieu of Stayman.

   There is also a conventional response of 2NT to show the
   Impossible Negative hand type. The impossible negative is a
   positive response (8 or more points) with 4-4-4-1 distribution.

   Playing the impossible negative 2NT, 3C asks for the singleton.
   Responder than bids the suit below his singleton.

   The meaning of 1C-3NT is a balanced hand with 14 or more points.

12
2
Did partner
bid 3NT?
1
Check to see whether partner just responded 3NT to your 1C opening bid.

1
Find response
7
All hands with under 17 HCP should respond 4NT showing your minimum values.
A response of 4C is Gerber.
Any other bid at the 4 level shows an unbalanced hand long in that suit
and is slam forcing.
5C is used to show the unbalanced hand long in clubs.
6NT shows a balanced hand with 18-20 HCP.
5NT shows a balanced hand with 21+ HCP.

1
Impossible Negative 2NT ?
1
Are you playing Impossible Negative 2NT?

2
Did partner just
bid 2NT ?
2
Did partner just bid 2NT or are you in the middle of a 1C-2NT-3C Stayman
auction?

1
Baron ?
1
Are you playing the Baron convention?

1
Lowest 4 card suit
1
Bid your 4 card suits up the line.

1
4 card major ?
1
Make your Stayman response.

1
Bid 3C as Stayman ?
2
With a balanced hand type, it is right to use the 3C relay to find out
more about partner's hand.

1
Longest suit?
1
Find and bid your longest suit.  If your longest suit is clubs, bid 3NT.

2
Did partner just
bid 2NT ?
3
Did partner just bid 2NT or are you in the middle of a 1C-2NT-3C
Impossible Negative relay auction?
If partner did just respond 2NT, use 3C to ask partner's suit.

1
Where is singleton ?
1
Bid the suit below your singleton.  Use 3NT to show a singleton diamond.

1
3$C
0

12
0 0 0 1 2 1 2
1 1 0 -1 -1 -1 -1
2 0 -1 3 6 1 2
9 1 -1 4 5 2 1
11 1 -3 -1 -1 -1 -1
10 2 -1 -1 -1 -1 -1
3 0 -2 7 9 2 3
7 0 -3 4 8 1 2
8 0 -4 -1 -1 -1 -1
4 -1 -2 10 11 3 2
5 -2 -2 -1 -1 -1 -1
6 -1 -3 -1 -1 -1 -1
1
1 3 4 2 2 1 -2
