HockeyAlpha
Regular season

Matthew Schaefer

New York Islanders · D · #48
Top-pair DOffensive QB?59 points from the blue line - runs the attack
HT
6'2"
WT
186 lb
Age
18
Shoots
L
From
Hamilton, CAN
Draft
2025 NYI · R1 #1
85Alpha?

Alpha sub-scores

what drives the rating · percentile vs position group
Scoring?
9292pctl
Playmaking?
8989pctl
Transition?
9393pctl
Defense?
5858pctl

League profile

vs. defensemen with 20+ GP
Points / GP?
0.7292pctl
Goals / GP?
0.2899pctl
Assists / GP?
0.4490pctl
Shots / GP?
2.798pctl
Plus/Minus?
+1382pctl
PP Points?
1892pctl

HockeyAlpha advanced

event-derived proxies · 1,312 games analyzed
xG Share?
6.2%66pctl
ZEIS?
5.4699pctl
PSPL?
0.3798pctl
Def Suppression?
0.7380pctl

Defenseman toolkit

vs. defensemen with 20+ GP
Blocks / GP?
1.3556pctl
Blocks / 60?
3.2922pctl
Hits / 60?
1.220pctl
Take : Give?
0.4290pctl
PP TOI / GP?
3:1996pctl
PK TOI / GP?
1:0636pctl

On-ice impact

shift charts × our xG model · 52 GP tracked · 22h TOI

Usage profile

assignment difficulty · higher fill = tougher job
Competition faced?
17.8 min77pctl
Support received?
17.1 min57pctl

Micro-metrics

Structural Metric Model · sequences, geometry & leverage from every shot

2025-26 regular season · Percentile beams: fill = league percentile, tick = league median · hockeyalpha.com

The Blueprint

Structural Event Engine · percentile vs defensemen · center = median · 1663 EV min

Derived from event sequences in public play-by-play data - the ? on each metric explains exactly how it's computed. · hockeyalpha.com

Contract & market

Contract value?

beta · cap data: CapWages

$0.97M

cap hit

$10.05M

Alpha-market value

overpaidmarketsurplus

A+

Massive surplus value (+$9.1M)

Top comparables?

nearest profiles at the same role · match = statistical fit
PlayerAlphaCap hitValueMatch
Matthew Schaefer85$0.97MA++$9.1Mthis player
Roman Josi86$9.06MB+$1.4M95%
Jakob Chychrun85$9.00MB+$1.1M92%
Adam Fox87$9.50MB+$1.3M91%
John Carlson84$8.00MB+$1.7M88%

Recent form · last 10 games

7 pts · 1 G · 6 A · 35 shots in last 10Cooling off(-0.6 P/GP vs prior 5)

vs DAL

2P

0G 2A

vs FLA

2P

0G 2A

vs PIT

0P

0G 0A

@ BUF

1P

0G 1A

vs PHI

0P

0G 0A

@ CAR

1P

0G 1A

vs TOR

1P

1G 0A

vs OTT

0P

0G 0A

vs MTL

0P

0G 0A

vs CAR

0P

0G 0A

Tile tint = points that night · underline = shot volume (full bar = 8+ shots) · oldest on the left

The Territory

attacking → · every recorded touch, normalized to one end

attacking →← defending
Goal On goal Missed/blocked▲ takeaway▽ giveaway■ hit+ block◯ faceoff dot (size = wins)677 events shown

The office: the right circle - 8 of 23 goals live there

Playmaking gravity: 40 touches that produced a teammate shot within 3s

Defensive floor: 110 blocks · 24 steals inside the d-zone

NHL career · regular season

SeasonTeamGPGAP+/−
2025-26New York Islanders8223365913
Career1 team8223365913