Backcheck
Recap · BOS at COL

Avalanche run the Bruins off the ice on the underlying numbers

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

By the ModelJun 16, 3:03 PMxG: xgboost-0.758Edited for clarity
Away
BOS
Boston Bruins
1
Home
COL
Colorado Avalanche
4
FINAL
Process vs result

The underlying story

1.24Expected goals4.41
78% share for the better side
14Shot attempts (SOG)38
0High-danger chances6
39Corsi (all attempts)88
Score-adjusted: 35% / 65%
Source · NHL play-by-play · XGBoost xG

Colorado's 4–1 victory was built on dominance that even the scoreline understated. At 5v5, they controlled 78% of expected goals (4.41–1.24), a gulf that rendered the three-goal margin almost incidental.

The underlying metrics confirmed the gap at every level. Shot attempts favored Colorado 73% (38–14). High-danger chances were unilateral: six for Colorado, zero for Boston. Where Boston's J. Swayman earned some credit—he stopped 1.4 goals above expected with a 0.919 save percentage on 34 of 37 shots—the deficit was too vast to overcome.

Colorado's shot quality was the separator. Per-attempt, Colorado generated 0.050 expected goals while Boston managed 0.032. Two of Colorado's four goals came from low-danger spots, the kind an opposing goaltender should routinely convert to saves. Colorado's S. Wedgewood needed only to be present (13/14, 0.929 SV%), and he was.

The tone was set early. Martin Necas's wrist shot from the top of the circles at 17:23 of the third period, with Boston already drowning, crystallized Colorado's control. Colorado converted at an extraordinary rate in transition: two goals on 33 rush attempts. Three rebound opportunities generated, zero converted, though the point was already proved—Colorado was crashing the net with surgical intent. Boston never mounted a sustained threat.

How the game was won

The danger ladder

shotsgoalsexpected
High dangerslot & crease
BOS0 / 0 · 0.00 xG
COL1 / 6 · 1.76 xG
Medium dangermid-range
BOS0 / 7 · 0.87 xG
COL1 / 16 · 1.62 xG
Low dangerperimeter & point
BOS1 / 32 · 0.37 xG
COL2 / 66 · 1.03 xG

COL went 2-for-66 from low danger on 1.03 expected goals — 1.0 above expected.

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

Finishing vs expected

expectedactual
BOS
1 G · 1.24 xG · -0.2
COL
4 G · 4.41 xG · -0.4
012345
Goalies · GSAx (goals saved above expected)
J. SwaymanBOS
+1.4
S. WedgewoodCOL
+0.2

BOS finished -0.2 against expected, COL -0.4 — J. Swayman (BOS) saved 1.4 goals above expected.

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

Shot diet

goalsshots
BOS
WRIST0/15
TIP IN1/3
SLAP0/1
SNAP0/0
BACKHAND0/2
BAT0/0
POKE0/0
OTHER0/18
COL
WRIST1/31
TIP IN0/7
SLAP2/7
SNAP0/8
BACKHAND1/3
BAT0/2
POKE0/1
OTHER0/29
BOS
COL
Off the rush
1 G on 9 · 0.80 xG
2 G on 33 · 2.89 xG
Off rebounds
0 G on 1 · 0.05 xG
0 G on 3 · 0.40 xG

Wrist shots carried the volume: BOS went 0-for-15, COL 1-for-31. COL scored 2 of theirs off the rush.

Source · Backcheck xG model · NHL shot types
Three stars · computed, not voted
A. Lehkonen
#62 · L · COL
0 G · 3 A · 3 SOG · 17:58 TOI · +3
N. MacKinnon
#29 · C · COL
2 G · 0 A · 8 SOG · 23:17 TOI · +3
M. Necas
#88 · C · COL
1 G · 0 A · 5 SOG · 21:24 TOI · +3
Ranked from the box score — points first · Backcheck
What the model flagged
  • J. Swayman (BOS) stopped 1.4 goals above expected.
  • COL generated far more dangerous chances — 0.050 xG/shot vs 0.032. Quality over quantity.
  • COL scored 2 goals from low-danger spots — the opposing goalie needs to have those.
  • COL was lethal off the rush — 2 goals on 33 rush chances.
  • COL created 3 rebound opportunities (0 converted) — crashing the net effectively.
Before the game — the model's pre-game read
Preview · BOS at COL · 9:00 PM ET

The Avalanche are the model's lean over the Bruins — and regression is coming

By the ModelJun 16, 3:02 PMEdited for clarity
Win probability

The model's lean

61%
COL
Model favorite
39%
61%
BOS50COL

COL by 22 points of win probability — a clear lean. Projected score BOS 2.43.0 COL; 17% chance it's tied after 60.

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

Tale of the tape

BOS← edge
edge →COL
47.0%5v5 xG%57.0%
49.0%Corsi%57.0%
2.39xGF / 603.03
2.67xGA / 602.30
2.22Goals for / gm2.63
1.82Goals against / gm1.56
1.023PDO — luck, not skill1.021

COL holds 6 of 6 process categories — and PDO (1.023 vs 1.021) says BOS has run hotter.

Source · MoneyPuck season tables · 5v5

Colorado is the chalk. The MoneyPuck model projects a 2.4–3.0 final with the Avalanche at 61% win probability—a significant lean in a game where both teams are running hot.

The underlying advantage belongs to Colorado. At 5v5, the Avalanche own 57.0% expected goals share while Boston manages 47.0%. Colorado's Corsi reaches 57.0% to Boston's 49.0%, confirming territorial control. This disparity in shot volume and quality will likely compound over sixty minutes.

Regression lurks for both teams. Colorado's PDO of 1.021 and Boston's 1.023 both signal unsustainable efficiency; finishing will normalize downward. Both are running hot, and both will cool.

The personnel edge amplifies Colorado's advantage. Artturi Lehkonen operates at 1.11 xG/60 with 18 goals and 22 assists—elite volume paired with finishing. Ross Colton adds secondary thrust at 1.10 xG/60 (7 goals, 15 assists), though his 4.9% shooting rate suggests some cooling ahead.

Boston counters with Viktor Arvidsson (1.04 xG/60, 18 goals, 24 assists) and Mark Kastelic (0.89 xG/60, 10 goals, 7 assists). Both are outperforming their expected output through elite shooting (13.0% and 12.0% respectively), but the underlying volume gap favors Colorado.

One constraint: J. Swayman is on a back-to-back. Watch for a backup appearance or a tired starter. That decision calibrates Boston's ability to match Colorado's pace.

Defensive alignment matters less here. Elias Lindholm anchors Boston's weak link; Nazem Kadri does the same for Colorado. The underlying play—Colorado's territorial dominance and shot generation—will overwhelm both.

Three Things to Watch

  • Colorado's 57.0% territorial dominance translating into goal separation before regression hits both teams.
  • Swayman's status and its impact on Boston's ability to weather Colorado's shot volume.
  • Whether Lehkonen's finishing sustains or regresses toward his 1.11 xG/60 volume.
Computed danger · scouting

Players to watch

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
COL
Artturi Lehkonen18G 22A
1.11 xG/60 · 6 HD · 14.9% sh
Ross Colton7G 15A
1.10 xG/60 · 1 HD · 4.9% sh
Source · MoneyPuck skaters