NRL | Round 8

alphr.com.au

WST
Wests Tigers
VS
CRO
Sharks
LEICHHARDT OVAL, SYDNEY • SUNDAY 27 APR, 4:05 PM
🏁

AI Referee Insights

Grant Atkins officiated this match (312 career games). The combined score of 38 points was 5 points below Grant Atkins's career average of 43. Wests Tigers bucked the trend — Sharks historically win 55% of games under Grant Atkins, but couldn't convert that edge today.

Based on referee career statistics • Post-match analysis

AI Game Review

Wests Tigers defied the model's 62% prediction for Sharks — a notable upset. The predicted margin of 3.3 was reasonable against the actual 2-point result. Total score prediction of 40 was close to the actual 38 — within 2 points. The model went 1/3 on this match. The over 25.5 total call was correct.

Model vs actual outcomes • Post-match analysis

Win Probability

AI Win Probability

62%SharksFavourite

Wests Tigers

38%

Sharks

62%

AI Match Overview

Sharks hold the advantage at 62% win probability, though Wests Tigers are far from out of this at 38%. The model sees Sharks ahead on 4 of 7 key factors including ELO Difference, Backline Quality and Halves Control. Sharks carry a 206-point ELO rating advantage (1569 vs 1363). Recent form favours Sharks with 3 wins from their last 5 compared to 2 for Wests Tigers. The margin model predicts Sharks by 3.3 points with a combined total of 40.

Generated from model features • Pre-kick-off analysis

Edge Analysis

1 ACTIVE EDGE

Each market is predicted by an independent model — H2H, margin, and totals may occasionally disagree.

H2H Recommendation

Sharks to Win @1.45

Lost ✗

Edge

-5.1%

Line / Spread

Sharks +6.5 @1.91

Lost ✗

Edge

-5.1%

Total Points

Over 25.5 @1.91

Winner ✓

Edge

+35.2%

Form & History

TeamLast 5Avg Pts
Wests Tigers
WWLLL
24.0
Sharks
WWWLL
22.2

Avg Conceded

26.4

Wests Tigers

17.6

Sharks

Avg Margin

-2.4

Wests Tigers

4.6

Sharks

Run Metres

1626

Wests Tigers

1766

Sharks

Line Breaks

4.0

Wests Tigers

4.0

Sharks

Referee IndicatorAI
Favours Sharks
Grant Atkins312 games since 2013

Each team's win rate when Grant Atkins refs their game (vs any opponent, all seasons)

WST
41%11W 16L
CRO
55%17W 14L

Sharks hold a 14‑point edge: 17W–14L (55%) vs Wests Tigers's 11W–16L (41%) across all games Grant Atkins has refereed for each side. His games average 42.9 pts, sitting close to the league average.

Avg Total

42.9 pts

Home Win %

55%

Home Bias

Leans home

H2H History (Last 5)Sharks lead 4-1
Jul 2024WST 6 - 58 CRO
Mar 2024WST 32 - 6 CRO
Jul 2023WST 12 - 36 CRO
Aug 2022WST 12 - 36 CRO
Apr 2022WST 4 - 30 CRO
Prediction BreakdownPure Alpha Model

📊Team ELO Ratings

WST
1363Overall1569
CRO
ELO difference: -206 in favour of Sharks

🏈Positional Matchups

Player ELO aggregated by position group — higher = stronger unit

1002Forwards1003
Best: 1291EvenBest: 1252
970Backs1052
Best: 1052CRO +82Best: 1141
1117Halves1207
Best: 1117CRO +91Best: 1207
1104Hooker1111
Even

📈Recent Form (Last 5)

WST
Stat
CRO
2.0
Wins (Last 5)
3.0
24.0pts
Avg Score
22.2pts
26.4pts
Avg Conceded
17.6pts
-2.4pts
Avg Margin
4.6pts
1626.0m
Run Metres
1766.2m
4.0
Line Breaks
4.0
309.6
Tackles
339.0
10.0
Errors
11.2

🔑Key Prediction Factors

What the model weighted most in this prediction

1
ELO Difference14.0%
Sharks
2
Forward Pack12.0%
Tigers
3
Backline Quality10.0%
Sharks
4
Halves Control9.0%
Sharks
5
Recent Win Rate9.0%
Sharks
6
Referee Tendency7.0%
7
Venue Advantage7.0%

Model Confidence

62%

Sharks predicted to win by 3 points

Predicted total: 40 · Line: -3.3

1/3 match predictions correct
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