NBA 2015 Final Power Ratings


No. 1 Golden State Warriors (4)
[24-week ESPN rating: 1
21-week Abacus rating: 1
18-week Abacus rating: 1
15-week Abacus rating: 1
12-week Abacus rating: 1
9-week Abacus rating: 1
6-week Abacus rating: 1
3-week Abacus rating: 5]

67-15, .817; 1st in Pacific Division / 1st seed / 1st overall
KK:  +26; (28 Road Wins – 2 Home Losses) / No. 1 overall
CQ:  +36; (.510 [3rd] - .474 [2nd]) / No. 1 overall
SPOR-t:  +51; (576 [5th] – 525 [3rd]) / No. 1 overall 

No. 2 Los Angeles Clippers (14.5)
[24-week ESPN rating: 4
21-week Abacus rating: 3
18-week Abacus rating: 3
15-week Abacus rating: 5
12-week Abacus rating: 8
9-week Abacus rating: 9
6-week Abacus rating: 8
3-week Abacus rating: 19]

56-26, .683; 2nd in Pacific Division / 3rd seed / 3rd overall (tied)
KK:  +15; (26 Road Wins – 11 Home Losses) / No. 3 overall (tied)
CQ:  +29; (.524 [1st] - .495 [17th]) / No. 2 overall (tied)
SPOR-t:  +36; (575 [6th] – 539 [8th]) / No.  5 overall

No. 3 Memphis Grizzlies (17.5)
[24-week ESPN rating: 8
21-week Abacus rating: 2
18-week Abacus rating: 2
15-week Abacus rating: 2
12-week Abacus rating: 2
9-week Abacus rating: 3
6-week Abacus rating: 2
3-week Abacus rating: 1]

55-27, .670; 2st in Southwest Division / 5nd seed / 5th overall (tied)
KK:  +14; (24 Road Wins – 10 Home Losses) / No. 5 overall (tied)
CQ:  +29; (.505 [8th] - .476 [3rd]) / No. 2 overall (tied)
SPOR-t:  +37; (566 [11th] – 529 [7th]) / No. 4 overall

No. 4 San Antonio Spurs (21.5)
[24-week ESPN rating: 2
21-week Abacus rating: 4
18-week Abacus rating: 6
15-week Abacus rating: 7
12-week Abacus rating: 7
9-week Abacus rating: 11
6-week Abacus rating: 4
3-week Abacus rating: 10]

55-27, .671; 2nd in Southwest Division / 4th seed / 5th overall (tied)
KK:  +14; (22 Road Wins – 8 Home Losses) / No. 5 overall (tied)
CQ:  +21; (.503 [9th] - .482 [7th]) / No. 4 overall (tied)
SPOR-t:  +34; (559 [12th] – 525 [3rd]) / No. 6 overall

No. 5 Atlanta Hawks (28)
[24-week ESPN rating: 5
21-week Abacus rating: 6
18-week Abacus rating: 4
15-week Abacus rating: 4
12-week Abacus rating: 5
9-week Abacus rating: 8
6-week Abacus rating: 13
3-week Abacus rating: 15]

60-22, .732; 1st in Southeast Division / 1st seed / 2nd overall
KK:  +19; (25 Road Wins – 6 Home Losses) / No. 2 overall
CQ:  +21; (.495 [14th] - .474 [1st]) / No. 4 overall (tied)
SPOR-t:  -6; (534 [25th] – 540 [9th]) / No. 19 overall (tied)

No. 6 Washington Wizards (33.5)
[24-week ESPN rating: 14
21-week Abacus rating: 8
18-week Abacus rating: 8
15-week Abacus rating: 6
12-week Abacus rating: 4
9-week Abacus rating: 4
6-week Abacus rating: 5
3-week Abacus rating: 4]

46-36, .561; 2nd in Southeast Division / 5th seed / 12th overall
KK:  +5; (17 Road Wins – 12 Home Losses) / No. 12 overall
CQ:  +17; (.497 [13th] - .480 [6th]) / No. 6 overall (tied)
SPOR-t:  +39; (557 [14th] – 518 [2nd]) / No. 3 overall

No. 7 Cleveland Cavaliers (35.5)
[24-week ESPN rating: 3
21-week Abacus rating: 4
18-week Abacus rating: 9
15-week Abacus rating: 13
12-week Abacus rating: 17
9-week Abacus rating: 12
6-week Abacus rating: 10
3-week Abacus rating: 12]

