straube, on 2014-April-10, 02:23, said:
1N is way too low in the bidding to announce a strong diamond hand.
What about making it two-way, as I suggested over 1D--1S? This would be like a Gazzilli type of bid:
1D--1H;
1S = Natural
1NT = 16+ (perhaps not hands with 4 spades) or 6+ diamonds
2C = 5-4 minors
2D = 3 card raise
2H = 4 card raise
Higher = Various, perhaps 5-5 minors, long diamonds, 15--17 with 6 diamonds and 3 hearts etc.
1D--1S;
1NT = 16+ or 6+ diamonds
2C = 5-4 minors
2D = 4 hearts
2H = 3 card raise
2S = 4 card raise
Higher = Various
1D--1M; 1NT---
2C = GF vs strong hand (about 8+)
...2D = 6+ diamonds, 11--15
...2M = 16+, 3+ support
...Other = Naturalish 16+
2D+ = Naturalish, not enough to force game vs strong hand
The most problematic hand would be 1-4-4-4 after 1D--1S.