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Ice Lab

Wed, Mar 15, 2017·Scotiabank Saddledome, Calgary

Boston Bruins 5, Calgary Flames 2

Expected result

Based on shot quality alone, Boston Bruins win this game 75% of the time.

CGY winsBOS wins

By period

Goals and shots on goal in each period.

TeamP1P2P3Total
BOS1721629532
CGY191707223

Goals, with shots on goal in grey.

Scoring

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

  1. P1 9:23CGYAlex ChiassonAssists: Lance Bouma, Matt Stajan · Wrist, 0.16 xG0–1
  2. P1 11:47BOSDavid PastrnakAssists: Zdeno Chara · Wrist, 0.02 xG1–1
  3. P2 6:04BOSBrad MarchandUnassisted · Backhand, 0.16 xG2–1
  4. P2 7:14CGYDougie HamiltonUnassisted · Wrist, 0.01 xG2–2
  5. P2 11:03BOSDavid BackesGWGAssists: David Krejci · Wrist, 0.06 xG3–2
  6. P3 3:36BOSMatt BeleskeyAssists: Ryan Spooner, Drew Stafford · Wrist, 0.13 xG4–2
  7. P3 19:57BOSDavid PastrnakENAssists: Brad Marchand, Patrice Bergeron · Wrist, 0.53 xG5–2
Penalties (5)
  1. P1 2:14BOSRiley Nash: Hooking2 min
  2. P1 6:22BOSPatrice Bergeron: Hooking2 min
  3. P1 12:55CGYMichael Frolik: Hooking2 min
  4. P2 0:00CGYMikael Backlund: Hooking2 min
  5. P3 14:28BOSDavid Pastrnak: 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 SOG0CGY
44% to win56% to win
← BOS attackCGY attack →
  1. P1 20:00Bergeron won the faceoff against Backlund
  • Goal
  • Shot
  • Miss
  • Block
  • Hit
  • Takeaway
  • Giveaway
  • Faceoff
  • Penalty

The numbers

Team totals, side by side.

BOSCGY
32Shots on goal23
3.6Expected goals2.1
65Shot attempts43
39Faceoffs won20
2Power plays3
6Penalty minutes4
7Hits16
11Blocked shots19
9Giveaways21
4Takeaways19

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. bestBergeron – Marchand – Pastrnak9:21

    xG 0.69–0.12 (85%)attempts 16–5goals 0–1

  2. Stafford – Beleskey – Spooner6:24

    xG 0.37–0.18 (68%)attempts 6–3goals 1–0

  3. Moore – Nash – Hayes6:47

    xG 0.25–0.21 (54%)attempts 8–7goals 0–0

  4. Bergeron – Backes – Marchand2:41

    xG 0.09–0.24 (28%)attempts 2–3goals 0–1

Defence pairs

  1. bestMiller – Miller10:25

    xG 0.60–0.40 (60%)attempts 14–7goals 0–1

  2. McQuaid – Krug14:48

    xG 0.65–0.73 (47%)attempts 19–12goals 0–1

  3. Chara – Carlo15:25

    xG 0.21–0.62 (25%)attempts 8–11goals 0–0

Calgary Flames

Forward lines

  1. bestFerland – Gaudreau – Monahan12:53

    xG 0.75–0.18 (80%)attempts 11–8goals 0–1

  2. Stajan – Bouma – Chiasson7:56

    xG 0.30–0.24 (56%)attempts 7–7goals 1–1

  3. Frolik – Backlund – Tkachuk13:13

    xG 0.32–0.78 (29%)attempts 7–18goals 1–1

  4. Versteeg – Brouwer – Bennett8:48

    xG 0.01–0.65 (1%)attempts 1–15goals 0–1

Defence pairs

  1. bestWideman – Bartkowski13:04

    xG 0.62–0.49 (56%)attempts 15–15goals 0–3

  2. Engelland – Brodie17:48

    xG 0.92–0.79 (54%)attempts 11–15goals 0–1

  3. Giordano – Hamilton12:32

    xG 0.43–0.53 (44%)attempts 9–14goals 2–0

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.

CGY 2.1 xGBOS 3.6 xG
01234P1P2P3EndxG

Tempo: attempts, hits and takeaways per minute

CGYBOS

Win probability

Model-based

How each goal and each minute changed the likely winner.

Win probability

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

Excitement 55/100 · #503 of 1230 this seasonSwing 1.41 · 7 goals in reachComeback index 28% (winner's lowest chance)
BOS 100%5050%50CGY 100%P1P2P3EndBiggest swing +20 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 75% of the time.

CGY winsBOS wins

Simulated goal difference (CGY − 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).