# This is an OKbridge convention card.
# 
System         SP: Big Club, 5cm, 1NT 10-2 or 14-6, 1D 2+, 2m over 1M GF
1C_Strong      16+, resp: 1D 0-8, 1H=S, 1S=bal or reds, 1N=H, 2C=D, 2D=C
1D             11-5 2+ dia (if 2 dia, usually 4-4 M), Inverted raises.
Majors         5cm, 1N forc. 1M-2M Con, Bergen, J2N
NT_1st/2nd/N   10-2 not 4-4 M, 2C Stm, 2D GF Rly, 2M WK, 3X Wk, 2N:21-2
NT_3rd/4th/V   14-6 not 4-4 M, 2C Stm, 1st/2nd: 2D GF Rly. 3rd/4th: JXF, 2N:21-
2C             11-15 HCP, 6+ clubs or 5 clubs and a 4 card major
2D             11-15 HCP, short diamonds (4414, 4405, 3415, 4315)
2H_2S          Weak     5-10 hcp, 5-6 cards, RONF, Ogust
2N             11-15 both minors at least 5-5
Overcalls      8-16 HCP, cue is 1R force, DR Pre, jump overcall is weak
NT-Over        2N = Lower 2 unbid
Doubles        Negative -> 3S, Support X/XX, Responsive -> 3S
Preempts       may be light
VS.Doubles     New Suit Force 1-level, 2N = Limit raise or better
Vs.Preempts    Dbl is TO at 2/3 level, 2N/weak 2 = 15-8 HCP Bal, Lebensohl
Vs.1C-1S       1N = minor (5+) + (a/other) 4 card major. Q = Michaels
Vs.NT          Str: x = weak 2 suiter, transfers. Wk: Astro
Cuebids        Michaels, Direct JmpQ stopper ask
Slam-Bids      1st/2nd round ctls up the line. RKC 1430, Kickback m
Leads.suits    3/5th, Akx(except 5+Lvl or Bid/Raise), 10/9 = 0/2 higher.
Leads.NT       4th, Rusinow- lower of touching
Carding        udca, O/E. Trump carding often suit preference.