NRL | Round 27

alphr.com.au

SYD
Roosters
VS
SOU
Rabbitohs
ALLIANZ STADIUM, SYDNEY • FRIDAY 5 SEPT, 8:00 PM

Win Probability

AI Game Review

Our model correctly predicted Roosters to win at 64% probability. The margin model missed here, predicting 11.3 but the actual margin was 30 points. Total score prediction of 48 was close to the actual 42, within 6 points. Roosters led 10–6 at the break and pulled away in the second half to win by 30. A clean sweep, all 3 model picks hit for this match.

Model vs actual outcomes • Post-match analysis

🏁

AI Referee Insights

Adam Gee officiated this match (295 career games). The 42-point combined total was right in line with Adam Gee's career average of 43. Roosters's victory aligns with Adam Gee's historical trend, Roosters have a 65% win rate under this referee. Roosters's home victory fits Adam Gee's profile, home teams win 57% of the time under this referee. Adam Gee averaged 13.7 penalties per game heading in, a whistle-heavy referee profile. 69% of his career sin bins go against away teams, a statistically significant away-team bias.

Based on referee career statistics • Post-match analysis

Momentum Replay
Beta
80', Roosters firmly in control (99%)
ROO36
99%80'1%
6RAB
HT100%50%0%0'20'40'60'80'
Rabbitohs momentumMomentum -0Roosters momentum →
Next Try (within 10 min)
AI Model
82% none
ROO 11%No try 82%RAB 7%
Biggest Swings

AI Win Probability

64%RoostersFavourite

Roosters

64%

Rabbitohs

36%

AI Match Overview

Roosters hold the advantage at 64% win probability, though Rabbitohs are far from out of this at 36%. The model sees Roosters ahead on 5 of 7 key factors including ELO Difference, Backline Quality and Recent Win Rate. Roosters carry a 249-point ELO rating advantage (1638 vs 1388). Recent form favours Roosters with 4 wins from their last 5 compared to 3 for Rabbitohs. The margin model predicts Roosters by 11.3 points with a combined total of 48.

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

Roosters to Win @1.40

Winner ✓

Edge

-15.6%

Line / Spread

Roosters -8.5 @1.91

Winner ✓

Edge

-15.6%

Total Points

Under 50.5 @1.91

Winner ✓

Edge

+5.8%

Form & History

TeamLast 5Avg Pts
Roosters
W
W
W
W
L
33.2
Rabbitohs
W
W
W
L
L
21.2

Avg Conceded

13.6

Roosters

21.6

Rabbitohs

Avg Margin

19.6

Roosters

-0.4

Rabbitohs

Run Metres

1504

Roosters

1538

Rabbitohs

Line Breaks

5.0

Roosters

4.6

Rabbitohs

Referee Indicator

Favours Roosters

Adam Gee

295 career games · since 2013

AI Analysis

Win rate when Adam Gee refs each team (vs any opponent)

Roosters
26W – 14L
65%
Rabbitohs
15W – 18L
45%

When Adam Gee officiates, Roosters have won 26 of 40 games (65%), significantly stronger than Rabbitohs's 15 from 33 (45%). Home teams win 57% of his matches (vs ~52% league avg).

Avg Total

42.8 pts

Home Win %

57%

Home Bias

Leans home

Penalty & Discipline

Pen / Game

13.7

Sin Bins / Gm

0.24

SB Away %

69%

Avg Penalties Per Game

vs Home Teams6.3
vs Away Teams7.4

Penalty Advantage Under This Ref

Positive = opponent penalised more than your team

Roosters
-1.4
Rabbitohs
-0.9

Adam Gee averages 13.7 penalties per game, above the league norm. Expect frequent stoppages. Penalises away teams more, 6.3 against home vs 7.4 against away. Rabbitohs get a +-0.9 penalty advantage under Adam Gee vs Roosters's -1.4. 69% of his 36 career sin bins go to away teams.

H2H History (Last 5)Roosters lead 4-1
Mar 2026SYD 26 - 18 SOU
Apr 2025SYD 14 - 20 SOU
Sep 2024SYD 36 - 28 SOU
Mar 2024SYD 48 - 6 SOU
Sep 2023SYD 26 - 12 SOU
Prediction BreakdownPure Alpha Model

📊Team ELO Ratings

SYD
1638Overall1388
SOU
ELO difference: +249 in favour of Roosters

🏈Positional Matchups

Player ELO aggregated by position group, higher = stronger unit

1061Forwards1188
Best: 1239SOU +127Best: 1351
1129Backs1119
Best: 1200SYD +10Best: 1227
1148Halves1340
Best: 1148SOU +191Best: 1340
815Hooker635
SYD +180

📈Recent Form (Last 5)

SYD
Stat
SOU
4.0
Wins (Last 5)
3.0
33.2pts
Avg Score
21.2pts
13.6pts
Avg Conceded
21.6pts
19.6pts
Avg Margin
-0.4pts
1504.4m
Run Metres
1537.6m
5.0
Line Breaks
4.6
308.4
Tackles
341.6
12.4
Errors
8.6

🔑Key Prediction Factors

What the model weighted most in this prediction

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

Model Confidence

64%

Roosters predicted to win by 11 points

Predicted total: 48 · Line: +11.3

3/3 match predictions correct
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