53-29, .646; 1st in Central Division / 2nd seed / 7th overall
KK:  +12; (22 Road Wins – 10 Home Losses) / No. 7 overall
CQ:  +9; (.506 [7th] - .497 [19th]) / No. 9 overall (tied)
SPOR-t:  +8; (578 [3rd] – 570 [23rd]) / No. 12 overall  

No. 8 Dallas Mavericks (38.5)
[24-week ESPN rating: 10
21-week Abacus rating: 9
18-week Abacus rating: 5
15-week Abacus rating: 3
12-week Abacus rating: 2
9-week Abacus rating: 4
6-week Abacus rating: 3
3-week Abacus rating: 2]

50-32, .610; 4th in Southwest Division / 7th seed / 9th overall (tied)
KK:  +9; (23 Road Wins – 14 Home Losses) / No. 9 overall (tied)
CQ:  +17; (.509 [4th] - .492 [14th]) / No. 6 overall (tied)
SPOR-t:  +4; (568 [7th] – 564 [20th]) / No. 13 overall

No. 9 Houston Rockets (40)
[24-week ESPN rating: 7
21-week Abacus rating: 10
18-week Abacus rating: 10
15-week Abacus rating: 9
12-week Abacus rating: 8
9-week Abacus rating: 10
6-week Abacus rating: 9
3-week Abacus rating: 3]

56-26, .683; 1st in Southwest Division / 2nd seed / 3rd overall (tied)
KK:  +15; (26 Road Wins – 11 Home Losses) / No. 3 overall (tied)
CQ:  +5; (.490 [20th] - .485 [8th]) / No. 13 overall (tied)
SPOR-t:  -6; (546 [21st] – 552 [14th]) / No. 19 overall (tied)

No. 9 Oklahoma City Thunder (40)
[24-week ESPN rating: 15
21-week Abacus rating: 7
18-week Abacus rating: 7
15-week Abacus rating: 10
12-week Abacus rating: 11
9-week Abacus rating: 14
6-week Abacus rating: 22
3-week Abacus rating: 28]

45-37, .549; 2nd in Northwest Division / 8th seed / 13th overall (tied)
KK:  +4; (16 Road Wins – 12 Home Losses) / No. 13 overall (tied)
CQ:  +8; (.503 [10th] - .495 [16th]) / No. 11 overall
SPOR-t:  +43; (590 [1st] – 547 [11th]) / No. 2 overall

No. 11 Chicago Bulls (43)
[24-week ESPN rating: 6
21-week Abacus rating: 11
18-week Abacus rating: 13
15-week Abacus rating: 11
12-week Abacus rating: 12
9-week Abacus rating: 7
6-week Abacus rating: 11
3-week Abacus rating: 8]

50-32, .610; 2nd in Central Division / 3rd seed / 9th overall (tied)
KK:  +9; (23 Road Wins – 14 Home Losses) / No. 9 overall (tied)
CQ:  +0; (.500 [11th] - .491 [13th]) / No. 9 overall (tied)
SPOR-t:  +3; (568 [9th] – 565 [21st]) / No. 14 overall (tied)

No. 12 Milwaukee Bucks (46)
[24-week ESPN rating: 18
21-week Abacus rating: 14
18-week Abacus rating: 16
15-week Abacus rating: 14
12-week Abacus rating: 15
9-week Abacus rating: 16
6-week Abacus rating: 16
3-week Abacus rating: 13]

41-41, .500; 3rd in Central Division / 6th seed / 15th overall
KK:  0; (18 Road Wins – 18 Home Losses) / No. 15 overall
CQ:  +10; (.486 [24th] - .476 [4th]) / No. 8 overall
SPOR-t:  +14; (542 [23rd] – 528 [6th]) / No. 8 overall  

No. 13 Portland Trail Blazers (50)
[24-week ESPN rating: 9
21-week Abacus rating: 13
18-week Abacus rating: 11
15-week Abacus rating: 12
12-week Abacus rating: 10
9-week Abacus rating: 6
6-week Abacus rating: 5
3-week Abacus rating: 9]

51-31, .622; 1st in Northwest Division / 6th seed / 8th overall
KK:  +10; (19 Road Wins – 9 Home Losses) / No. 8 overall
CQ:  -2; (.489 [23rd] - .491 [12th]) / No. 16 overall (tied)
SPOR-t:  0; (553 [17th] – 553 [15th]) / No. 17 overall (tied)

