NFL Skeleton System

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NFL SKELETON SYSTEM


This is the offensive/defensive production analysis I mentioned in my Week 11 thread. I'm going to start a separate accounting thread for this very experiment. This is what I believe to be a unique form of analysis for the NFL that I came up with in Week 1 of this 2014 season while I was watching a replay of the Tennessee-Kansas City game.

The concept is to find a way to go through the play by play of each possession in a game and eliminate the "fluff" that ends up skewing the final score of a game. The end result is hopefully a stripped-down, more accurate view of the true production of each team on offense and defense.

My calculations are converted into a "true" point spread for each game that I can compare to the actual line to find hidden value. I actually have seven different calculations going into this work that produces four separate point spreads. I'll also be tracking another variation of those four point spreads to end up with eight overall. Confused yet?

I'll be tracking all eight variations of this work right here on my blog and also a couple internet forums in hopes this stuff pans out and becomes useful to many people and possibly in many ways. This is all uncharted territory as far as the results it produces.

"Skeleton System" is a fitting name because the essence of the work is to uncover the bare bones of a team's performance.


It took me all season to go through the thousands of drive charts for the first ten weeks, while still keeping up with my normal handicapping schedule. I finally finished this past week and just tonight ran the numbers for Week 11 which concluded hours ago with the Monday nighter. In the coming weeks I'll be going back to the prior weeks and running the numbers to get all the 2014 results as I find the time.

In the matchups below, I show each game for Week 11, the four different lines that the work produced (L1,L2,L3,L4), the actual closing line (act) based on 5dimes and my situational angles (sit) that I feel identify some of the most important NFL situations out there. These situations have been a big part of my past handicapping results and they have proven their merit as you can see from my posted forum record over the years. I rank the sits 1, 2 or 3 with 1 being minor, 2 being strong and 3 being very strong. I also included a temporary 1.5 category for fairly strong.


WEEK 11 matchups

sit actL1L2L3L4
1Buffalo4.05.57.56.110.1
Miami -4.0-5.5-7.5-6.1-10.1
1Houston4.03.65.23.77.0
Cleveland -4.0-3.6-5.2-3.7-7.0
Minnesota2.5-0.6-4.5-3.3-11.0
Chicago -2.50.64.53.311.0
Philadelphia4.52.57.32.912.6
Green Bay -4.5-2.5-7.3-2.9-12.6
Seattle-1.09.05.911.65.4
Kansas City1.0-9.0-5.9-11.6-5.4
Atlanta-2.54.21.85.10.3
1Carolina 2.5-4.2-1.8-5.1-0.3
2Cincinnati9.08.710.412.515.9
New Orleans-9.0-8.7-10.4-12.5-15.9
2Tampa Bay7.06.26.86.57.8
Washington-7.0-6.2-6.8-6.5-7.8
Denver-8.0-5.9-10.3-11.9-20.8
1St. Louis 8.05.910.311.920.8
San Francisco-3.51.3-0.3-0.9-4.1
1NY Giants3.5-1.30.30.94.1
Detroit-1.04.53.65.23.3
Arizona 1.0-4.5-3.6-5.2-3.3
New England3.02.02.3-0.10.5
1.5Indianapolis-3.0-2.0-2.30.1-0.5
2Oakland10.04.90.24.7-4.6
San Diego -10.0-4.9-0.2-4.74.6
Pittsburgh-7.0-4.5-6.0-10.1-13.0
1Tennessee 7.04.56.010.113.0


My goal is to compare the difference of each produced line versus the actual line and also whether or not it agreed or opposed any situational angles and how strong those angles were. The results from Week 11 are below. Yes, there's going to be a lot of results. All records are against the actual closing line at 5Dimes.

L1 - all with edge: 11-3.......with line diff of 5.0+: 4-0
L1 - with sit categories.......3: 0-0.......2: 3-0.......1.5: 0-0.......1: 4-1.......0: 2-2.......-1: 1-0.......-1.5: 1-0.......-2: 0-0.......-3: 0-0

L2 - all with edge: 9-5.......with line diff of 3.5+: 5-1
L2 - with sit categories.......3: 0-0.......2: 2-0.......1.5: 0-0.......1: 2-1.......0: 3-1.......-1: 1-2.......-1.5: 1-0.......-2: 0-1.......-3: 0-0

L3 - all with edge: 8-6.......with line diff of 6.2+: 3-0
L3 - with sit categories.......3: 0-0.......2: 2-0.......1.5: 0-0.......1: 2-1.......0: 2-2.......-1: 1-2.......-1.5: 1-0.......-2: 0-1.......-3: 0-0

L4 - all with edge: 8-6.......with line diff of 2.5+: 7-5
L4 - with sit categories.......3: 0-0.......2: 1-0.......1.5: 0-0.......1: 1-0.......0: 3-1.......-1: 2-3.......-1.5: 1-0.......-2: 0-2.......-3: 0-0


A second, and slight, variation of everything (not pictured in the matchups).

