I hope this topic was not totally covered previously, I tried a search but just some bits and pieces came out, so I figured a brand new thread would make things clearer.

If indeed this is redundant, I apologize in advance

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The question is

2D-(2Y)-?

2D-(3Y)-?

2D-(4Y)-?

2D-Dbl -?

The following assumes that 2D is NOT only a weak 2, but encompasses also at least one strong option.

In my case the only strong option is 17-20 hcp, any 4441.

**Question 1- The practical question (Multi 2D overcalled "for dummies")**

What are the "standard" agreements ?

E.g. if you meet a random player and you are forced to play Multi 2D (wdoes not matter if u like it or not ) including weak 2 and strong 4441, and you have no time to discuss the overcalled multi 2D responses, what are the implicit agrements you assume ?

I know there is some material on web pages, and I hav veiwed the approach suggested by Chris Ryall, but I don't know if this one cane be asume as the "standard undiscussed" agreements

**case A**

**2D-(2Y)-?**

what does it mean if you bid

- 2Z

- 2NT

- 3Z new suit up the line

- 3Z = jump new suit

- 3NT

- 4Z = single jump new suit

- 4Z = double jump new suit

- 3Y = cuebid

- 4Y = jump cue

- Double

**Case B**

2D-(3Y)-?what does it mean if you bid

2D-(3Y)-?

- 3Z new suit up the line

- 3NT

- 4Z = new suit up the line

- 4Z = single jump new suit

- 4Y = cuebid

- Double

**case C**

2D-(4Y)-?

2D-(4Y)-?

what does it mean if you bid

- 4Z = new suit up the line

- 4NT

- 5Y = cuebid

- Double

**case D**

2D-Dbl -?what does it mean if you bid

2D-Dbl -?

- 2Z

- 2NT

- 3Z new suit up the line

- 3Z = jump new suit

- 3NT

- 4Z = single jump new suit

- 4Z = double jump new suit

- 3Y = cuebid

- 4Y = jump cue

- ReDouble

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**Question 2- The theoretical question (Multi 2D overcalled "for smart guys")**

Which is the approach you like most to respond to 2D multi overcalled with the given constraints (weak 2 or strong 4441) ?

What are the followups in the sequence I listed above ? Thanks !! :-)