Ok, thanks.
I am hearing what i was thinking. As Chamaco said, i really like the ability to enter in relay sequence after any opening so that it gives great accuracy when in the slam zone, in fact this is the main interest of the system for me.
As Luis pointed out, it isn't very effective in competitive bidding (mostly after 1
♦ i suppose) because of its wide shape range where no suit is already shown but it is possible to compute other definitions for the openings, such as:
1
♦=11-15, 5+
♦ unbalanced or any 4441 with 4
♦
1
♥/
♠= 11-15, 5+
1NT= 12-15 balanced
2
♣ = 11-15, 5+
♣ unbalanced or concentrated values if 5422
2
♦ = weak, 6
♥ or
♠
2
♥ = 4414 or (43)15 or 4405 (short
♦), equivalent to precision 2
♦
2
♠ = weak, 5
♠+4X
with this kind of opening, it is possible to keep the effectiveness of relay auction while beeing less subject to being stuck when preempted. Of course, the relays after 1
♦-1
♥ would need some adjustements.
I felt CRASH and super relay are very effective. When i tried to bid honestly a few boards where we missed slams, i found it was quite easy to bid them (or avoid them). Why controls then denial cue bids are more effective ? Do they save more bidding space ?
Finally, concerning the memory, it may be right that some sequences are not very logical (i would need practice to realize that) but i enjoy that a lot of sequences are symmetric and thus lighten the memory load.