That sounds more complicated than Lebensohl to me. If you're going for less to remember, why not just play whatever you want to play, i.e. stolen bid doubles. Sure, it might be worse than other conventions, but how much worse? How often does it even come up? Better ...
With Ax opposite Qx in the opponents’ suit, which hand wants to declare is whichever one puts the opponent with the K on lead. It’s essentially random, though you might infer which opponent is more likely to have the K based on length or suit quality required for an ...
That's an 11-card hand, Martin. Thanks for your input on the first bidding problem. Any thoughts on the second, or additional questions on the last page?
If 3♣ asks for a stopper, then South should be able to deduce from North's 3NT bid that North has Qxx. South can then bid 4♣ to set clubs as trump and let the bidding go from there.