L1 - all with edge: 10-4.......with line diff of 3.0+: 6-1
L1 - with sit categories.......3: 0-0.......2: 3-0.......1.5: 0-0.......1: 3-1.......0: 2-2.......-1: 1-1.......-1.5: 1-0.......-2: 0-0.......-3: 0-0

L2 - all with edge: 10-4.......with line diff of 4.0+: 4-0
L2 - with sit categories.......3: 0-0.......2: 3-0.......1.5: 0-0.......1: 2-1.......0: 3-1.......-1: 1-2.......-1.5: 1-0.......-2: 0-0.......-3: 0-0

L3 - all with edge: 9-5.......with line diff of 5.3+: 4-0
L3 - with sit categories.......3: 0-0.......2: 3-0.......1.5: 0-0.......1: 2-1.......0: 2-2.......-1: 1-2.......-1.5: 1-0.......-2: 0-0.......-3: 0-0

L4 - all with edge: 8-6.......with line diff of 2.4+: 7-3
L4 - with sit categories.......3: 0-0.......2: 2-0.......1.5: 0-0.......1: 1-1.......0: 3-1.......-1: 1-3.......-1.5: 1-0.......-2: 0-1.......-3: 0-0


Keep in mind none of these results are backfitted. I am discovering the value of the system as I go through each week (and it could turn out to be a colossal waste of time). Right off the bat from Week 11 are encouraging signs. All eight variations had positive records if you played every single game on the card with the first L1 leading the way at a robust 11-3 ats. If the line produced is five or more points better than the actual line, the record was 4-0 ats. With an agreement from the situational angles, it went 7-1 ats.

Before this weekend's games I'll post all the fresh data on my regular weekly post as well as separately here to keep this project together. I'm also going to try to go back and run the numbers for Week 10 also. Hopefully each week I can get a prior week done until I catch up to date.
 

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Ran into a slight problem as I had to re-create the situational angles for each week but the back tracking should go pretty smoothly now.

To clarify any confusion, we're looking for value in the actual line (act) compared to the skeleton lines S1 thru S4, which are what the lines should be based on my work. So we want the actual line to be better and the more the merrier. In other words, the better it is better, the better for the bettor ;) I also show my situational analysis (sit) graded 0 for none, 1 for minor, 2 for strong and 3 for very strong. I also have a temporary category at 1.5 for semi-strong which may end up a 1 or a 2 down the road.

We're back-tracking now to Week 10 and I'll go all the way back to Week 4 eventually. Hoping to have at least three or four weeks done before this weekend so we'll have a little bit of a sample going into Week 12.


WEEK 10 MATCHUPS

sit actS1S2S3S4
0Cleveland6.04.02.04.60.5
0Cincinnati-6.0-4.0-2.0-4.6-0.5
-1Dallas-8.51.3-0.40.6-2.7
1Jacksonville8.5-1.30.4-0.62.7
0Miami3.0-2.1-3.5-6.2-9.0
0Detroit -3.02.13.56.29.0
0Kansas City2.0-0.6-3.4-2.1-7.8
0Buffalo -2.00.63.42.17.8
0San Francisco6.07.76.410.27.6
0New Orleans-6.0-7.7-6.4-10.2-7.6
1Tennessee10.59.38.012.59.9
-1Baltimore -10.5-9.3-8.0-12.5-9.9
-2Pittsburgh-4.5-4.8-6.9-12.4-16.7
2NY Jets 4.54.86.912.416.7
1Atlanta-3.03.33.34.64.8
-1Tampa Bay3.0-3.3-3.3-4.6-4.8
0Denver-12.0-5.6-10.6-12.2-22.1
0Oakland 12.05.610.612.222.1
0St. Louis7.010.010.514.115.1
0Arizona -7.0-10.0-10.5-14.1-15.1
1NY Giants9.02.74.84.78.7
-1Seattle -9.0-2.7-4.8-4.7-8.7
0Chicago8.57.810.313.318.4
0Green Bay -8.5-7.8-10.3-13.3-18.4
0Carolina7.09.89.216.115.1
0Philadelphia-7.0-9.8-9.2-16.1-15.1


