Motion-blurred skater in a Buffalo Sabres sweater
Breakdown · TBL at BUF

Sabres hold off the Lightning

The verdict · earned

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

TBL 2 · BUF 4
◆ By the ModelJul 12, 10:38 AMxG: xgboost-0.758Edited for clarityDrafted from NHL play-by-play by Backcheck's model, worded for clarity by an AI editor that may not change a number. Nobody at Backcheck was at the rink. How this works

The Sabres beat the Lightning 4–2 with underlying numbers that told an even starker story: the Sabres controlled 60 percent of expected goals (4.25–2.88) while generating far superior chance quality per shot (0.080 xG/shot versus 0.055). The margin of 2 goals understates their dominance.

The Sabres generated 6 high-danger chances to the Lightning's 3, a split reflected precisely in their shot-attempt advantage (55 percent, 30–25). Where the Sabres pulled away was efficiency: they converted 3 of 28 rush chances while holding the Lightning to 2 of 24, turning volume into ruthless execution.

Vasilevskiy made 1.3 saves above expectation, the game's defining goaltending performance—it alone kept the score respectable for a Lightning team that underperformed its underlying metrics by 0.88 goals. Luukkonen matched it with 0.88 saves above expected, denying the Lightning any real comeback route. Both goalies played above their xG expectations, but Vasilevskiy's edge mattered more in a game the Lightning needed to win.

Jack Quinn's wrist shot from the wing late in the third (18:06, P3) provided an insurance marker the Sabres' control had already warranted. The sequence was incidental; the outcome was inevitable.

The breakdown in twelve frames

Swipe it

Every number is from this page
Final · Apr 6
TBL
2
BUF
4

Sabres hold off the Lightning

Chances 2.9 – 4.3Did they deserve it? →
Did they deserve it?

The Sabres earned this one.

Expected goals · chance value
TBL
2.88
BUF
4.25
40% of the chances60%

The board read TBL 2, BUF 4. The chances read TBL 2.9, BUF 4.3.

Our xG model · NHL play-by-play · all situations
Luck check
BUF
−0.3
goals above expected
BUF4.25 expected · 4 scored
Expected
Scored
TBL2.88 expected · 2 scored
Expected
Scored

Both sides finished close to what their chances were worth. This one was earned on the ice.

PDO = sh% + sv% · drifts to 1.000 over a season
Every goal, in order
  1. P1 05:42BUFA. Tuch0–1
  2. P1 11:45TBLN. KucherovPP1–1
  3. P1 14:04BUFJ. Norris1–2
  4. P2 03:56TBLJ. Guentzel2–2
  5. P2 07:38BUFJ. Zucker2–3
  6. P3 18:06BUFJ. QuinnEN2–4
NHL play-by-play · chance value from our xG model
Where the shots came from
TBL
41 shots
2
Final
84 shots
BUF
43 shots
4
TBL attackBUF attack
TBL BUF Goal
41
shots · 2 in
43
shots · 4 in
Every unblocked shot · press play to replay it
Chances by danger
TBLBUF
0 / 3
0.71 xG
High danger
1 / 6
1.69 xG
0 / 12
1.42 xG
Medium
2 / 19
2.06 xG
2 / 37
0.74 xG
Low
1 / 28
0.51 xG

The Lightning went 0 for 3 from the slot.

Danger tiers by our xG model · high ≥ 20% chance
In the net
B+
A. Vasilevskiy
+1.3
TBL · 26/29
B+
U. Luukkonen
+0.9
BUF · 23/25
The numbers, checked
BACKCHECK

Sabres hold off the Lightning

A model, not a newsroom. Every number on these frames comes from the NHL's play-by-play and our own models. Nothing was watched, guessed or heard from anyone.

Read the full breakdown
backcheckreport.com
01 / 08 · Final
Every goal, in order

How it happened

NHL play-by-play
1stshots 8–11
  1. 05:42BUFA. Tuch(B. Byram, R. McLeod)0–1
  2. 11:45TBLN. Kucherovpower play(J. Guentzel, D. Raddysh)1–1
  3. 14:04BUFJ. Norris(J. Doan, Z. Benson)1–2
2ndshots 8–14
  1. 03:56TBLJ. Guentzel(B. Point, D. Raddysh)2–2
  2. 07:38BUFJ. Zucker(B. Byram, R. Dahlin)2–3
3rdshots 9–5
  1. 18:06BUFJ. Quinnempty net(J. Zucker, U. Luukkonen)2–4

score reads TBL–BUF

Source · NHL play-by-play (api-web.nhle.com)
Process vs result

The numbers

XGBoost xG · NHL play-by-play
4.25
BUF chances
Goals their shots were worth
−0.3
Finishing
Goals below what those chances were worth
1.037
BUF puck luck
Above 1.000 — the bounces went their way
50.5%
Shot attempts
Over half — they had the puck more
Split by club