No. 14 New Orleans Pelicans (51)
[24-week ESPN rating: 15
21-week Abacus rating: 15
18-week Abacus rating: 14
15-week Abacus rating: 14
12-week Abacus rating: 13
9-week Abacus rating: 13
6-week Abacus rating: 14
3-week Abacus rating: 11]

45-37, .549; 5th in Southwest Division / 8th seed / 13th overall (tied)
KK:  +4; (17 Road Wins – 13 Home Losses) / No. 13 overall (tied)
CQ:  +2; (.508 [5th] - .506 [25th]) / No. 15 overall
SPOR-t:  +12; (588 [2nd] – 576 [26th]) / No. 9 overall  

No. 15 Toronto Raptors (53)
[24-week ESPN rating: 11
21-week Abacus rating: 11
18-week Abacus rating: 12
15-week Abacus rating: 8
12-week Abacus rating: 6
9-week Abacus rating: 2
6-week Abacus rating: 7
3-week Abacus rating: 7]

49-33, .598; 1st in Atlantic Division / 4th seed / 11th overall
KK:  +8; (22 Road Wins – 14 Home Losses) / No. 11 overall
CQ:  +5; (.511 [2nd] - .506 [24th]) / No. 13 overall (tied)
SPOR-t:  0; (578 [3rd] – 578 [28th]) / No. 17 overall (tied)

ABACUS INFOMERCIAL:

Fans and pundits alike are singing the praises of rookie Golden State coach Steve Kerr. His high-scoring Warriors lead the Association in overall field goal shooting as well as 3-point shooting. Defensively, they also rank first and fifth respectively in those categories. (Only the Hawks and Bucks have matched this achievement.) Perhaps we should, though, detain Kerr in the Mt. Rushmore Green Room a bit longer. The bastions of the Bay Area, under the helm of the deposed Mark Jackson, turned that very trick last season as well. The only other coach who can make that claim goes by “Pop” – and he still has a job.

No. 16 Utah Jazz (57)
[24-week ESPN rating: 13
21-week Abacus rating: 16
18-week Abacus rating: 17
15-week Abacus rating: 20
12-week Abacus rating: 23
9-week Abacus rating: 22
6-week Abacus rating: 25
3-week Abacus rating: 22]

38-44, .463; 3rd in Northwest Division / 11th seed / 18th overall (tied)*
KK:  -3; (17 Road Wins – 20 Home Losses) / No. 18 overall (tied)*
CQ:  +6; (.497 [12th] - .491 [11th]) / No. 12 overall
SPOR-t:  +31; (574 [7th] – 543 [10th]) / No. 7 overall

No. 17 Indiana Pacers (67)
[24-week ESPN rating: 16
21-week Abacus rating: 19
18-week Abacus rating: 18
15-week Abacus rating: 19
12-week Abacus rating: 22
9-week Abacus rating: 21
6-week Abacus rating: 23
3-week Abacus rating: 23]

38-44, .463; 4th in Central Division / 8th seed / 18th overall (tied)*
KK:  -3 (15 Road Wins – 18 Home Loss) / No. 18 overall (tied)*
CQ:  -3; (.484 [26th] - .487 [19th]) / No. 18 overall (tied)
SPOR-t:  +10; (535 [24th] – 525 [3rd]) / No. 10 overall (tied)

No. 18 Boston Celtics (69)
[24-week ESPN rating: 17
21-week Abacus rating: 21
18-week Abacus rating: 23
15-week Abacus rating: 22
12-week Abacus rating: 25
9-week Abacus rating: 19
6-week Abacus rating: 18
3-week Abacus rating: 17]

40-42, .488; 2nd in Atlantic Division / 7th seed / 16th overall
KK:  -1; (19 Road Wins – 20 Home Losses) / No. 16 overall
CQ:  -7; (.485 [25th] - .492 [15th]) / No. 22 overall (tied)
SPOR-t:  +3; (552 [18th] – 549 [14th]) / No. 14 overall (tied)

No. 19 Detroit Pistons (76.5)
[24-week ESPN rating: 24
21-week Abacus rating: 21
18-week Abacus rating: 21
15-week Abacus rating: 18
12-week Abacus rating: 20
9-week Abacus rating: 26
6-week Abacus rating: 29
3-week Abacus rating: 27]

