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Independent NHL officiating analytics. Tracking referee performance through grounded stats and transparent methodology.

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← Officials

Referee profile

Corey Syvret#23

NHL Referee · 2025-26 · all · 243 games tracked

From
Millgrove, ON
NHL Debut
4/4/18
Career Games
378
Stripe Score
47.3
Below avg
Consistency Index
1.06
Lower = more consistent
Home Cooking
0.19
League ≈ 0
Leverage
D
OT/playoff vs base
Games
68
465 calls
Pen / 60
6.81
League 7.50
Gap Rhythm
290.9
Avg 5:49 / STDDEV s
Discipline
0.27
Misconducts + bench minors / 60
Make-Up Window
89%
Cross-team penalty within 10m
First Penalty
8:19
Avg time of first P1 call

In-game patterns

Methodology →
P1
7.10
P2
7.94
P3
5.38
OT
6.70
Calls per game in each period.
Late-period suppression
-39%
Calls 39% MORE penalties in final 2 min than proportional.
Power play chain rate
19%
19% of his power-play-creating penalties are followed by another call before the first PP expires.
Opening 5 vs closing 5
-0.14
Calls 0.14 more penalties per minute in P3's closing 5 than P1's opening 5 — finishes hot.

Score-state calling

Methodology →
Tied
2.12
1-goal
2.62
Blowout
0.94
Calls per game when the score margin is tied / 1-goal / 3+ goals.

Player-context calling

Methodology →
High-TOI vs Low-TOI ratio
0.29
Calls 71% fewer penalties on STAR / Top-6 players than ice time would predict — leniency to top forwards.

Call type breakdown

Methodology →
TRIPPING
1.22
Per game
83
Calls
46.3
League pct
ok
Sample
HOLDING
0.82
Per game
56
Calls
85.4
League pct
ok
Sample
HIGH_STICKING
0.79
Per game

Teams under this referee

Methodology →
Sharks-3
9
Games
-0.33
Diff / game
27
Pens drawn
30
Pens taken
Drill in →
Golden Knights+3
9
Games
+0.33
Diff / game
24
Pens drawn

Most frequent partners

Partner data is navigation-only per launch stats catalog v2 §9. Pair-level rate stats carry small-sample warnings.

PartnerGames togetherSample
Wes McCauley8ok
Kelly Sutherland7ok
Brandon Blandina7ok
Kyle Rehman7ok
Mitch Dunning4small
Michael Markovic4small
Kendrick Nicholson4small

Nationality splits

calls per 60 min of nationality TOI

Penalties on players of each nationality, normalized by that nationality's on-ice time in games this ref worked. Joint attribution: every penalty in a game credits both refs in the crew, so individual-call noise washes out at volume. Δ is the rate vs league baseline for the same nationality and scope. Rows under 60 minutes of nationality TOI are marked small; pattern language only — no intent claims.

NationalityTOICalls/ 60Lg baseΔSample
CAN228h 5m2260.991.10-0.11ok
USA171h 2m1370.800.95-0.14ok
SWE61h 58m60

Career history

all · per season

Per-season trend across the seasons RefGeek has tracked. Spot career arcs (improving / declining stripe score, drift in core rates) without flipping the season chip. Phase 2 will replace this table with a chart.

