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Jordan 2 Notrump (Jordan 2NT) - After partner opens and Right Hand Opponent Doubles, a 2 Notrump call by responder shows good trump support and a limit plus raise (10+ points).  Most players consider good trump support as 4 in the major, while some players use 3 trump (perhaps coupled with other conventions as Bergen Raise Of Major After Double (BROMAD).  While Jordan 2 Notrump was originally intended in response to major suit openings, some players play it on over minors; still others use an inverted Flip-flop 2 Notrump in the minors.

Basic responses after opponent doubles include:

Response

Meaning

2 of Same Major

Competitive, typically 3 trump with 6-9 points

2 of New Suit

10+ points and 5+ in new suit

2 Notrump

The Jordan 2 Notrump bid, showing a limit plus raise and 4 trump

Redouble

Showing 10+ points and no trump support

3 of Same Major

Typically played as preemptive, showing 4 trump with 0-5 points

Redouble

Showing 10+ points and less than the required  trump support to bid Jordan 2 Notrump (see above regarding partnership agreements)

Advanced treatment: after responder bids 2 Notrump, opener may rebid 3C as a game-forcing query:

Response

Meaning

3D

1H - (X) - 2N - (P);
3C - (P) - 3D

Balanced, limit raise

3 of Same Major

1H - (P) - 2N - (3D);
3C - (P) - 3H

Unspecified singleton.

If playing Splinters "off" after opponent Doubles, belated 3 Major shows Limit Raise.

If playing Splinters "on", belated 3 Major shows game forcing values.

3 of Other Major

1H - (P) - 2N - (3D);
3C - (P) - 3S

Game forcing cuebid

3 Notrump

1H - (P) - 2N - (3D);
3C - (P) - 3S

Game forcing without ability to cuebid

4 of Minor

1H - (P) - 2N - (3D);
3C - (P) - 4C

Game forcing cuebid

4 of Same Major

1H - (P) - 2N - (3D);
3C - (P) - 4H

Signoff

To find responder's undisclosed singleton:

Response

Meaning

 

1H - (X) - 2N - (P);
3C - (P) - 3H - (P);
3S

Unspecified singleton.

3S asks shortage suit

3N

1H - (X) - 2N - (P);
3C - (P) - 3H - (P);
3S - (P) - 3N

Club shortage

4C

1H - (X) - 2N - (P);
3C - (P) - 3H - (P);
3S - (P) - 4C

Diamond shortage

4D

1H - (X) - 2N - (P);
3C - (P) - 3H - (P);
3S - (P) - 4D

Spade shortage

 

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