32-50, .390; 5th in Central Division / 12th seed / 23rd overall
KK:  -9; (14 Road Wins – 23 Home Losses) / No. 23 overall
CQ:  -4; (.492 [19th] - .496 [18th]) / No. 20 overall
SPOR-t:  +10; (571 [8th] – 561 [17th]) / No. 10 overall (tied)

No. 20 Charlotte Hornets (78.5)
[24-week ESPN rating: 22
21-week Abacus rating: 17
18-week Abacus rating: 15
15-week Abacus rating: 16
12-week Abacus rating: 16
9-week Abacus rating: 24
6-week Abacus rating: 24
3-week Abacus rating: 21]

33-49, .402; 4th in Southeast Division / 11th seed / 22nd overall
KK:  -8; (14 Road Wins – 22 Home Losses) / No. 22 overall
CQ:  -3; (.476 [28th] - .479 [5th]) / No. 18 overall (tied)
SPOR-t:  +2; (519 [28th] – 517 [1st]) / No. 16 overall  

No. 21 Phoenix Suns (81)
[24-week ESPN rating: 21
21-week Abacus rating: 17
18-week Abacus rating: 19
15-week Abacus rating: 17
12-week Abacus rating: 14
9-week Abacus rating: 15
6-week Abacus rating: 15
3-week Abacus rating: 18]

39-43, .476; 3rd in Pacific Division / 10th seed / 17th overall
KK:  -2; (17 Road Wins – 19 Home Losses) / No. 17 overall
CQ:  -9; (.489 [22nd] - .498 [20th]) / No. 24 overall
SPOR-t:  -17; (546 [21st] – 563 [18th]) / No. 22 overall (tied)*

No. 22 Brooklyn Nets (86.5)
[24-week ESPN rating: 19
21-week Abacus rating: 23
18-week Abacus rating: 22
15-week Abacus rating: 23
12-week Abacus rating: 24
9-week Abacus rating: 18
6-week Abacus rating: 19
3-week Abacus rating: 15]

38-44, .463; 3rd in Atlantic Division / 8th seed / 18th overall (tied)*
KK:  -3; (19 Road Wins – 22 Home Losses) / No. 18 overall (tied)*
CQ:  -7; (.494 [15th] - .501 [22nd]) / No. 22 overall (tied)
SPOR-t:  -28; (548 [20th] – 576 [26th]) / No. 26 overall

No.23 Sacramento Kings (89.5)
[24-week ESPN rating: 26
21-week Abacus rating: 24
18-week Abacus rating: 24
15-week Abacus rating: 25
12-week Abacus rating: 19
9-week Abacus rating: 17
6-week Abacus rating: 12
3-week Abacus rating: 6]

29-53, .354; 4th in Pacific Division / 13th seed / 25th overall
KK:  -12; (11 Road Wins – 23 Home Losses) / No. 25 overall
CQ:  -2; (.506 [6th] - .508 [26th]) / No. 16 overall (tied)
SPOR-t:  -11; (557 [14th] – 574 [25th]) / No. 22 overall (tied)*

No. 24 Miami Heat (90)
[24-week ESPN rating: 20
21-week Abacus rating: 20
18-week Abacus rating: 20
15-week Abacus rating: 21
12-week Abacus rating: 21
9-week Abacus rating: 23
6-week Abacus rating: 21
3-week Abacus rating: 14]

37-45, .451; 3rd in Southeast Division / 10th seed / 21th overall
KK:  -4; (17 Road Wins – 21 Home Losses) / No. 21 overall
CQ:  -6; (.493 [16th] - .499 [21st]) / No. 21 overall
SPOR-t:  -32; (531 [26th] – 563 [18th]) / No. 27 overall  

No. 25 Denver Nuggets (94.5)
[24-week ESPN rating: 23
21-week Abacus rating: 25
18-week Abacus rating: 25
15-week Abacus rating: 24
12-week Abacus rating: 18
9-week Abacus rating: 19
6-week Abacus rating: 17
3-week Abacus rating: 24]

30-52, .366; 4th in Northwest Division / 12th seed / 24th overall
KK:  -11; (11 Road Wins – 22 Home Losses) / No. 24 overall
CQ:  -21; (.490 [21st] - .511 [27th]) / No. 25 overall (tied)
SPOR-t:  -10; (558 [13th] – 568 [22nd]) / No. 21 overall

No. 26 Orlando Magic (102.5)
[24-week ESPN rating: 25
21-week Abacus rating: 27
18-week Abacus rating: 27
15-week Abacus rating: 27
12-week Abacus rating: 26
9-week Abacus rating: 24
6-week Abacus rating: 20
3-week Abacus rating: 20]

