NRL | Round 20

alphr.com.au

CRO
Sharks
VS
SYD
Roosters
SHARKS STADIUM, SYDNEY • FRIDAY 18 JULY, 6:00 PM
🏁

AI Referee Insights

Todd Smith officiated this match (99 career games). The 49-point combined total was right in line with Todd Smith's career average of 46.

Based on referee career statistics • Post-match analysis

AI Game Review

Our model correctly predicted Sharks to win at 60% probability. The predicted margin of 2.0 was reasonable against the actual 13-point result. Total score prediction of 48 was close to the actual 49 — within 1 points. A clean sweep — all 3 model picks hit for this match.

Model vs actual outcomes • Post-match analysis

Win Probability

AI Win Probability

60%SharksFavourite

Sharks

60%

Roosters

40%

AI Match Overview

Sharks hold the advantage at 60% win probability, though Roosters are far from out of this at 40%. Roosters are stronger on paper across 4 of 7 key factors — including ELO Difference, Forward Pack and Backline Quality — but Sharks counter with Halves Control and Venue Advantage which tips the scales. Roosters carry a 33-point ELO rating advantage (1547 vs 1513). Recent form favours Roosters with 3 wins from their last 5 compared to 2 for Sharks. The margin model predicts Sharks by 2.0 points with a combined total of 48.

Generated from model features • Pre-kick-off analysis

Edge Analysis

2 ACTIVE EDGES

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

H2H Recommendation

Sharks to Win @1.63

Winner ✓

Edge

+5.3%

Line / Spread

Sharks -2.5 @1.91

Winner ✓

Edge

+5.3%

Total Points

Over 46.5 @1.91

Winner ✓

Edge

+1.9%

Form & History

TeamLast 5Avg Pts
Sharks
WWLLL
19.6
Roosters
WWWLL
27.4

Avg Conceded

26.8

Sharks

19.2

Roosters

Avg Margin

-7.2

Sharks

8.2

Roosters

Run Metres

1734

Sharks

1706

Roosters

Line Breaks

5.2

Sharks

4.8

Roosters

Referee IndicatorAI
Balanced record
Todd Smith99 games since 2019

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

CRO
67%8W 4L
SYD
64%7W 4L

Both sides have a similar record when Todd Smith officiates — Sharks 8W–4L (67%) and Roosters 7W–4L (64%) across all their respective games. No significant bias detected. His games average 45.9 pts, sitting close to the league average.

Avg Total

45.9 pts

Home Win %

55%

Home Bias

Leans home

H2H History (Last 5)Sharks lead 3-2
Sep 2025CRO 20 - 10 SYD
May 2025CRO 16 - 42 SYD
May 2024CRO 38 - 30 SYD
Sep 2023CRO 12 - 13 SYD
Apr 2023CRO 22 - 12 SYD
Prediction BreakdownPure Alpha Model

ELO–Market Disagreement

Roosters hold the ELO advantage (1547 vs 1513), but the market favours Sharks (@1.63).

The model sides with the market — other factors override the ELO gap.

📊Team ELO Ratings

CRO
1513Overall1547
SYD
ELO difference: -33 in favour of Roosters

🏈Positional Matchups

Player ELO aggregated by position group — higher = stronger unit

1026Forwards1144
Best: 1258SYD +118Best: 1311
1027Backs1164
Best: 1052SYD +136Best: 1200
1188Halves1015
Best: 1188CRO +173Best: 1015
1270Hooker1175
CRO +94

📈Recent Form (Last 5)

CRO
Stat
SYD
2.0
Wins (Last 5)
3.0
19.6pts
Avg Score
27.4pts
26.8pts
Avg Conceded
19.2pts
-7.2pts
Avg Margin
8.2pts
1733.8m
Run Metres
1706.2m
5.2
Line Breaks
4.8
363.2
Tackles
394.0
10.4
Errors
11.8

🔑Key Prediction Factors

What the model weighted most in this prediction

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

Model Confidence

60%

Sharks predicted to win by 2 points

Predicted total: 48 · Line: +2.0

3/3 match predictions correct
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