System simple 2/1 GF Always (by unpassed hand) except in comp NT 15-17,Jxf,Txf,Leb,4 suit transfers , 3H&3S=3 suiters w/shortness in suit bid 2N=20-21,Jxf,Txf,3S=MSS,Leb,3N=4C or 4D preempt;NAMYATS Majors 5cm, J2N(4X=2nd suit),1N=1 rd frce,wjs in comp and into majors 3N=balanced 15-17 HCP (4-3-3-3 or 4-4-3-2) Minors 3+(usually 4 diam), inverted (force to 2nt or 3min)off in comp ,3N=15-17,bypass 1D unless GF strength Strong 2C - 2D wait, cheapest 3 level is 2nd neg Weak 5-11(wider 3rd, stronger 4th),2NT-feature,raise and 3 minor nonforce Overcalls 8-16,new suit nf tends to deny good supp, Q=1rd frce, Q then new suit forcing, weak raises if next opp doubles NT-Over 16-19,System on-incl Lebenshol if next opp bids Doubles Neg-3S, Resp-3S, Support x and xx ->2H Vs.Doubles Jordan 2N (maj and min), raises are weak if partner opener-new frce 1 level only,xx implies no fit 10+ Preempts standard type (gen rule of 2 and 3), new suits forcing Vs.Preempts X=takeout, Lebenshol/weak 2 all seats Cuebids Michaels over maj or min (2N asks minor), nat over artificial Slam-Bids 0314 RKC(last bid suit unless only 1 fit established) Suit-leads 3rd and 5th, Xxx, rusinow NT-leads attitude,Xxx,A asks honor-count if none, K asks attitide Carding odd-even discards; smith echo vs. NT Misc 4SF(GF),NMF; capp/nt,over strong 1C or 2C X=maj, NT=minors