Ranking Systems for D1 College Hockey (2008-2009)

© 1999-2008, Joe Schlobotnik (archives)

URL for this frameset: http://slack.net/~whelan/tbrw/tbrw.cgi?2009/rankings.shtml

Game results taken from College Hockey News's Division I composite schedule

Comparison Between Rankings

The following table lists the 58 teams eligible for the NCAA Division I Men's Ice Hockey Tournament.

Team Record RPI KRACH PWR
Rk W-L-T Pct. Rk Rating Rk Rating RRWP Rk Rating
Notre Dame 1 31-5-3 .8333 2 .5908 2 671.4 .8436 2 23
Boston Univ 2 31-6-4 .8049 1 .5963 1 711.8 .8507 1 24
Yale 3 24-7-2 .7576 6 .5554 10 245.4 .6837 5 20
Michigan 4 29-11 .7250 3 .5698 3 407.5 .7725 4 21
Air Force 5 27-10-2 .7179 14 .5339 29 98.61 .4970 14 11
Cornell 6 21-9-4 .6765 11 .5405 17 193.5 .6374 11 14
Northeastern 7 25-11-4 .6750 4 .5621 4 360.9 .7527 6 18
Princeton 8 22-11-1 .6618 13 .5367 20 178.4 .6210 12 13
Denver U 9 23-11-5 .6538 5 .5594 5 354.9 .7499 3 22
RIT 10 23-13-2 .6316 26 .5076 41 60.95 .3967
Vermont 11 20-11-5 .6250 7 .5499 6 289.1 .7140 9 16
North Dakota 12 24-14-4 .6190 9 .5439 8 267.6 .6999 8 17
St Lawrence 13 21-12-5 .6184 19 .5330 21 177.7 .6202 19 6
Minn-Duluth 14T 21-12-8 .6098 8 .5443 7 282.8 .7100 7 18
Ohio State 14T 23-14-4 .6098 15 .5338 16 200.0 .6440 15 9
Miami 16 20-12-5 .6081 12 .5369 15 216.8 .6599 13 12
New Hampshire 17 19-12-5 .5972 10 .5423 9 256.7 .6922 10 15
Mercyhurst 18 22-15-3 .5875 31 .4959 46 54.00 .3724
Boston Coll 19T 18-14-5 .5541 17 .5333 12 230.7 .6719 18 6
Minnesota 19T 17-13-7 .5541 20 .5328 13 226.7 .6686 17 9
CO College 21T 16-12-10 .5526 21 .5241 18 184.0 .6272 20 5
Mass-Lowell 21T 20-16-2 .5526 18 .5331 14 217.7 .6606 21 4
Wisconsin 23 20-16-4 .5500 16 .5336 11 240.6 .6799 16 9
Bemidji State 24 18-15-1 .5441 37 .4824 36 72.75 .4331
Niagara 25 16-14-6 .5278 42 .4716 44 55.79 .3789
Bentley 26 19-17-2 .5263 35 .4848 48 43.79 .3317
Union 27 19-17-3 .5256 29 .5013 30 91.02 .4801
Northern Mich 28 19-17-5 .5244 23 .5164 22 160.0 .5988 23 3
St Cloud 29 18-17-3 .5132 22 .5169 19 180.3 .6232 22 4
AK-Fairbanks 30 17-16-6 .5128 24 .5105 25 138.8 .5692 24 1
Dartmouth 31T 14-14-3 .5000 32 .4941 33 81.15 .4559
Quinnipiac 31T 18-18-3 .5000 34 .4885 34 75.85 .4418
Canisius 33 15-16-6 .4865 47 .4624 51 30.13 .2645
NE-Omaha 34 15-17-8 .4750 30 .4974 27 112.7 .5253
MSU-Mankato 35 15-17-6 .4737 25 .5092 23 157.2 .5951 25 0
AK-Anchorage 36 14-17-5 .4583 27 .5071 24 150.8 .5865
Mass-Amherst 37 16-20-3 .4487 28 .5020 26 123.4 .5444
Western Mich 38 14-20-7 .4268 36 .4840 31 87.68 .4722
Colgate 39 12-18-7 .4189 38 .4761 39 64.94 .4096
Ferris State 40T 12-19-7 .4079 41 .4726 37 69.55 .4238
Holy Cross 40T 13-20-5 .4079 50 .4530 52 25.05 .2344
Army 42 11-19-6 .3889 52 .4441 54 22.39 .2171
Harvard 43 9-16-6 .3871 43 .4679 45 55.06 .3763
Lake Superior 44T 11-20-8 .3846 40 .4734 35 74.67 .4385
Maine 44T 13-22-4 .3846 33 .4888 28 102.4 .5050
Clarkson 46T 10-19-7 .3750 44 .4644 47 51.94 .3647
Robert Morris 46T 10-19-7 .3750 54 .4318 50 31.33 .2712
Sacred Heart 48 11-23-4 .3421 53 .4382 56 19.19 .1947
Bowling Green 49T 11-24-3 .3289 45 .4644 40 63.73 .4058
Mich State 49T 10-23-5 .3289 39 .4753 32 84.37 .4641
Merrimack 51 9-21-4 .3235 46 .4636 42 58.37 .3880
RPI 52 10-27-2 .2821 51 .4474 49 37.04 .3007
Providence 53 7-22-5 .2794 48 .4594 43 56.44 .3812
Connecticut 54 9-26-2 .2703 56 .4211 57 14.93 .1617
AL-Huntsville 55T 5-20-5 .2500 57 .4013 55 21.16 .2088
Michigan Tech 55T 6-25-7 .2500 49 .4556 38 65.59 .4117
Brown 57 5-23-5 .2273 55 .4274 53 24.91 .2335
American Intl 58 5-28-2 .1714 58 .3832 58 6.699 .0826
Record
A team's winning percentage (Pct) is calculating by adding its wins to half its ties and dividing by the total number of games played. I.e., a tie counts as a half a win and half a loss, which is true for all the rating systems considered here.
RPI
The Ratings Percentage Index, a linear combination of a team's winning percentage (25%) with the winning percentages of their opponents (21%) and their opponents' opponents (54%), which is the most important of the NCAA's selection criteria. More information can be found on our RPI page. Note the value in our table includes the "bad wins" fudge but not the secret "quality wins" bonus. To calculate the ratings using a chosen value of the bonus, go to our Do-it-yourself ratings calculator.
KRACH
Ken's Rating for American College Hockey is an application of the Bradley-Terry method to college hockey; a team's rating is meant to indicate its relative strength on a multiplicative scale, so that the ratio of two teams' ratings gives the odds of each of them winning a game between them. The ratings are chosen so that the expected winning percentage for each team based on its schedule is equal to its actual winning percentage. The Round-Robin Winning Percentage (RRWP) is the winning percentage a team would be expected to accumulate if they played each other team an equal number of times. More information can be found on our KRACH page.
PWR
The PairWise Rating is determined by performing PairWise Comparisons (PWC) according to the NCAA's selection criteria between all teams with RPI's at or above .500 and totalling the number of comparisons each team wins. More information, including a breakdown of comparisons won and lost according to criteria, can be found on our PWC/PWR page.

See also

Last Modified: 2012 March 26

Joe Schlobotnik / joe@amurgsval.org

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