I love relays

Hi all

Last night at Star. This is why I play a relay-system.

North Dealer
EW Vul
North
AJ73
A952
86
Q63
West
Q82
QJ84
Q4
K842
East
T654
KT63
T752
7
South
K9
7
AKJ93
AJT95

 

West
North
East
South
 
1NT1
pass
22
pass
2
pass
23
pass
2NT4
pass
35
pass
36
pass
37
pass
48
pass
69
a.p.
 
 
 

1. 10-12 balanced
2. Stayman, or initiating a GF relay
3. GF relay
4. Showing four spades
5. Relay for distribution
6. 4-4-2-3
7. Aces?
8. Two Aces, or
9. That’s all I wanted to know

I boldly leaped to the slam. With the Queen of trumps smiling in dummy it’s a grand on a finesse (and some more). Even with a trump lead there was no play to it, I just ruffed a in dummy, only losing a trick to the King of .

This one looks hard to bid in a natural system, no?