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Ice Lab

Fri, Feb 21, 2020·Scotiabank Saddledome, Calgary

Boston Bruins 4, Calgary Flames 3

Expected result

Based on shot quality alone, Calgary Flames win this game 50% of the time.

CGY winsBOS wins

By period

Goals and shots on goal in each period.

TeamP1P2P3Total
BOS3121506423
CGY3605010321

Goals, with shots on goal in grey.

Scoring

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

  1. P1 0:20CGYMikael BacklundAssists: Rasmus Andersson, Noah Hanifin · Wrist, 0.20 xG0–1
  2. P1 2:34CGYMikael BacklundAssists: Tobias Rieder, Matthew Tkachuk · Snap, 0.14 xG0–2
  3. P1 2:58BOSPatrice BergeronAssists: David Pastrnak, Charlie McAvoy · Backhand, 0.10 xG1–2
  4. P1 3:23CGYJohnny GaudreauAssists: Elias Lindholm · Backhand, 0.09 xG1–3
  5. P1 6:12BOSPatrice BergeronAssists: David Pastrnak, Brad Marchand · Wrist, 0.24 xG2–3
  6. P1 12:20BOSCharlie CoyleAssists: Karson Kuhlman, Anders Bjork · Backhand, 0.14 xG3–3
  7. P2 0:52BOSBrad MarchandGWGAssists: Brandon Carlo, Torey Krug · Tip-in, 0.10 xG4–3
Penalties (4)
  1. P1 6:33BOSMatt Grzelcyk: Elbowing2 min
  2. P2 10:17CGYMatthew Tkachuk: Fighting5 min
  3. P2 10:17BOSJeremy Lauzon: Fighting5 min
  4. P3 5:55BOSPatrice Bergeron: Tripping2 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
45% to win55% to win
← BOS attackCGY attack →
  1. P1 20:00Backlund won the faceoff against Bergeron
  • Goal
  • Shot
  • Miss
  • Block
  • Hit
  • Takeaway
  • Giveaway
  • Faceoff
  • Penalty

The numbers

Team totals, side by side.

BOSCGY
23Shots on goal21
1.9Expected goals2.0
41Shot attempts51
24Faceoffs won28
0Power plays2
9Penalty minutes5
20Hits22
19Blocked shots9
11Giveaways11
9Takeaways6

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. bestCoyle – Bjork – Kuhlman11:28

    xG 0.65–0.08 (89%)attempts 14–6goals 1–0

  2. Bergeron – Marchand – Pastrnak13:19

    xG 0.68–0.49 (58%)attempts 11–13goals 2–1

  3. Wagner – Kuraly – Blidh7:37

    xG 0.03–0.06 (36%)attempts 4–4goals 0–0

  4. Krejci – Heinen – DeBrusk11:22

    xG 0.09–0.42 (17%)attempts 7–13goals 0–1

Defence pairs

  1. bestChara – McAvoy16:12

    xG 0.92–0.22 (81%)attempts 20–11goals 2–0

  2. Krug – Carlo15:54

    xG 0.51–0.50 (50%)attempts 8–16goals 1–1

  3. Krug – McAvoy2:18

    xG 0.00–0.03 (0%)attempts 0–1goals 0–0

Calgary Flames

Forward lines

  1. bestBacklund – Mangiapane – Tkachuk11:30

    xG 0.55–0.30 (65%)attempts 14–11goals 1–2

  2. Lucic – Bennett – Dube7:02

    xG 0.43–0.20 (68%)attempts 7–5goals 0–1

  3. Rieder – Jankowski – Ryan5:23

    xG 0.05–0.01 (90%)attempts 5–1goals 0–0

  4. Lucic – Ryan – Dube3:19

    xG 0.00–0.00attempts 0–1goals 0–0

Defence pairs

  1. bestKylington – Yelesin10:37

    xG 0.42–0.29 (59%)attempts 9–6goals 0–1

  2. Brodie – Kylington3:13

    xG 0.10–0.01 (94%)attempts 4–2goals 0–0

  3. Hanifin – Andersson19:20

    xG 0.66–0.68 (49%)attempts 17–17goals 2–2

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 2.0 xGBOS 1.9 xG
00.511.52P1P2P3EndxG

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 71/100 · #321 of 1082 this seasonSwing 1.41 · 7 goals in reach · 2-goal lead cutComeback index 19% (winner's lowest chance)
BOS 100%5050%50CGY 100%P1P2P3EndBiggest swing +22 pts

Did the better team win?

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

Based on shot quality alone, Calgary Flames win this game 50% 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).