NRL | Round 8

alphr.com.au

SYD
Roosters
VS
SGI
Dragons
ALLIANZ STADIUM, SYDNEY • FRIDAY 25 APR, 4:00 PM
🏁

AI Referee Insights

Todd Smith officiated this match (99 career games). The combined score of 64 points was 18 points above Todd Smith's career average of 46. Roosters's victory aligns with Todd Smith's historical trend — Roosters have a 55% win rate under this referee.

Based on referee career statistics • Post-match analysis

AI Game Review

Our model correctly predicted Roosters to win at 60% probability. The margin model missed here — predicting 0.9 but the actual margin was 28 points. The game's 64 points came in 22 points higher than the predicted 42. Roosters led 20–6 at the break and pulled away in the second half to win by 28. The model went 2/3 on this match. The Draw margin band call landed.

Model vs actual outcomes • Post-match analysis

Win Probability

AI Win Probability

60%RoostersFavourite

Roosters

60%

Dragons

40%

AI Match Overview

Roosters hold the advantage at 60% win probability, though Dragons are far from out of this at 40%. Dragons are stronger on paper across 4 of 7 key factors — including ELO Difference, Forward Pack and Halves Control — but Roosters counter with Backline Quality and Referee Tendency which tips the scales. Dragons carry a 39-point ELO rating advantage (1467 vs 1428). Recent form favours Dragons with 3 wins from their last 5 compared to 1 for Roosters.

Generated from model features • Pre-kick-off analysis

Edge Analysis

3 ACTIVE EDGES

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

H2H Recommendation

Roosters to Win @1.90

Winner ✓

Edge

+5.2%

Line / Spread

Roosters -1.5 @1.91

Winner ✓

Edge

+5.2%

Total Points

Under 45.5 @1.91

Lost ✗

Edge

+7.7%

Form & History

TeamLast 5Avg Pts
Roosters
WLLLL
14.0
Dragons
WWWLL
23.6

Avg Conceded

24.0

Roosters

18.0

Dragons

Avg Margin

-10.0

Roosters

5.6

Dragons

Run Metres

1630

Roosters

1780

Dragons

Line Breaks

4.8

Roosters

6.2

Dragons

Referee IndicatorAI
Favours Roosters
Todd Smith99 games since 2019

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

SYD
55%6W 5L
SGI
18%2W 9L

When Todd Smith officiates, Roosters have won 6 of 11 games (55%) vs any opponent — significantly stronger than Dragons's 2 from 11 (18%). That's a 37‑point gap across all seasons. His games average 45.7 pts, sitting close to the league average.

Avg Total

45.7 pts

Home Win %

55%

Home Bias

Leans home

H2H History (Last 5)Roosters lead 4-1
Jul 2025SYD 31 - 24 SGI
Jul 2024SYD 42 - 12 SGI
Apr 2024SYD 60 - 18 SGI
May 2023SYD 22 - 24 SGI
Apr 2023SYD 27 - 26 SGI
Prediction BreakdownPure Alpha Model

ELO–Market Disagreement

Dragons hold the ELO advantage (1467 vs 1428), but the market favours Roosters (@1.90).

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

📊Team ELO Ratings

SYD
1428Overall1467
SGI
ELO difference: -39 in favour of Dragons

🏈Positional Matchups

Player ELO aggregated by position group — higher = stronger unit

999Forwards1132
Best: 1251SGI +133Best: 1255
1089Backs995
Best: 1148SYD +94Best: 1127
1037Halves1193
Best: 1037SGI +155Best: 1193
1200Hooker1200
Even

📈Recent Form (Last 5)

SYD
Stat
SGI
1.0
Wins (Last 5)
3.0
14.0pts
Avg Score
23.6pts
24.0pts
Avg Conceded
18.0pts
-10.0pts
Avg Margin
5.6pts
1629.6m
Run Metres
1779.6m
4.8
Line Breaks
6.2
378.0
Tackles
366.4
14.2
Errors
11.6

🔑Key Prediction Factors

What the model weighted most in this prediction

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

Model Confidence

60%

Roosters predicted to win by 1 points

Predicted total: 42 · Line: +0.9

2/3 match predictions correct
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