Rosenkranz Double & Redouble Convention

The Rosenkranz double and redouble convention is used to respond to partner's overcall when right-hand opponent has made a forcing response to his partner's opening bid (a bid in a new suit or a negative double)

Examples

1. South 92 KJ10 10853 A984

1

1

1

Dbl

Support double. 6+ HCP, 3+ hearts, 1 round Forcing bid showing a three-card trump support, with the ace, the king or the queen

2. South 92 J106 K853 A984

1

1

1

2

6-9 HCP, 3+ hearts, limiting Non forcing bid showing a three-card trump support, without the ace, the king or the queen

3. South 92 KJ10 10853 A984

1

1

Dbl

ReDbl

Support redouble. 6+ HCP, 3+ hearts, 1 round Forcing bid showing a three-card trump support, with the ace, the king or the queen)

One other thing to talk over with partner: Do you play Rosenkranz when RHO bids NT ?

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