[mikestar13]

PrecisionL, on 2016-May-19, 16:40, said:

Phil,
I have been playing the following 1-level responses to a 15+ hcp forcing club for 10 years and am quite satisfied with the results:

1♦ response: 0-7 hcp and 4+♥

1♥ response: 0-7 hcp and 4+♠

1♠ response: 0-7 hcp and NO 4-cd major

1NT response: G.F. and Majors, 4-5 or 6-4, or any 5-5 hand

2♣ response: All other hands, usually balanced.

Interesting as far as it goes, but do you really never respond 2♦ or higher to 1♣? The transfer negative structure is more resistant to interference than the usual 1♦ negative, and the 1NT response is mostly done on hands where wrong-siding 3NT is least likely to be a factor: when a major two-suiter is held. I like what I see but keep thinking there must be more. 1♣-2♣ looks difficult to unwind.

[Phil]

mikestar13, on 2016-May-27, 15:43, said:

Interesting as far as it goes, but do you really never respond 2♦ or higher to 1♣? The transfer negative structure is more resistant to interference than the usual 1♦ negative, and the 1NT response is mostly done on hands where wrong-siding 3NT is least likely to be a factor: when a major two-suiter is held. I like what I see but keep thinking there must be more. 1♣-2♣ looks difficult to unwind.

2D is multi in a major
2H is both minors mixed
2s is both minors weak
2N is GF natural