RESULTS - Weeks 10-11, 27 games

S1 - all games: 15-12.......not opposing sit: 13-10.......with line value of 2.1+: 9-6 (60%)
S1 - with sits.......3: 0-0.......2: 3-0.......1.5: 0-0.......1: 4-4.......0: 6-6.......-1: 1-1.......-1.5: 1-0.......-2: 0-1.......-3: 0-0

S2 - all games: 14-13.......not opposing sit: 12-8.......with line value of 3.5+: 7-4 (64%)S2 - with sits.......3: 0-0.......2: 2-0.......1.5: 0-0.......1: 2-4.......0: 8-4.......-1: 1-3.......-1.5: 1-0.......-2: 0-2.......-3: 0-0

S3 - all games: 15-12.......not opposing sit: 12-7.......with line value of 4.8+: 7-3 (70%)S3 - with sits.......3: 0-0.......2: 2-0.......1.5: 0-0.......1: 2-3.......0: 8-4.......-1: 2-3.......-1.5: 1-0.......-2: 0-2.......-3: 0-0

S4 - all games: 14-13.......not opposing sit: 11-6.......with line value of 2.8+: 11-3 (79%)S4 - with sits.......3: 0-0.......2: 1-0.......1.5: 0-0.......1: 1-3.......0: 9-3.......-1: 2-4.......-1.5: 1-0.......-2: 0-3.......-3: 0-0


And a slight variation (not pictured) for tracking purposes

S1 - all games: 15-12.......not opposing sit: 13-10.......with line value of 3.0+: 8-5 (62%)
S1 - with sits.......3: 0-0.......2: 4-0.......1.5: 0-0.......1: 3-4.......0: 6-6.......-1: 1-2.......-1.5: 1-0.......-2: 0-0.......-3: 0-0

S2 - all games: 15-12.......not opposing sit: 13-9.......with line value of 4.8+: 4-2 (67%)
S2 - with sits.......3: 0-0.......2: 4-0.......1.5: 0-0.......1: 2-4.......0: 7-5.......-1: 1-3.......-1.5: 1-0.......-2: 0-0.......-3: 0-0


S3 - all games: 15-12.......not opposing sit: 13-8.......with line value of 2.7+: 7-3 (70%)
S3 - with sits.......3: 0-0.......2: 3-0.......1.5: 0-0.......1: 2-4.......0: 8-4.......-1: 1-3.......-1.5: 1-0.......-2: 0-1.......-3: 0-0


S4 - all games: 14-13.......not opposing sit: 12-7.......with line value of 3.2+: 10-3 (77%)
S4 - with sits.......3: 0-0.......2: 2-0.......1.5: 0-0.......1: 1-4.......0: 9-3.......-1: 1-4.......-1.5: 1-0.......-2: 0-2.......-3: 0-0



Basically, the playable games from this will end up being games that differ the most from the actual line but also don't oppose any situational angles. Makes sense, right? Those plays are being tracked where it says "with line value of x.x". The cutoff point of how much the value needs to differ from the actual line will change a little from week to week until things settle in. I'm just looking for where the pocket of strength is.

Week 10 was not as strong as Week 11 across the board but the line value plays held up nicely. Everything at 60% or better through two weeks, especially the first S4 at 11-3. Fourteen plays is an awful lot for two weeks so those will probably get tightened up a bit.
 

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We're looking for value in the actual line (act) compared to the skeleton lines S1 thru S4, which are what the lines should be based on my work. So we want the actual line to be better and the more the merrier. In other words, the better it is better, the better for the bettor ;) I also show my situational analysis (sit) graded 0 for none, 1 for minor, 2 for strong and 3 for very strong. I also have a temporary category at 1.5 for semi-strong which may end up a 1 or a 2 down the road.