Who controlled the game

2.88Expected goals4.25
BUF 60% of the chance quality
25Shots on goal30
3High-danger chances6
52All attempts (Corsi)53
Adjusted for score: TBL 53% · BUF 47%
Faceoffs · BUF won41%off42%neu61%def
Source · NHL play-by-play · XGBoost xG
How the game was won

The danger ladder

shotsgoalsexpected
High dangerslot & crease
TBL0 / 3 · 0.71 xG
BUF1 / 6 · 1.69 xG
Medium dangermid-range
TBL0 / 12 · 1.42 xG
BUF2 / 19 · 2.06 xG
Low dangerperimeter & point
TBL2 / 37 · 0.74 xG
BUF1 / 28 · 0.51 xG

TBL went 0-for-12 from medium danger on 1.42 expected goals — 1.4 left on the table.

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

Finishing vs expected

expectedactual
TBL
2 G · 2.88 xG · -0.9
BUF
4 G · 4.25 xG · -0.3
012345

TBL finished -0.9 against expected, BUF -0.3.

Source · Backcheck xG model
Shot types · rush and rebound chancesopen +
What they shot — and what went in

Shot diet

goalsshots
TBL
WRIST1/7
SNAP1/18
SLAP0/7
TIP IN0/5
BACKHAND0/3
DEFLECTED0/1
OTHER0/11
BUF
WRIST2/21
SNAP1/9
SLAP0/6
TIP IN1/5
BACKHAND0/2
DEFLECTED0/0
OTHER0/10
TBL
BUF
Off the rush
2 G on 24
1.93 xG
3 G on 28
2.95 xG
Off rebounds
0 G on 1
0.13 xG
0 G on 4
0.45 xG

Wrist shots carried the volume: TBL went 1-for-7, BUF 2-for-21. BUF scored 3 of theirs off the rush.

Source · Backcheck xG model · NHL shot types
New to these numbers?

Two things happened in this game: who created the better chances, and who put the puck in the net. They are not the same thing, and this page separates them on purpose.

The one to watch is expected goals— the best single read on who deserved to win. When it disagrees with the scoreboard, that disagreement is usually the story. Nothing here is a projection; every figure is computed from this game's play-by-play. Full glossary →

xG
Expected goals. Every shot scored by how often that exact look goes in. 2.5 xG means the chances were worth about two and a half goals.
HD
High-danger chances — shots from the slot and the crease, where shots actually become goals.
Corsi
Every shot attempt, including the ones that missed or got blocked. A rough read on who had the puck.
Adj.
Score-adjusted. Teams that trail shoot more and teams that lead sit back, so this corrects the attempt count for the scoreboard.
GSAx
Goals saved above expected. A positive number means the goalie stopped more than an average goalie would have on those shots.
PDO
Shooting % plus save % — a luck gauge. It sits near 1.000 over a season, so a game far from it usually means the bounces decided it.
Shot by shot

In the net

Graded on goals saved above expected
A. Vasilevskiy
TBL · 26/29 · .897
+1.3
saved above expected
B+
the night
By dangerG/attxGsaved
High danger1/61.7+0.7
Medium2/192.1+0.1
Low1/280.5-0.5

A+ ≥ +2.5 saved above expected · A ≥ +1.5 · B+ ≥ +0.75 · B ≥ +0.25 · C ≥ −0.25 · D ≥ −0.75 · F below −1.5

U. Luukkonen
BUF · 23/25 · .920
+0.9
saved above expected
B+
the night
By dangerG/attxGsaved
High danger0/30.7+0.7
Medium0/121.4+1.4
Low2/370.7-1.3

A+ ≥ +2.5 saved above expected · A ≥ +1.5 · B+ ≥ +0.75 · B ≥ +0.25 · C ≥ −0.25 · D ≥ −0.75 · F below −1.5

84 shots · press play to watch the game back

Where the shots came from

NHL play-by-play coordinates
TBL
41 shots
2
Final
84 shots
BUF
43 shots
4
TBL attackBUF attack
TBL BUF Goal

Each club shoots toward its own end — TBL left, BUF right — the way you would watch it. A dot's size is how dangerous the look was, from distance and angle; it is a proxy for shot quality, not the xG model the article is written from. Hover a dot for the shooter and the clock.

Ranked from the box score

Three stars

Points first
Three stars · computed, not voted
D. Raddysh
#43 · D · TBL
0 G · 2 A · 4 SOG · 25:45 on ice · -2
J. Guentzel
#59 · C · TBL
1 G · 1 A · 6 SOG · 24:54 on ice · -1
B. Byram
#4 · D · BUF
0 G · 2 A · 1 SOG · 21:16 on ice · +2
Ranked from the box score — points first · Backcheck
What the model said beforehand

Before the game

Written Mon, Apr 6
Open the pre-game read
Written from the numbers

The read

Edited for clarity
◆ By the ModelJul 12, 10:36 AMEdited for clarityDrafted from NHL play-by-play by Backcheck's model, worded for clarity by an AI editor that may not change a number. Nobody at Backcheck was at the rink. How this works

The model projects a 2.6–2.5 Tampa Bay victory with the Lightning at 51% win probability. This is a pick'em dressed as a projection—the outcome could genuinely go either way.

