Andrew:

Jump rebid in a new suit

Some bids in bridge are complete “sign off’s” - e.g. 1NT-2♠. Some are invitational - e.g. 1♥-3♥, and some force partner to speak again - e.g. 1♣-1♦. A few bids actually force partner to keep bidding until Game is reached; one such “Game-forcing” sequence is a jump rebid in a new suit by Opener - e.g. 1♣-1♦-2♥ or 1♥-1♠-3♦.

South Deals
N-S Vul

♠ 9 7 5
♥ A 7 5 3 2
♦ Q 10
♣ 7 6 3

♠ K 6
♥ 10 8
♦ 8 7 6
♣ K J 9 5 4 2

N
W		E
S

♠ Q 4 3 2
♥ J 9 6 4
♦ 4 2
♣ A Q 8

♠ A J 10 8
♥ K Q
♦ A K J 9 5 3
♣ 10

West	North	East	South
			1 ♦
Pass	1 ♥	Pass	2 ♠
Pass	3 ♦	Pass	4 ♦
Pass	5 ♦	Pass	Pass
Pass

South’s jump rebid of 2♠ was game-forcing and showed at least five ♦s and at least four ♠s. North correctly gave “false preference” back to South’s first suit. South then bid 4♦ to see if his partner could cooperate in a Slam venture. North - still unable to pass as game had not been reached - made the weakest bid by raising to 5♦.
West led ♣5 to East’s ♣A and South trumped East’s ♣Q continuation. He crossed to dummy’s ♦10, cashed ♦Q and led ♠5 to ♠2, ♠J and West’s ♠K. West returned ♣K and South trumped, drew the last trump, led ♥Q overtaking with dummy’s ♥A, and led ♠9. East played ♠3, South ♠8 and West ♠6. ♠7 followed to ♠4 and South’s ♠10 won. The rest of his hand was high.

ANDREW’S TIP: A jump rebid in a new suit by Opener is forcing to Game.

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Andrew:

Jump rebid in a new suit