Major Suit Raises - Jacoby 2N

When partner opens 1 or 1 in the first or second seat your response of 2N is a conventional bid called "Jacoby 2N" showing 4+ card support for partner and 12+ HCP. This bid is game forcing and tells partner you want to investigate slam. Here are openers rebids. Rebids by Opener after Jacoby 2N Response (Ex. 1-P-2N*-P--) - Similar if 1 opening. 3 = Shows Singleton or Void in 3 = Shows Singleton or Void in 3 = Shows Singleton or Void in 3 = Shows 16+ HCP, no S/V, strong slam interest 3N = Shows 14-16 HCP, no S/V, some slam interest 4 = Shows 5+ Clubs with 2 of the top 3 honors 4 = Shows 5+ Diamonds with 2 of the top 3 honors 4 = Shows 5+ Hearts with 2 of the top 3 honors 4 = Shows 12-14 HCP, no S/V, no slam interest 4N = Keycard Blackwood in The most common rebid by the opening bidder is 4. This is often passed! If openers rebid shows a S/V at the 3-level then responder must reevaluate their hand. If responder has no secondary values opposite openers shortness then responder starts cuebiding and looking for slam. If responder has secondary values opposite openers shortness then responder denies slam interests by rebidding 4. Here is an example slam with only 26 HCP total!

Dlr: N	A Q 9 4 3
Vul: None	6 5 2
	A Q 3 2
	7
	K 7 6 2
	A K 3
	K J 7
	4 3 2

North	East	South	West
1	Pass	2N (1)	Pass
3 (2)	Pass	3 (3)	Pass
3	Pass	4 (4)	Pass
4N (5)	Pass	5 (6)	Pass
6	All pass

(1) Jacoby 2N

(2) Singleton or Void in Clubs

(3) Cuebid - Ace of Hearts

(4) Cuebid - King of Diamonds

(5) 1430 Keycard in Spades

(6) 2 Keycards w/o Q

Contract: 6 by N