25-57, .305; 5th in Southeast Division / 13th seed / 26th overall
KK:  -16; (12 Road Wins – 28 Home Losses) / No. 26 overall
CQ:  -21; (.481 [27th] - .502 [23rd]) / No. 25 overall (tied)
SPOR-t:  -24; (530 [27th] – 554 [16th]) / No. 25

No. 27 Los Angeles Lakers (104)
[24-week ESPN rating: 28
21-week Abacus rating: 26
18-week Abacus rating: 26
15-week Abacus rating: 26
12-week Abacus rating: 27
9-week Abacus rating: 27
6-week Abacus rating: 26
3-week Abacus rating: 29]

21-61, .256; 5th in Pacific Division / 14th seed / 27th overall
KK:  -20; (9 Road Wins – 29 Home Losses) / No. 27 overall
CQ:  -27; (.492 [17th] - .519 [29th]) / No. 27 overall
SPOR-t:  -17; (554 [16th] – 571 [24th]) / No. 22 overall (tied)*

No. 28 Philadelphia 76ers (115)
[24-week ESPN rating: 27
21-week Abacus rating: 29
18-week Abacus rating: 29
15-week Abacus rating: 29
12-week Abacus rating: 29
9-week Abacus rating: 20
6-week Abacus rating: 30
3-week Abacus rating: 30]

18-64, .220; 4th in Atlantic Division / 14th seed / 28th overall
KK:  -23; (6 Road Wins – 29 Home Losses) / No. 28 overall
CQ:  -39; (.451 [30th] - .490 [10th]) / No. 29 overall
SPOR-t:  -66; (485 [30th] – 551 [13th]) / No. 30 overall

No. 29 New York Knicks (116)
[24-week ESPN rating: 29
21-week Abacus rating: 30
18-week Abacus rating: 30
15-week Abacus rating: 30
12-week Abacus rating: 30
9-week Abacus rating: 29
6-week Abacus rating: 28
3-week Abacus rating: 25]

17-65, .207; 5th in Atlantic Division / 15th seed / 29th overall
KK:  -24; (7 Road Wins – 31 Home Losses) / No. 29 overall
CQ:  -47; (.465 [29th] - .512 [28th]) / No. 30 overall
SPOR-t:  -61; (519 [28th] – 581 [29th]) / No. 28 overall

No. 30 Minnesota Timberwolves (117)
[24-week ESPN rating: 30
21-week Abacus rating: 28
18-week Abacus rating: 28
15-week Abacus rating: 28
12-week Abacus rating: 28
9-week Abacus rating: 28
6-week Abacus rating: 27
3-week Abacus rating: 26]

16-66, .195; 5th in Northwest Division / 15th seed / 30th overall
KK:  -25; (7 Road Wins – 32 Home Losses) / No. 30 overall
CQ:  -29; (.492 [18th] - .521 [30th]) / No. 28 overall
SPOR-t:  -64; (552 [18th] – 616 [30th]) / No. 29 overall


Power Ratings --The Measurement Instrument

Our team-ranking tool utilizes four elements. Two scales are based solely on team wins and losses; the others are measures of the efficiency of team performance in comparison with the competition. First, we’ll simply use win-loss record irrespective of conference.

The second criterion will be the difference between a team’s road wins and its home losses. Since this cute little metric is said to be a personal favorite of veteran NBA coach George Karl, let’s call this the Karl Kount (KK).

Criterion No. 3, Conversion Quotient (CQ), involves the rate at which a team converts its possessions into a successful field goals or free throw attempts. Like the KK, the computation is simple subtraction—a team’s rate of offensive efficiency minus that of the opponent.

Lastly, please allow Abacus to introduce the “SPOR-t” score. SPOR-t stands for “Shooting Plus Offensive Rebounds minus turnovers.” Add a team’s FG percentage and its offensive rebounding percentage (o. boards divided by the sum of those o. boards and the opposition's d. boards). Then subtract the percentage of a team’s possessions lost to turnovers. For example, a team shoots field goals at a .488 clip, offensive rebounds at a rate of .199, and commits a turnover on .143 of its possessions. So its SPOR-t is (488+199-143) or 544. Once again, our measurement will be the difference between the SPOR-t scores of a team and its opposition.

We’ll rank the teams from 1 to 30 in all criteria and simply add up the rankings. Low score wins, naturally.

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