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Hi,
 
Continuing with the Hi-Lo saga with a side count of aces, I wanted to share something similar but with a side count of sevens.
I think that counting sevens is much simpler than counting aces and I could even say that it is possible to boost Hi-Lo more than with aces.
The advantage of counting sevens is that we significantly improve the BC of the system. There are different variants, two of which I have already presented 20 years ago as CAC/7 and CAC/71.
The main advantage of side counting sevens is that you don't need to change any Hi-Lo index like you do with a side count of aces (according to the "new" technique).
Let's see the different variants:
 
1) Hi-Lo/7
 
pc = -1   1   1   1   1   1   0   0   0  -1 (irc = 0)
sc =  0   0   0   0   0   0   1   0   0   0 (irc = -24)
 
For playing decisions we use "pc" which is essentially Hi-Lo.
For betting decisions we use "pc + sc" which is essentially TKO.
 
BC = 0.9719
IC = 0.7647
PC = 0.7618 (Playing correlation over R22 plays)
 
2) Hi-Lo/71
 
pc = -1   1   1   1   1   1   0   0   0  -1 (irc = 0)
sc =  0   0   0   0   0   0   1   0   0   0 (irc = -24)
 
For playing decisions we use "pc" which is essentially Hi-Lo.
For betting decisions we use "pc + sc" which is essentially TKO.
For insurance we also use "pc + sc" which is the TKO insurance index.
 
BC = 0.9719
IC = 0.7881
PC = 0.7628 (Playing correlation over R22 plays)
 
3) CAC/7
 
pc = -1   1   1   1   1   1   0   0   0  -1 (irc = 0)
sc =  0   0   0   0   0   0   1   0   0   0 (irc = -24)
 
For playing decisions we use "pc" which is essentially Hi-Lo.
For betting decisions we use "2 * pc + sc" which is a sort of double Red Seven.
 
BC = 0.9799
IC = 0.7647
PC = 0.7618 (Playing correlation over R22 plays)
 
4) CAC/71
 
pc = -1   1   1   1   1   1   0   0   0  -1 (irc = 0)
sc =  0   0   0   0   0   0   1   0   0   0 (irc = -24)
 
For playing decisions we use "pc" which is essentially Hi-Lo.
For betting decisions we use "2 * pc + sc" which is a sort of double Red Seven.
For insurance we use "pc + sc" which is the TKO insurance index.
 
BC = 0.9799
IC = 0.7881
PC = 0.7628 (Playing correlation over R22 plays)
 
Let's see a comparative table of SCOREs for the following rules: 6D,S17,DOA,DAS,SPA1,SPL3,NS,4.5/6,R22 plays,50 billion rounds each.
 
            1-12        1-16 
CAC/71      22.71      26.75
Hi-Lo/A01   22.67      26.57
CAC/7       22.50      26.53
Hi-Lo/A0    22.53      26.42
Hi-Lo/71    22.20      26.23
TKO         22.22      26.21
Hi-Lo/7     22.01      26.02
KO          21.04      25.04
Hi-Lo       21.15      25.00
 
Enjoy!
  
Sincerely,
Cac