System>>>strong club

1C>>> 15-19 or 22+, artificial:1D 0-6 or 12+, 7-11 bid 1H-2D "opening",2H 7-11 4+/5+ minors, 2NT 7-11 ^+diam., wjs

1D>>>12-19 4+/5+min. or 6+ diam., or any 20-21: 1H- 0-3 HCP, 1S waiting, 1NT 8-10 HCP, 2C/D natural forcing, wjs

Majors>>>10-14, 4 with side 5 or 6+,1NT=forcing (can be weak), raises=preemptive, wjs

1NT >>> 10-14,Leb,2C-inv.Stayman,2D/H/S/3C=sign off, 2NT g.force,3D- minor suit slam try, 3H/S gforce 

2C>>>4+ and 5+ maj. or 6+,10-14: 2D=asking,2H/S=sign off, 2NT=inv.,3C forc., wjs

2D>>>4+ and 5+ maj.10-14: 2H/S=sign off, 2NT=asking, 3 level new suit=gforce, raise - preempt

2H/S>>> preempt: 2NT asks for shortness, rebid suit with minimum

2NT>>> light preempt with minor or sound preempt with major

3C/D>>> sound preempt,  3H/S>>>light preempt,  3NT>>> gambling, 4level >>>4C/D strong transfer to 4H/S, 4H/S- weak

3rd and 4th hand and over opps strong 1C opening may open 0-14 HCP

Leb, resp X, supp X, neg X to 3S,

RKC0314