Score Codes on 1986 reports

The following score codes are used on the 1986 reports
D = drop
S = DNSM = Drop + DNS
F = DNFN = Drop + DNF
A = DSQJ = Drop + DSQ
B = 1/2 PenaltyK = Drop + 1/2 Penalty
C = 1/5 PenaltyL = Drop + 1/5 Penalty
X = Excused

The Points for a finishing position are the position - 1