[pescetom]

 Gilithin, on 2023-June-20, 11:44, said:

Different structures are possible but it is usually played as an artificial relay, as in Chris Ryall's write-up from many years back.

Thanks, that makes a lot of sense and preempts my follow up post with a similar idea

I can imagine 2♠ developmemts on the basis of Multilandy, but if you have some similar proposal please post.

[Gilithin]

 pescetom, on 2023-June-20, 14:52, said:

Thanks, that makes a lot of sense and preempts my follow up post with a similar idea

I can imagine 2♠ developmemts on the basis of Multilandy, but if you have some similar proposal please post.

Yes, by choice I use an identical structure for Muiderberg 2♠ and for Multi-Landy: 2NT relay; 3♣ P/C; 3♦ INV+ with hearts; 3♥ good raise; 3♠ PRE.