Tampa Bay has earned that slight edge. The Lightning are 7-1-2 in their last ten, which establishes momentum more than predicting Tuesday night, but the underlying numbers back it up. At even strength, Tampa owns 54.0% expected goals and 53.0% Corsi, meaning they're controlling both shot quality and territorial play. Buffalo sits at 50.0% xG and 49.0% Corsi—a respectable possession team, but on its heels when these two meet.

Both teams are running hot on PDO (Tampa 1.019, Buffalo 1.020), which means both are converting at unsustainably high rates and could regress.

Players to Watch

Tampa Bay Lightning

  • Brandon Hagel: 1.10 xG/60, 23G, 2 HD goals, 15.8% shooting
  • Anthony Cirelli: 0.95 xG/60, 15G, 5 HD goals, 17.0% shooting

Buffalo Sabres

  • Jason Zucker: 1.07 xG/60, 14G, 6 HD goals, 15.1% shooting
  • Josh Doan: 1.01 xG/60, 15G, 2 HD goals, 11.5% shooting

Hagel is the standout—operating at 1.10 expected goals per 60 with a 15.8% shooting rate, his 23 goals represent both elite offensive volume and clinical finishing. Anthony Cirelli (0.95 xG/60, 17.0% shooting) converts at an even higher rate and has five high-danger finishes.

Buffalo counters with Jason Zucker, posting 14 goals at 1.07 xG/60 backed by six high-danger finishes and 15.1% shooting. Josh Doan is similarly reliable but less explosive.

Tampa's defensive weak point is Victor Hedman. Buffalo's is Jack Quinn.

What separates this from a toss-up is territorial control. Tampa will spend more time in Buffalo's zone, which matters when goalies are roughly equivalent. Buffalo wins through defensive excellence; Tampa wins if Tuesday resembles their last ten games. At 51%, the model projects Tampa should win this matchup six out of ten times—a genuine advantage, not a lock.

What the model said beforehand

The model's lean

TBL 51%
51%
TBL
Model favorite
51%
49%
TBL50BUF

TBL by 2 points of win probability — effectively a coin flip. Projected score TBL 2.6–2.5 BUF; 18% chance it's tied after 60.

Source · Backcheck Poisson projection · season scoring rates
Season rates · 5v5

Tale of the tape

NHL stats API · our xG
TBL← edge
edge →BUF
54.0%50.0%
53.0%49.0%
2.672.55
2.282.55
2.382.35
1.851.90
1.0191.020

TBL holds 6 of 6 process categories — and the luck row (1.019 vs 1.020) says BUF has been getting the bounces, which tends not to last.

Source · NHL stats API + our xG · 5v5
Form · Last 10
TBL
7-1-2
+13 GD · 2d rest
BUF
5-3-2
+0 GD · 2d rest
1.019
TBL PDO
Luck gauge · drifts to 1.000
1.020
BUF PDO
Luck gauge · drifts to 1.000
What decides it

Keys to the game

Where the edges live
  • The Lightning own the underlying play — 54.0% 5v5 xG vs 50.0%.
  • The Lightning drive Corsi at 53.0% — expect territorial tilt.
Regression watch
  • The Sabres' PDO is 1.020 — running hot, expect some regression.
  • The Lightning's PDO is 1.019 — running hot, expect some regression.
Things to watch
  • The Lightning own the underlying play — 54.0% 5v5 xG vs 50.0%.
  • The Lightning drive Corsi at 53.0% — expect territorial tilt.
  • The Lightning are the hotter team by points pace (7-1-2 in their last 10).
  • The Sabres' PDO is 1.020 — running hot, expect some regression.
Last game's lineup · confirmed at warm-up

Lineups

NHL box score
TBL
Expected in goal
A. Vasilevskiy
2 days rest.955 last start
Backup Andrei Vasilevskiy · +24.7 GSAx this season

No completed game on file for this club yet.

BUF
Expected in goal
C. Ellis
2 days rest.870 last start
Backup Ukko-Pekka Luukkonen · +10.5 GSAx this season

No completed game on file for this club yet.

Lineups are the players who dressed in each club's last game, with their minutes; clubs confirm tonight's at warm-up. Every player this preview names was in that lineup.

Computed danger · scouting

Players to watch

NHL stats API · our xG
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
BUF
Jason Zucker14G 14A
1.07 xG/60 · 6 HD · 15.1% sh
Josh Doan15G 18A
1.01 xG/60 · 2 HD · 11.5% sh
Keep going

Where to next