NRL | Round 21

alphr.com.au

SOU
Rabbitohs
VS
CRO
Sharks
POLYTEC STADIUM, GOSFORD • SATURDAY 26 JULY, 7:35 PM

Win Probability

AI Game Review

Our model correctly predicted Sharks to win at 67% probability. The predicted margin of 6.6 was reasonable against the actual 2-point result. The game's 26 points came in 28 points lower than the predicted 54. Sharks trailed 6–2 at half-time before staging a second-half comeback to win 12–14. The model went 2/3 on this match. The 1-12 margin band call landed.

Model vs actual outcomes • Post-match analysis

🏁

AI Referee Insights

Belinda Sharpe officiated this match (23 career games). The combined score of 26 points was 16 points below Belinda Sharpe's career average of 42. Sharks's victory aligns with Belinda Sharpe's historical trend, Sharks have a 33% win rate under this referee.

Based on referee career statistics • Post-match analysis

Momentum Replay
Beta
80', Sharks firmly in control (99%)
RAB12
1%80'99%
14SHA
HT100%50%0%0'20'40'60'80'
Sharks momentumMomentum +2Rabbitohs momentum →
Next Try (within 10 min)
AI Model
87% none
RAB 7%No try 87%SHA 6%
Biggest Swings

AI Win Probability

67%SharksFavourite

Rabbitohs

33%

Sharks

67%

AI Match Overview

Sharks are clear favourites here at 67%, with our model expecting a comfortable victory over Rabbitohs. Both sides are evenly matched across the key prediction factors, which explains the tight margin between them. Sharks carry a 232-point ELO rating advantage (1545 vs 1313). Recent form favours Sharks with 3 wins from their last 5 compared to 0 for Rabbitohs. The margin model predicts Sharks by 6.6 points with a combined total of 54.

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 @1.23

Winner ✓

Edge

-16.6%

Line / Spread

Sharks +11.5 @1.91

Winner ✓

Edge

-16.6%

Total Points

Over 48.5 @1.91

Lost ✗

Edge

+15.5%

Form & History

TeamLast 5Avg Pts
Rabbitohs
L
L
L
L
L
18.4
Sharks
W
W
W
L
L
23.8

Avg Conceded

31.8

Rabbitohs

22.4

Sharks

Avg Margin

-13.4

Rabbitohs

1.4

Sharks

Run Metres

1502

Rabbitohs

1791

Sharks

Line Breaks

4.8

Rabbitohs

5.4

Sharks

Referee Indicator

Favours Sharks

Belinda Sharpe

23 career games · since 2019

AI Analysis

Win rate when Belinda Sharpe refs each team (vs any opponent)

Rabbitohs
1W – 4L
20%
Sharks
1W – 2L
33%

Sharks hold a 13-point edge: 1W–2L (33%) vs Rabbitohs's 1W–4L (20%). Small sample (3 games for Sharks).

Avg Total

42.1 pts

Home Win %

52%

Home Bias

Neutral

Penalty & Discipline

Pen / Game

11.9

Sin Bins / Gm

0.52

SB Away %

33%

Avg Penalties Per Game

vs Home Teams5.7
vs Away Teams6.2

Penalty Advantage Under This Ref

Positive = opponent penalised more than your team

Rabbitohs
-3.4
Sharks
+4.3

Penalises away teams more, 5.7 against home vs 6.2 against away. Sharks get a +4.3 penalty advantage under Belinda Sharpe vs Rabbitohs's -3.4. 67% of his 12 career sin bins go to home teams, unusual.

H2H History (Last 5)Sharks lead 4-1
May 2026SOU 36 - 12 CRO
Mar 2025SOU 12 - 27 CRO
Aug 2024SOU 6 - 20 CRO
Apr 2024SOU 22 - 34 CRO
Aug 2023SOU 16 - 26 CRO
Prediction BreakdownPure Alpha Model

📊Team ELO Ratings

SOU
1313Overall1545
CRO
ELO difference: -232 in favour of Sharks

🏈Positional Matchups

Player ELO aggregated by position group, higher = stronger unit

1096Forwards1002
Best: 1235SOU +95Best: 1304
1112Backs1069
Best: 1165SOU +42Best: 1145
961Halves1205
Best: 961CRO +244Best: 1205
1195Hooker1273
CRO +78

📈Recent Form (Last 5)

SOU
Stat
CRO
0.0
Wins (Last 5)
3.0
18.4pts
Avg Score
23.8pts
31.8pts
Avg Conceded
22.4pts
-13.4pts
Avg Margin
1.4pts
1502.0m
Run Metres
1791.0m
4.8
Line Breaks
5.4
373.4
Tackles
355.2
9.6
Errors
11.0

🔑Key Prediction Factors

What the model weighted most in this prediction

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

Model Confidence

67%

Sharks predicted to win by 7 points

Predicted total: 54 · Line: -6.6

2/3 match predictions correct
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