Boston Bruins at Calgary Flames NHL Predictions
2021-12-11 • Scotiabank Saddledome
Calgary Flames 2 - 4 Boston Bruins
🚨 Upset Loss (61% underdog)
📊 Pre-Game Predictions
Win Probability
CGY: 60.8%
BOS: 39.2%
Expected Goals
CGY: 3.75
BOS: 2.93
Total Goals
Median: 6.2
Over 5.5: 60%
Over 6.5: 48%
🥅 Goalie Matchup
CGY
J. Markstrom
BOS
L. Ullmark
| Stat | CGY | BOS |
|---|---|---|
| Season SV% | — | — |
| Last 5 SV% | — | — |
| SV% vs Opponent | — | — |
| GAA | — | — |
Last 5 / vs opponent shown when available in goalie stats. Confirmed goalie row used when available; otherwise current projected starter is shown.
Goalie Game Metrics
| Team | Goalie | SA | Saves | GA | SV% | xGA | HD Faced | GSAx |
|---|---|---|---|---|---|---|---|---|
| CGY | J. Markstrom | 27 | 23 | 4 | 85.2% | 2.00 | 0 | -2.00 |
| BOS | L. Ullmark | 42 | 40 | 2 | 95.2% | 5.10 | 4 | 3.10 |
SA uses shots on goal plus goals. xGA, high-danger faced, and GSAx use modeled scoring attempts against. GSAx is xGA minus goals against.
Head-to-Head History
Model accuracy in this matchup: 60% • CGY at home vs BOS: 2-3
| Date | Score | Winner | Model Pick |
|---|---|---|---|
| 2026-01-08 | BOS 4 - 1 CGY | BOS | BOS |
| 2025-12-29 | CGY 2 - 1 BOS | CGY | CGY |
| 2024-12-17 | CGY 3 - 4 BOS | BOS | BOS |
| 2024-11-07 | BOS 4 - 3 CGY | BOS | BOS |
| 2024-02-22 | CGY 3 - 2 BOS | CGY | CGY |
Shot Quality by Period
| Period | Team | Shots | High Danger | xG |
|---|---|---|---|---|
| 1 | CGY | 22 | 1 | 1.45 |
| 1 | BOS | 9 | 0 | 0.57 |
| 2 | CGY | 20 | 3 | 2.22 |
| 2 | BOS | 10 | 0 | 0.69 |
| 3 | CGY | 20 | 0 | 1.44 |
| 3 | BOS | 13 | 0 | 0.73 |
Shots are modeled attempts: shots on goal, goals, and missed shots. Blocked shots are excluded. High danger is xG >= 0.20.
📈 Post-Game Analysis
Prediction Result
❌ Incorrect
Confidence: 60.8%
Total Goals
Actual: 6.0
Expected: 6.7
Score Breakdown
Calgary Flames 2 - 4 Boston Bruins
Expected: 3.7 - 2.9
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