WEEK 9 MATCHUPS

sit actS1S2S3S4
-1.5New Orleans-3.0-2.6-2.0-7.3-6.2
1.5Carolina 3.02.62.07.36.2
1San Diego2.52.14.22.77.0
-1Miami -2.5-2.1-4.2-2.7-7.0
1Jacksonville10.05.03.75.62.8
-1Cincinnati-10.0-5.0-3.7-5.6-2.8
1Tampa Bay7.010.213.114.119.9
-1Cleveland -7.0-10.2-13.1-14.1-19.9
0Washington-1.01.63.20.33.4
0Minnesota1.0-1.6-3.2-0.3-3.4
0Philadelphia-2.01.83.71.45.2
0Houston 2.0-1.8-3.7-1.4-5.2
3NY Jets9.011.513.917.121.8
-3Kansas City-9.0-11.5-13.9-17.1-21.8
0Arizona0.02.34.81.97.1
0Dallas 0.0-2.3-4.8-1.9-7.1
1St. Louis10.510.39.414.112.4
-1San Francisco-10.5-10.3-9.4-14.1-12.4
-1.5Denver-3.0-0.6-0.9-3.9-4.5
1.5New England3.00.60.93.94.5
1Oakland13.05.37.68.413.0
-1Seattle -13.0-5.3-7.6-8.4-13.0
0Baltimore2.0-1.6-0.2-3.2-0.3
0Pittsburgh -2.01.60.23.20.3
1.5Indianapolis-3.0-2.3-1.2-6.5-4.2
-1.5NY Giants3.02.31.26.54.2


RESULTS - Weeks 9-11, 40 games

S1 - all games: 20-19-1.......not opposing sit: 17-15-1.......with line value of 2.4+: 10-9-1 (53%)
S1 - with sits.......3: 0-0.......2: 3-0.......1.5: 1-1.......1: 6-5-1.......0: 7-9.......-1: 1-2.......-1.5: 1-1.......-2: 0-1.......-3: 1-0

S2 - all games: 20-19-1.......not opposing sit: 16-12-1.......with line value of 1.8+: 12-10-1 (55%)
S2 - with sits.......3: 0-0.......2: 2-0.......1.5: 1-1.......1: 4-4-1.......0: 9-7.......-1: 2-4.......-1.5: 1-1.......-2: 0-2.......-3: 1-0

S3 - all games: 21-18-1.......not opposing sit: 15-10-1.......with line value of 0.2+: 14-11-1 (56%)
S3 - with sits.......3: 0-0.......2: 2-0.......1.5: 1-0.......1: 3-3-1.......0: 9-7.......-1: 3-5.......-1.5: 2-1.......-2: 0-2.......-3: 1-0

S4 - all games: 19-19-1.......not opposing sit: 13-9-1.......with line value of 4.3+: 11-5-1 (69%)
S4 - with sits.......3: 0-0.......2: 1-0.......1.5: 1-0.......1: 1-3-1.......0: 10-6.......-1: 3-6.......-1.5: 2-1.......-2: 0-3.......-3: 1-0


And a slight variation (not pictured) for tracking purposes

S1 - all games: 20-18-1.......not opposing sit: 17-14-1.......with line value of 0.3+: 17-13-1 (57%)
S1 - with sits.......3: 0-0.......2: 3-0.......1.5: 1-1.......1: 5-5-1.......0: 8-8.......-1: 1-2.......-1.5: 1-1.......-2: 0-1.......-3: 1-0

S2 - all games: 18-21-1.......not opposing sit: 14-13-1.......with line value of 1.3+: 14-10-1 (58%)
S2 - with sits.......3: 0-0.......2: 1-0.......1.5: 1-1.......1: 3-5-1.......0: 9-7.......-1: 2-4.......-1.5: 1-1.......-2: 0-3.......-3: 1-0


S3 - all games: 20-19-1.......not opposing sit: 15-10.......with line value of 0.5+: 15-10 (60%)
S3 - with sits.......3: 0-0.......2: 0-0.......1.5: 1-0.......1: 3-5.......0: 11-5.......-1: 2-4-1.......-1.5: 2-1.......-2: 0-4.......-3: 1-0


S4 - all games: 20-19-1.......not opposing sit: 13-8-1.......with line value of 5.8+: 8-3 (73%)
S4 - with sits.......3: 0-0.......2: 1-0.......1.5: 1-0.......1: 0-3-1.......0: 11-5.......-1: 4-7.......-1.5: 2-1.......-2: 0-3.......-3: 1-0



Week 9 struggled a bit with the first S4 going 0-2-1 but still 11-5-1 (69%) for all plays that are 4.3+ points away from the actual line. The variation lines had a slight glitch that I corrected. I had to open up most of the line value plays (in bold) so the percentages dropped but those will all be tightened up eventually when things solidify a little. I would expect the stronger plays to eventually be at least 3 or 4 points away from the actual line and the only two that are there right now are both near 70% ATS after a handful of games.
 

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Good Luck! Hopefully you can find something.
 

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