SeasonGamesStripePen / 60ConsistencySample
2025-266847.36.811.06ok
2024-255549.46.860.94ok
2023-246149.37.120.99ok
2022-235946.26.921.10ok
Coach challenges
78
78 challenges in scope; outcome detection still resolving.
One-goal P3 suppression
-10%
Calls 10% MORE P3 penalties in one-goal games than the league baseline.
54
Calls
90.2
League pct
ok
Sample
HOOKING
0.76
Per game
52
Calls
41.5
League pct
ok
Sample
SLASHING
0.66
Per game
45
Calls
46.3
League pct
ok
Sample
INTERFERENCE
0.56
Per game
38
Calls
46.3
League pct
ok
Sample
ROUGHING
0.56
Per game
38
Calls
4.9
League pct
ok
Sample
FIGHTING_MAJOR
0.47
Per game
32
Calls
65.9
League pct
ok
Sample
CROSS_CHECKING
0.26
Per game
18
Calls
24.4
League pct
ok
Sample
DELAY_OF_GAME
0.23
Per game
16
Calls
14.6
League pct
ok
Sample
TOO_MANY_MEN
0.19
Per game
13
Calls
73.7
League pct
ok
Sample
UNSPORTSMANLIKE
0.12
Per game
8
Calls
0.0
League pct
ok
Sample
GOALIE_INTERFERENCE
0.04
Per game
3
Calls
14.3
League pct
ok
Sample
ELBOWING
0.03
Per game
2
Calls
—
League pct
small
Sample
ILLEGAL_CHECK_TO_HEAD
0.03
Per game
2
Calls
—
League pct
small
Sample
INSTIGATOR
0.03
Per game
2
Calls
—
League pct
small
Sample
BOARDING
0.01
Per game
1
Calls
—
League pct
small
Sample
CHARGING
0.01
Per game
1
Calls
—
League pct
small
Sample
EMBELLISHMENT
0.01
Per game
1
Calls
—
League pct
small
Sample
TypeCallsPer gameLeague pctSample
TRIPPING831.2246.3ok
HOLDING560.8285.4ok
HIGH_STICKING540.7990.2ok
HOOKING520.7641.5ok
SLASHING450.6646.3ok
INTERFERENCE380.5646.3ok
ROUGHING380.564.9ok
FIGHTING_MAJOR320.4765.9ok
CROSS_CHECKING180.2624.4ok
DELAY_OF_GAME160.2314.6ok
TOO_MANY_MEN130.1973.7ok
UNSPORTSMANLIKE80.120.0ok
GOALIE_INTERFERENCE30.0414.3ok
ELBOWING20.03—small
ILLEGAL_CHECK_TO_HEAD20.03—small
INSTIGATOR20.03—small
BOARDING10.01—small
CHARGING10.01—small
EMBELLISHMENT10.01—small
21
Pens taken
Drill in →
Ducks-1
8
Games
-0.13
Diff / game
32
Pens drawn
33
Pens taken
Drill in →
Avalanche0
8
Games
0.00
Diff / game
28
Pens drawn
28
Pens taken
Drill in →
Kings+5
8
Games
+0.63
Diff / game
29
Pens drawn
24
Pens taken
Drill in →
Canucks+2
7
Games
+0.29
Diff / game
24
Pens drawn
22
Pens taken
Drill in →
Mammoth+2
7
Games
+0.29
Diff / game
32
Pens drawn
30
Pens taken
Drill in →
Blues-3
7
Games
-0.43
Diff / game
26
Pens drawn
29
Pens taken
Drill in →
Jets-5
6
Games
-0.83
Diff / game
14
Pens drawn
19
Pens taken
Drill in →
Kraken+2
6
Games
+0.33
Diff / game
19
Pens drawn
17
Pens taken
Drill in →
Flames+2
5
Games
+0.40
Diff / game
12
Pens drawn
10
Pens taken
Drill in →
Oilers-5
5
Games
-1.00
Diff / game
14
Pens drawn
19
Pens taken
Drill in →
Canadiens-3
5
Games
-0.60
Diff / game
14
Pens drawn
17
Pens taken
Drill in →
Sabres0
5
Games
0.00
Diff / game
16
Pens drawn
16
Pens taken
Drill in →
Lightning+2
5
Games
+0.40
Diff / game
