CIR

Coaching Impact Rating

Measures wins above expectation for a coach. Compares actual win percentage against expected wins based on roster talent, accounting for playoff overperformance.

Formula

(Win% vs Expected Win% x 200) + (Playoff Series Win% x 50) + (Defensive Rating Improvement x 10)

Win % vs Expectedcoach_win_pct_vs_expected (20%)

Playoff Series Win %coach_playoff_series_win_pct (20%)

Defensive Rating Improvementcoach_defensive_rating_improvement (15%)

Avg Player Improvementcoach_avg_player_improvement (15%)

Role Player Valuecoach_role_player_value (15%)

Coaching Tree Branchescoach_tree_branches (15%)

Grade Scale

A+

A-

B+

B-

Benchmarks

Gregg Popovich93.2

Phil Jackson86.4

Pat Riley82.9

Erik Spoelstra76.2

Steve Kerr76

Data Sources

Basketball-Reference.comNBA.com/stats

Grade Interpretations

A+

All-time great coach. Consistently maximizes roster talent and dominates in playoffs.

Elite coaching. Teams regularly outperform expectations under their leadership.

A-

Very strong coach. Notable improvement wherever they go.

B+

Above-average coach. Gets more from rosters than expected.

Competent coach. Meets expectations with occasional overperformance.

B-

Developing coach. Still building track record of consistent results.

Coaching Impact Rating Leaderboard

#	Entity	Score	Grade	Interpretation
	Gregg Popovichperson	93.2	A+	All-time great coach. Consistently maximizes roster talent and dominates in playoffs.
	Phil Jacksonperson	86.4	A	Elite coaching. Teams regularly outperform expectations under their leadership.
	Pat Rileyperson	82.9	A	Elite coaching. Teams regularly outperform expectations under their leadership.
4	Red Holzmanperson	80.3	A-	Very strong coach. Notable improvement wherever they go.
5	Chuck Dalyperson	78.0	A-	Very strong coach. Notable improvement wherever they go.
6	Erik Spoelstraperson	76.2	A-	Very strong coach. Notable improvement wherever they go.
7	Larry Birdperson	76.2	B+	Strong coaching performance with consistent overachievement relative to roster talent expectations.
8	Steve Kerrperson	76.0	A-	Very strong coach. Notable improvement wherever they go.
9	Larry Brownperson	73.8	B+	Above-average coach. Gets more from rosters than expected.
10	Jerry Sloanperson	72.9	B+	Above-average coach. Gets more from rosters than expected.
11	Jerry Westperson	71.3	B+	Solid coaching performance with measurable team improvement and player development success.
12	Tom Thibodeauperson	69.9	B+	Above-average coach. Gets more from rosters than expected.
13	Jack Ramsayperson	68.3	B+	Above-average coach. Gets more from rosters than expected.
14	Doc Riversperson	61.7	B	Competent coach. Meets expectations with occasional overperformance.
15	Quinn Snyderperson	61.1	B	Competent coach. Meets expectations with occasional overperformance.
16	Don Nelsonperson	60.8	B	Competent coach. Meets expectations with occasional overperformance.
17	Ime Udokaperson	60.8	B	Competent coach. Meets expectations with occasional overperformance.
18	Stan Van Gundyperson	59.6	B	Competent coach. Meets expectations with occasional overperformance.
19	Kenny Atkinsonperson	53.5	B	Competent coach. Meets expectations with occasional overperformance.
20	Monty Williamsperson	50.0	B	Competent coach. Meets expectations with occasional overperformance.
21	Terry Stottsperson	48.9	B-	Developing coach. Still building track record of consistent results.
22	Brett Brownperson	47.4	B-	Developing coach. Still building track record of consistent results.
23	Rick Pitinoperson	46.3	B-	Developing coach. Still building track record of consistent results.
24	Darvin Hamperson	41.1	B-	Developing coach. Still building track record of consistent results.
25	Sergio Scarioloperson	40.5	B-	Developing coach. Still building track record of consistent results.
26	Tom Izzoperson	32.1	C	Competent coach. Meets expectations with occasional overperformance.
27	Mike Montgomeryperson	29.5	C	Competent coach. Meets expectations with occasional overperformance.