Backcheck
Recap · TBL at BOS

Lightning hold off the Bruins

The Lightning won a genuine coin flip — neither side controlled the run of play.

By the ModelJul 12, 11:11 AMxG: xgboost-0.758Edited for clarity
Away
TBL
Tampa Bay Lightning
2
Home
BOS
Boston Bruins
1
FINAL
Process vs result

The underlying story

2.46Expected goals2.45
50% share for the better side
24Shot attempts (SOG)21
5High-danger chances2
45Corsi (all attempts)62
Score-adjusted: 43% / 57%
Source · NHL play-by-play · XGBoost xG

Boston had the better chances and still lost. The Bruins created 5 high-danger opportunities to Tampa's 2, held 47% of shot attempts (21–24 on goal), and underperformed their expected goals by 1.45—yet walked out of this 2-1 defeat. The game's underlying metrics split nearly even (2.45–2.46 xG), so what separated them was execution and goaltending variance.

A. Vasilevskiy was the difference. He made 20 of 21 saves for a 0.952 save percentage, outperforming expectation by exactly the 1.45 goals the Lightning won by. J. Swayman matched him statistically with 22 of 24 (0.917), but stood on the wrong side of variance.

The Lightning's offensive efficiency tilted the entire equation: 0.055 xG per shot versus Boston's 0.039. That quality advantage, combined with Vasilevskiy's elite performance, meant Tampa converted chances the Bruins squandered. Boston created 4 rebound opportunities without converting a single one—the kind of detail that compounds over time.

E. Lilleberg's wrist shot from the doorstep at 18:25 of the third period was the game's turning point, arriving when Boston had no recovery left.

C. McAvoy carried Boston with an assist in 25:31. B. Point added an assist for Tampa in 19:21, working secondary while E. Lilleberg (1G, 21:03) delivered the decisive finish.

On the scoresheet, this looks like a Lightning win. In the underlying data, it's a classic case of a competent team stealing a result through superior goaltending on an otherwise even night.

How the game was won

The danger ladder

shotsgoalsexpected
High dangerslot & crease
TBL1 / 5 · 1.05 xG
BOS0 / 2 · 0.46 xG
Medium dangermid-range
TBL1 / 9 · 1.05 xG
BOS1 / 10 · 1.07 xG
Low dangerperimeter & point
TBL0 / 31 · 0.36 xG
BOS0 / 50 · 0.91 xG

BOS went 0-for-50 from low danger on 0.91 expected goals — 0.9 left on the table.

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

Finishing vs expected

expectedactual
TBL
2 G · 2.46 xG · -0.5
BOS
1 G · 2.45 xG · -1.4
0123
Goalies · GSAx (goals saved above expected)
A. VasilevskiyTBL
+1.4
J. SwaymanBOS
+0.5

TBL finished -0.5 against expected, BOS -1.4 — A. Vasilevskiy (TBL) saved 1.4 goals above expected.

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

Shot diet

goalsshots
TBL
WRIST2/5
SNAP0/14
TIP IN0/4
SLAP0/4
BACKHAND0/1
WRAP AROUND0/0
POKE0/1
OTHER0/16
BOS
WRIST1/30
SNAP0/0
TIP IN0/4
SLAP0/4
BACKHAND0/4
WRAP AROUND0/2
POKE0/0
OTHER0/18
TBL
BOS
Off the rush
1 G on 22 · 1.97 xG
1 G on 28 · 1.36 xG
Off rebounds
1 G on 1 · 0.22 xG
0 G on 4 · 0.74 xG

Wrist shots carried the volume: TBL went 2-for-5, BOS 1-for-30.

Source · Backcheck xG model · NHL shot types
Three stars · computed, not voted
C. McAvoy
#73 · D · BOS
0 G · 1 A · 0 SOG · 25:31 TOI
E. Lilleberg
#78 · D · TBL
1 G · 0 A · 2 SOG · 21:03 TOI · +1
B. Point
#21 · C · TBL
0 G · 1 A · 1 SOG · 19:21 TOI
Ranked from the box score — points first · Backcheck
What the model flagged
  • A. Vasilevskiy (TBL) stopped 1.4 goals above expected.
  • TBL had the higher quality looks — 0.055 xG/shot vs 0.039.
  • BOS created 4 rebound opportunities (0 converted) — crashing the net effectively.
Before the game — the model's pre-game read
Preview · TBL at BOS · 12:30 PM ET

Lightning at Bruins: a genuine coin flip

By the ModelJul 12, 11:10 AMEdited 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 a 2.7–2.5 Lightning win with Tampa Bay at 54% win probability—this is about as close to a pick'em as you'll find.

Tampa Bay dominates underlying play. The Lightning hold 54.0% expected goals and 53.0% Corsi at five-on-five, a clear territorial edge. Boston counters with rest: four days to Tampa's two. Both teams are running hot—the Lightning's PDO of 1.019 and the Bruins' 1.023 suggest some regression is coming for each.

The coin flip stays in place because neither advantage outweighs the other.

Players to Watch

Tampa Bay Lightning

  • Brandon Hagel: 23G, 1.10 xG/60, 15.8% shooting, 2 high-danger goals
  • Anthony Cirelli: 15G, 17.0% shooting, 5 high-danger goals

Boston Bruins

  • Viktor Arvidsson: 18G, 1.04 xG/60, 13.0% shooting, 2 high-danger goals
  • Tanner Jeannot: 6G, 8.3% shooting, 2 high-danger goals

Cirelli's elite high-danger finishing—five goals from chances most don't convert—separates him from Arvidsson, who generates volume without Cirelli's conversion rate. Jeannot has recorded two high-danger goals, the same as Arvidsson, but on far fewer opportunities.

Victor Hedman represents Tampa's defensive vulnerability. Elias Lindholm does the same for Boston. Neither team has generated meaningful volume from high-danger or rebound situations this season—cleanup play won't win this game. The outcome hangs on whoever executes better when it matters most.

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
Tanner Jeannot6G 14A
0.75 xG/60 · 2 HD · 8.3% sh
Source · MoneyPuck skaters