Computer Rating System Prediction Results for Pro football (NFL)

2009 Last Week

System Pct. Correct Against Spread Absolute Error Bias Mean Square Error games suw sul atsw atsl
Nationalsportsrankings0.750000.7500018.3750-11.27500333.2960043131
Pythagorean Ratings0.727270.7272714.1973-5.83900266.37400118383
What If Sports0.636360.6363613.0182-7.50000235.87500117474
Sportrends0.818180.6363614.4527-5.49800272.83100119274
Stat Fox0.454550.6363615.3636-8.70000324.93100115674
Scoring Effeciency0.727270.6363614.3600-5.45200274.76900118374
Eric Hollobaugh0.727270.6363614.2645-5.74900266.84400118374
RP Excel0.454550.6363616.4545-9.80000351.79600115674
Computer Adjusted Line0.545450.6000014.6818-4.25000272.76900116532
Wunderdog Sports0.500000.5555615.2000-6.60000293.64400105554
Dwiggins0.666670.5555615.6000-6.27500311.6110096354
Sonny Moore0.545450.5454515.8600-7.67000312.69500116565
PerformanZ Ratings0.636360.5454514.8118-7.26900293.03300117465
Nutshell Combo0.545450.5454515.6318-6.41100313.81300116565
YourLinx0.545450.5454515.5618-5.56800330.04900116565
Sagarin Predictive0.636360.5454514.5236-6.81400284.73200117465
Covers.com0.636360.5454514.4236-2.27300282.20500117465
NutShell Sports0.636360.5454514.9400-7.26000301.41800117465
Schmidt Comp. Ratings0.727270.5454514.7527-5.06000289.45500118365
Kambour Rating0.636360.5454514.9000-5.13300267.89800117465
Jonathan Wilson0.727270.5454514.3273-6.15000293.94900118365
Grid Iron Gold0.636360.5000015.0000-5.00000291.10000117455
Pete Prisco0.500000.5000014.8000-1.80000345.47600105555
LS - w/ team HFA0.636360.4545515.9936-6.11400339.48800117456
Steven Jens0.545450.4545515.2909-5.08000303.16900116556
Pigskin Index0.545450.4545515.6364-6.99900315.83900116556
Tom Benson0.545450.4545516.1636-5.69200306.12600116556
TheSportsCruncher0.454550.4545515.0000-6.49000301.86100115656
Strengthranking.com0.454550.4545516.1045-8.03600355.71000115656
Beck Elo0.363640.4545515.6782-7.86300324.75300114756
Lee Burdorf0.363640.4545517.7100-11.38900423.42200114756
Dokter Entropy0.636360.4545515.0545-4.66800287.68600117456
Harmon Forcast0.636360.4545515.0000-4.70000273.09100117456
Sagarin0.636360.4545514.6564-4.89100280.67800117456
Sagarin Elo0.636360.4545514.6618-2.80200288.49800117456
JFM Power Ratings0.727270.4545515.3255-5.66900306.22600118356
Upset Report0.727270.4545514.7273-8.85000282.49300118356
Game Time Decision0.727270.4545514.4991-4.39900285.70300118356
John Coffey0.727270.4545514.3782-4.06500275.31500118356
System Average0.636360.4545514.6900-5.83600284.78600117456
Bihl Rankings0.727270.4545514.2455-4.60700265.40000118356
Massey Ratings0.636360.4545514.8518-5.90000289.70000117456
Ashby AccuRatings0.727270.4545514.1809-6.09900271.94600118356
NFL Pickles0.333330.4444417.2222-4.67500335.1110093645
Hank Trexler0.636360.4444414.5455-5.10000275.49900117445
Reistertown Index0.636360.4000014.6364-4.80000286.69600117446
Stephen Kerns0.545450.4000014.9818-6.84000327.86700116546
Line (opening)0.636360.3750015.3636-3.60000324.95400117435
Least Abs. Val Reg0.636360.3636414.6045-6.74400287.11500117447
Kasulis Enhanced Spread0.363640.3636416.2182-7.56000346.55900114747
System Median0.636360.3636414.8745-5.72000290.43300117447
Nutshell Girl0.636360.3636416.3218-5.56300339.74300117447
Least Squares0.636360.3636414.7545-6.95500295.19500117447
Pat Laffaye0.545450.3636414.7045-6.78000286.26900116547
Logistic Regression0.454550.3636414.9545-4.77000303.34500115647
Roger Johnson0.636360.3636414.5164-5.70600283.69200117447
CPA Retro Rankings0.545450.3636416.0018-4.70400341.15200116547
CPA Rankings0.545450.3636415.6836-4.91900327.72500116547
ARGH Power Ratings0.727270.3636413.8182-4.50000267.47500118347
Brian Gabrielle0.700000.3333314.9500-5.05000294.27500107336
Dunkel Index0.545450.2727315.9009-3.80900331.41500116538
Line (updated)0.5454514.7727-3.85000275.593001165