Quality Win Factor
The Quality Win Factor is computed either of two ways. First, it is computed in the
traditional way by defeating ranked teams (polls) and second, similar to the
first method, it is computed by defeating teams based on power ratings when no
polls exist.
QWF based on polls
The Quality Win Factor is based on the number of wins against quality
opponents. A quality opponent is defined as a team which is ranked in
the polls. The coaches poll is used and the number of quality teams will depend
on the number of teams listed in the poll. A victory against the number 1 ranked
team is worth 1.0 points and a victory against the 20th ranked team is worth 0.05
points. When ten teams exist in a poll, a victory against the best team is worth 1.0
points and a victory against the tenth team is worth 0.1 points.
Quality Points:
Victory 10 20 25
Against teams teams teams
1 1.0 1.0 1.0
2 0.9 0.95 0.96
3 0.8 0.90 0.92
4 0.7 0.85 0.88
5 0.6 0.80 0.84
6 0.5 0.75 0.80
7 0.4 0.70 0.76
8 0.3 0.65 0.72
9 0.2 0.60 0.68
10 0.1 0.55 0.64
11 - 0.50 0.60
12 - 0.45 0.56
13 - 0.40 0.52
14 - 0.35 0.48
15 - 0.30 0.44
16 - 0.25 0.40
17 - 0.20 0.36
18 - 0.15 0.32
19 - 0.10 0.28
20 - 0.05 0.24
21 - - 0.20
22 - - 0.16
23 - - 0.12
24 - - 0.08
25 - - 0.04
In college lacrosse Div I, Maryland would have accumulated the most Quality
Win points based on victories against: Duke, Towson, North Carolina, Bucknell,
Navy, Johns Hopkins and Virgina. The top 20 teams were based on the results
of the USLIA/STX Coaches Poll. The Quality Wins Factor is employed in the BCS
formula to compensate for teams that risk a loss against the highest rated teams.
Quality Wins Factor for Men's Division I Lacrosse (April 23, 2001)
No Name W L T Quality
Wins
1 Maryland 10 2 0 -3.50
2 Georgetown 10 1 0 -2.30
3 Virginia 5 6 0 -2.15
4 Princeton 9 1 0 -2.00
5 Loyola 8 2 0 -1.85
6 Syracuse 8 2 0 -1.85
7 Johns Hopkins 6 3 0 -1.80
8 Duke 10 4 0 -1.50
9 Notre Dame 11 1 0 -1.50
10 Towson 10 2 0 -1.25
11 Massachusetts 10 1 0 -1.15
12 UMBC 5 5 0 -1.10
13 Hofstra 7 5 0 -1.00
14 Navy 7 5 0 -1.00
15 North Carolina 5 6 0 -0.85
16 Harvard 6 6 0 -0.60
17 Pennsylvania 6 5 0 -0.50
18 Bucknell 9 3 0 -0.45
19 Penn State 5 6 0 -0.35
20 Army 6 5 0 -0.25
21 Rutgers 5 5 0 -0.25
22 Hobart 5 4 0 -0.10
23 Cornell 7 4 0 -0.05
24 Yale 6 6 0 -0.05
Based on USILA/STX Coaches Poll, April 23
No Team Votes
1 Princeton 200.
2 Syracuse 186.
3 Notre Dame 167.
4 Johns Hopkins 164.
5 Georgetown 160.
6 Maryland 158.
7 Loyola 138.
8 Massachusetts 130.
9 Duke 122.
10 Towson 118.
11 Bucknell 105.
12 Virginia 85.
13 Navy 75.
14 Cornell 70.
15 Hofstra 68.
16 UMBC 37.
17 Penn State 34.
18 North Carolina 28.
19 Army 26.
20 Pennsylvania 16.
Maryland QWF Results (see right column)
Date Opponent Conference (W-L, PR) Tp Score qwl
20
Date Opponent Conference (W-L, PR) Tp Score qwf
25
224 N Air Force Great Weste ( 3-10, 82.8) 0 16- 3 0.00
225 A Denver Great Weste ( 4- 5, 87.0) 0 10- 7 0.00
304 H Duke ACC (10- 4, 93.1) 9 13- 5 0.60
310 A Towson Colonial (10- 2, 95.2) 10 9- 7 0.55
317 A Delaware Colonial ( 5- 8, 89.0) 0 10- 4 0.00
324 H North Carolina ACC ( 5- 6, 92.4) 18 11- 7 0.15
327 H Bucknell Patriot ( 9- 3, 92.6) 11 8- 4 0.50
331 A Virginia ACC ( 5- 6, 94.7) 12 2- 7 0.00
407 A Navy ECAC ( 7- 5, 95.5) 13 6- 5 0.40
414 H Johns Hopkins Independent ( 6- 3, 96.3) 4 10- 9 0.85
420 N Virginia ACC ( 5- 6, 94.7) 12 12- 8 0.45
422 N Duke ACC (10- 4, 93.1) 9 6-10 0.00
----- -----
92.21 3.50
Maryland beat Duke (ranked at the time 9th), Towson (ranked 10), Bucknell
(ranked 11th), North Carolina (ranked 18th), Navy (ranked 13th),
Johns Hopkins (ranked 4th) and Virginia (ranked 12th) yielding: 0.60 + 0.55
+ 0.15 + 0.50 + 0.40 + 0.85 +0.45 or 3.50 total quality win points.
QWF based on power ratings
Instead of using poll rankings, teams are rated based on their power rating.
In 2006, Southern California's Football team had the highest QWF based on the
power ratings because of wins against Arkansas, Nebraska, Oregon, California
and Notre Dame. It scored QW points against teams not ranked in the polls
such as Arizona, Washington State, Washington and others. These non-ranked
teams contribution are based on their power rating divided by 119 (total
number of teams playing divsion I-A as comared with considering only teams
rated in the polls (previous method) which make no contribution to the total
number of waulity points.
USC 10 - 2 pr = 95.82 sos = 80.41
Date Opponent Conference (W-L, PR) Tp Score qwf
20
902 A Arkansas SEC West (10- 3, 81.3) 12 50-14 0.74
916 H Nebraska Big 12 North ( 9- 4, 86.8) 22 28-10 0.87
923 A Arizona PAC 10 ( 6- 6, 77.4) 20- 3 0.66
930 A Washington State PAC 10 ( 6- 6, 77.7) 28-22 0.67
1007 H Washington PAC 10 ( 5- 7, 75.6) 26-20 0.61
1014 H Arizona State PAC 10 ( 7- 5, 82.0) 28-21 0.76
1028 A Oregon State PAC 10 ( 9- 4, 82.9) 24 31-33
1104 A Stanford PAC 10 ( 1-11, 61.6) 42- 0 0.19
1111 H Oregon PAC 10 ( 7- 5, 82.9) 35-10 0.81
1118 H California PAC 10 ( 9- 3, 90.2) 23- 9 0.94
1125 H Notre Dame IND (10- 2, 83.5) 11 44-24 0.82
1202 A UCLA PAC 10 ( 7- 5, 82.8) 9-13
----- -----
80.4 7.08
Notice all the wins received quality win points and not just against teams
that were ranked in the polls.
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