Runout after 1NT doubled
If your weak NT (or even a strong
one!) gets doubled for penalty, you need some method to find a better
contract. It is for the opponents to double you, so your first bid need not be natural.
1NT (dbl) ?
Pass: I think 1NT doubled is the best spot
Redouble: Business
2: Natural or 2/3-suited without
2: Natural or 3-suited without or 2-suited with
2/: Natural
Strategy: When you bid 2minor and you get doubled, you redouble for SOS (3-suited) or bid your cheapest suit in your 2-suiter.