20
Pens drawn
18
Pens taken
Drill in →
Rangers+3
5
Games
+0.60
Diff / game
15
Pens drawn
12
Pens taken
Drill in →
Stars-3
5
Games
-0.60
Diff / game
15
Pens drawn
18
Pens taken
Drill in →
Hurricanes+2
5
Games
+0.40
Diff / game
13
Pens drawn
11
Pens taken
Drill in →
Blue Jackets-2
4
Games
-0.50
Diff / game
13
Pens drawn
15
Pens taken
Drill in →
Predators+1
4
Games
+0.25
Diff / game
18
Pens drawn
17
Pens taken
Drill in →
Panthers+1
4
Games
+0.25
Diff / game
13
Pens drawn
12
Pens taken
Drill in →
Blackhawks+1
4
Games
+0.25
Diff / game
14
Pens drawn
13
Pens taken
Drill in →
Senators-3
3
Games
-1.00
Diff / game
11
Pens drawn
14
Pens taken
Drill in →
Flyers+3
3
Games
+1.00
Diff / game
15
Pens drawn
12
Pens taken
Drill in →
Bruins-3
3
Games
-1.00
Diff / game
9
Pens drawn
12
Pens taken
Drill in →
Capitals-2
3
Games
-0.67
Diff / game
9
Pens drawn
11
Pens taken
Drill in →
Wild+5
3
Games
+1.67
Diff / game
13
Pens drawn
8
Pens taken
Drill in →
Devils-3
3
Games
-1.00
Diff / game
9
Pens drawn
12
Pens taken
Drill in →
Penguins-1
3
Games
-0.33
Diff / game
10
Pens drawn
11
Pens taken
Drill in →
Maple Leafs-3
2
Games
-1.50
Diff / game
3
Pens drawn
6
Pens taken
Drill in →
Islanders+2
2
Games
+1.00
Diff / game
5
Pens drawn
3
Pens taken
Drill in →
Red Wings+4
2
Games
+2.00
Diff / game
13
Pens drawn
9
Pens taken
Drill in →
TeamGamesPens drawnPens takenDiffDiff/GRecord
Sharks92730-3-0.334-5vs →
Golden Knights92421+3+0.334-5vs →
Ducks83233-1-0.137-1vs →
Avalanche8282800.006-2vs →
Kings82924+5+0.632-6vs →
Canucks72422+2+0.290-7vs →
Mammoth73230+2+0.296-1vs →
Blues72629-3-0.432-5vs →
Jets61419-5-0.832-4vs →
Kraken61917+2+0.332-4vs →
Flames51210+2+0.405-0vs →
Oilers51419-5-1.001-4vs →
Canadiens51417-3-0.602-3vs →
Sabres5161600.003-2vs →
Lightning52018+2+0.401-4vs →
Rangers51512+3+0.604-1vs →
Stars51518-3-0.602-3vs →
Hurricanes51311+2+0.402-3vs →
Blue Jackets41315-2-0.502-2vs →
Predators41817+1+0.253-1vs →
Panthers41312+1+0.251-3vs →
Blackhawks41413+1+0.252-2vs →
Senators31114-3-1.002-1vs →
Flyers31512+3+1.002-1vs →
Bruins3912-3-1.002-1vs →
Capitals3911-2-0.672-1vs →
Wild3138+5+1.672-1vs →
Devils3912-3-1.000-3vs →
Penguins31011-1-0.333-0vs →
Maple Leafs236-3-1.501-1vs →
Islanders253+2+1.002-0vs →
Red Wings2139+4+2.000-2vs →
Gord Dwyer
3
small
Peter MacDougall3small
Frederick L'Ecuyer3small
View all partners →
0.97
0.79
+0.18
ok
RUS43h 33m380.870.90-0.03ok
FIN23h 54m150.630.72-0.10ok
CZE21h 34m100.460.59-0.13ok
CHE10h 35m100.941.03-0.09ok
DNK4h 57m10.200.38-0.17ok
BLR4h 32m10.220.79-0.57ok
SVK4h 2m61.491.27+0.21ok
LVA3h 30m10.280.69-0.41ok
DEU2h 42m41.480.88+0.60ok
AUT2h 1m10.490.69-0.20ok
NOR1h 36m00.001.55-1.55ok
SVN57m00.000.31-0.31small
AUS35m11.690.78+0.91small
FRA28m12.140.79+1.35small
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