Backcheck
Recap · TBL at BOS

Lightning hold off the Bruins

The Lightning earned it — the game and the expected-goals battle both.

By the ModelJun 16, 2:33 PMxG: xgboost-0.758Edited for clarity
Away
TBL
Tampa Bay Lightning
4
Home
BOS
Boston Bruins
3
FINAL
Process vs result

The underlying story

4.36Expected goals3.31
57% share for the better side
23Shot attempts (SOG)33
5High-danger chances2
54Corsi (all attempts)68
Score-adjusted: 39% / 61%
Source · NHL play-by-play · XGBoost xG

Tampa Bay won 4–3, but the game told two different stories on the scoreboard and the underlying play. The Bruins dominated shot volume—59% of attempts—yet had no answer for Tampa's shot quality. The Lightning generated 57% of expected goals (4.36–3.31 xG) by being ruthlessly efficient: 0.081 xG per shot versus Boston's 0.049. In hockey, that gap compounds fast.

The chasm opened widest in the danger zone. Tampa converted 40% of its high-danger chances (2 of 5), while Boston created exactly zero goals from its two high-danger looks. J. Korpisalo's performance in Boston's net (19 of 23 saves, 0.826 SV%) made the deficit worse—he gave up more than his share. J. Johansson (30 of 33, 0.909) kept Tampa ahead when it mattered, turning away the volume Boston threw at him.

Both teams were equally lethal on the rush: Tampa scored 3 times on 25 chances, Boston 3 times on 26. The difference was everything else. Boston crashed the net hard, generating 5 rebound opportunities and converting none. Tampa created 6 rebound chances and buried one—the kind of marginal edge that decides close games. Morgan Geekie's wrist shot from the top of the circles (period 2, 11:35) was the tipping point, but it was merely the moment the underlying play finally matched the scoreboard.

How the game was won

The danger ladder

shotsgoalsexpected
High dangerslot & crease
TBL2 / 5 · 1.85 xG
BOS0 / 2 · 0.63 xG
Medium dangermid-range
TBL2 / 14 · 1.95 xG
BOS2 / 19 · 1.89 xG
Low dangerperimeter & point
TBL0 / 35 · 0.56 xG
BOS1 / 47 · 0.80 xG

BOS went 0-for-2 from high danger on 0.63 expected goals — 0.6 left on the table.

Source · Backcheck xG model · NHL play-by-play
The luck layer

Finishing vs expected

expectedactual
TBL
4 G · 4.36 xG · -0.4
BOS
3 G · 3.31 xG · -0.3
012345
Goalies · GSAx (goals saved above expected)
J. JohanssonTBL
+0.3
J. KorpisaloBOS
+0.4

TBL finished -0.4 against expected, BOS -0.3 — J. Korpisalo (BOS) saved 0.4 goals above expected.

Source · Backcheck xG model
What they shot — and what went in

Shot diet

goalsshots
TBL
WRIST2/27
SNAP1/7
SLAP0/3
TIP IN1/2
BACKHAND0/2
WRAP AROUND0/1
OTHER0/12
BOS
WRIST2/28
SNAP1/7
SLAP0/8
TIP IN0/8
BACKHAND0/1
WRAP AROUND0/1
OTHER0/15
TBL
BOS
Off the rush
3 G on 25 · 2.29 xG
3 G on 26 · 2.18 xG
Off rebounds
1 G on 6 · 1.03 xG
0 G on 5 · 0.40 xG

Wrist shots carried the volume: TBL went 2-for-27, BOS 2-for-28. TBL scored 3 of theirs off the rush.

Source · Backcheck xG model · NHL shot types
Three stars · computed, not voted
A. Cirelli
#71 · C ·
2 G · 0 A · 2 SOG · 20:43 TOI · +1
P. Zacha
#18 · C ·
0 G · 2 A · 1 SOG · 19:34 TOI · +3
J. Guentzel
#59 · C ·
0 G · 2 A · 1 SOG · 18:59 TOI · +1
Ranked from the box score — points first · Backcheck
What the model flagged
  • BOS had the shot volume but the chances weren't dangerous.
  • TBL had the higher quality looks — 0.081 xG/shot vs 0.049.
  • TBL was clinical in the high-danger zone — 2/5 on HD chances (40%).
  • BOS was lethal off the rush — 3 goals on 26 rush chances.
  • TBL was lethal off the rush — 3 goals on 25 rush chances.
  • BOS created 5 rebound opportunities (0 converted) — crashing the net effectively.
  • TBL created 6 rebound opportunities (1 converted) — crashing the net effectively.
Before the game — the model's pre-game read
Preview · TBL at BOS · 1:00 PM ET

Lightning at Bruins: a genuine coin flip

By the ModelJun 16, 2:32 PMEdited for clarity
Win probability

The model's lean

54%
TBL
Model favorite
54%
46%
TBL50BOS

TBL by 8 points of win probability — a modest lean. Projected score TBL 2.72.5 BOS; 18% chance it's tied after 60.

Source · Backcheck Poisson projection · season scoring rates
Season profile · edge from the spine

Tale of the tape

TBL← edge
edge →BOS
54.0%5v5 xG%47.0%
53.0%Corsi%49.0%
2.67xGF / 602.39
2.28xGA / 602.67
2.38Goals for / gm2.22
1.85Goals against / gm1.82
1.019PDO — luck, not skill1.023

TBL holds 5 of 6 process categories — and PDO (1.019 vs 1.023) says BOS has run hotter.

Source · MoneyPuck season tables · 5v5

The model projects Tampa Bay at 2.7 goals, Boston at 2.5, handing the Bruins a 46% win probability. This is about as close to a pick'em as you'll find.

Tampa Bay dominates in underlying play. The Lightning control 54.0% of expected goals at 5v5 and 53.0% of shot attempts, translating to consistent territorial advantage and superior chance generation. Boston's 47.0% xG% and 49.0% Corsi% are competitive but measurably second.

Both teams are running hot enough to invite regression. Tampa's PDO is 1.019; Boston's 1.023. Conversion rates this high are unsustainable.

Defensively, Victor Hedman is Tampa's weak link. Elias Lindholm represents Boston's liability.

Key Players

Lightning: Brandon Hagel leads at 1.10 xG/60 with 23 goals and 26 assists, including 2 high-danger goals on a 15.8% shooting percentage. Anthony Cirelli adds 15 goals and 18 assists at 0.95 xG/60, backed by 5 high-danger goals and a 17.0% shooting rate.

Bruins: Viktor Arvidsson operates at 1.04 xG/60 with 18 goals and 24 assists, posting 2 high-danger goals on a 13.0% shooting percentage. Mark Kastelic (10 goals, 7 assists, 0.89 xG/60) has 3 high-danger goals on a 12.0% shooting rate.

Tampa's territorial edge and superior chance generation should matter. The deciding factor: which team's shooting regression hits first and hardest.

Computed danger · scouting

Players to watch

TBL
Brandon Hagel23G 26A
1.10 xG/60 · 2 HD · 15.8% sh
Anthony Cirelli15G 18A
0.95 xG/60 · 5 HD · 17.0% sh
BOS
Viktor Arvidsson18G 24A
1.04 xG/60 · 2 HD · 13.0% sh
Mark Kastelic10G 7A
0.89 xG/60 · 3 HD · 12.0% sh
Source · MoneyPuck skaters