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Ice Lab

Tue, Mar 16, 2021·PPG Paints Arena, Pittsburgh

Boston Bruins 2, Pittsburgh Penguins 1

Expected result

Based on shot quality alone, Boston Bruins win this game 55% of the time.

PIT winsBOS wins

By period

Goals and shots on goal in each period.

TeamP1P2P3Total
BOS11501315233
PIT11509011135

Goals, with shots on goal in grey.

Scoring

Every goal, with the change it made to the home team's win probability.

  1. P1 3:20BOSDavid PastrnakPPAssists: Brad Marchand, Matt Grzelcyk · Backhand, 0.19 xG1–0
  2. P1 15:22PITBrandon TanevAssists: Evan Rodrigues, Kasperi Kapanen · Wrist, 0.27 xG1–1
  3. P3 7:07BOSTrent FredericGWGAssists: Jakub Zboril, Patrice Bergeron · Wrist, 0.03 xG2–1
Penalties (9)
  1. P1 0:39BOSDavid Pastrnak: Boarding2 min
  2. P1 1:26PITEvgeni Malkin: Holding2 min · PPG
  3. P1 13:13BOSDavid Pastrnak: Tripping2 min
  4. P2 0:34BOSPatrice Bergeron: Illegal check to head2 min
  5. P2 1:36PITAnthony Angello: Too many men on the ice2 min
  6. P2 8:13PITMarcus Pettersson: Holding2 min
  7. P2 12:57PITBrandon Tanev: Boarding5 min
  8. P2 12:57PITBrandon Tanev: Game misconduct10 min
  9. P3 0:39BOSBrad Marchand: High sticking2 min

Replay

Watch the game unfold on the ice: every shot, hit, turnover and faceoff appears as it happened, then fades. Drag the timeline to jump; goals are marked on it.

BOS00 SOG · 0.0 xG

20:00

P1

0.0 xG · 0 SOG0PIT
46% to win54% to win
← BOS attackPIT attack →
  1. P1 20:00Crosby won the faceoff against Bergeron
  • Goal
  • Shot
  • Miss
  • Block
  • Hit
  • Takeaway
  • Giveaway
  • Faceoff
  • Penalty

The numbers

Team totals, side by side.

BOSPIT
33Shots on goal35
3.1Expected goals2.9
59Shot attempts47
32Faceoffs won23
4Power plays4
8Penalty minutes21
46Hits40
8Blocked shots14
7Giveaways10
9Takeaways16

Line combinations that worked

Model-based

Each team's forward lines and defence pairs at 5-on-5 (two minutes or more together), best first by expected goals for minus against.

Boston Bruins

Forward lines

  1. bestKuraly – Frederic – Kuhlman6:44

    xG 0.24–0.10 (71%)attempts 7–5goals 0–0

  2. Coyle – Ritchie – Steen3:38

    xG 0.44–0.31 (59%)attempts 6–5goals 0–0

  3. Krejci – DeBrusk – Steen3:54

    xG 0.16–0.14 (53%)attempts 4–3goals 0–0

  4. Bergeron – Marchand – Pastrnak11:43

    xG 0.62–0.60 (51%)attempts 13–7goals 0–1

Defence pairs

  1. bestGrzelcyk – McAvoy10:39

    xG 0.54–0.24 (69%)attempts 13–7goals 0–0

  2. Zboril – McAvoy5:27

    xG 0.23–0.14 (61%)attempts 5–2goals 1–0

  3. Kampfer – Grzelcyk2:03

    xG 0.07–0.00 (100%)attempts 2–0goals 0–0

Pittsburgh Penguins

Forward lines

  1. bestCrosby – Rust – Guentzel13:39

    xG 0.65–0.54 (55%)attempts 12–15goals 0–0

  2. Kapanen – Rodrigues – Tanev4:08

    xG 0.52–0.42 (56%)attempts 6–5goals 1–0

  3. Kapanen – Rodrigues – Aston-Reese3:26

    xG 0.11–0.04 (75%)attempts 2–2goals 0–0

  4. Sceviour – Lafferty – Angello2:47

    xG 0.32–0.28 (54%)attempts 5–4goals 0–0

Defence pairs

  1. bestRuhwedel – Pettersson8:26

    xG 0.54–0.32 (63%)attempts 10–15goals 0–0

  2. Letang – Matheson6:55

    xG 0.31–0.15 (68%)attempts 6–7goals 0–0

  3. Dumoulin – Ceci2:01

    xG 0.02–0.05 (34%)attempts 2–2goals 0–0

How the game flowed

Model-based

Chance quality for each side, minute by minute, with pressure underneath.

Expected goals flow

Running total of expected goals for each team. Steep climbs are spells of pressure; dots are goals. Shaded bands mark power plays (team colour), 4-on-4 or 3-on-3 (grey) and empty nets.

PIT 2.9 xGBOS 3.1 xG
0123P1P2P3EndxG

Tempo: attempts, hits and takeaways per minute

PITBOS

Win probability

Model-based

How each goal and each minute changed the likely winner.

Win probability

PIT's chance of winning through the game. Above the middle line PIT is favoured, below it BOS. Dots are goals.

Excitement 36/100 · #527 of 868 this seasonSwing 1.24 · 3 goals in reachComeback index 43% (winner's lowest chance)
BOS 100%5050%50PIT 100%P1P2P3EndBiggest swing +32 pts

Did the better team win?

Every shot replayed 10,000 times, scoring with its expected-goal probability.

Based on shot quality alone, Boston Bruins win this game 55% of the time.

PIT winsBOS wins

Simulated goal difference (PIT − BOS), 10,000 replays

-7
-6
-5
-4
-3
-2
-1
0
+1
+2
+3
+4
+5
+6
+7

The outlined bar is the actual result (excluding the shootout).