NRL | Round 22

alphr.com.au

MAN
Sea Eagles
VS
SYD
Roosters
4 PINES PARK, SYDNEY • SATURDAY 2 AUG, 7:35 PM

Win Probability

AI Game Review

Roosters defied the model's 55% prediction for Sea Eagles, a notable result. The margin model missed here, predicting 0.3 but the actual margin was 16 points. The game's 24 points came in 18 points lower than the predicted 42. Roosters led 4–12 at the break and pulled away in the second half to win by 16. The model went 1/3 on this match. The under 43.5 total call was correct.

Model vs actual outcomes • Post-match analysis

🏁

AI Referee Insights

Grant Atkins officiated this match (318 career games). The combined score of 24 points was 19 points below Grant Atkins's career average of 43. Roosters's victory aligns with Grant Atkins's historical trend, Roosters have a 63% win rate under this referee. Grant Atkins averaged 14.4 penalties per game heading in, a whistle-heavy referee profile.

Based on referee career statistics • Post-match analysis

Momentum Replay
Beta
80', Roosters firmly in control (99%)
SEA4
1%80'99%
20ROO
HT100%50%0%0'20'40'60'80'
Roosters momentumMomentum +3Sea Eagles momentum →
Next Try (within 10 min)
AI Model
18%
74% none
SEA 18%No try 74%ROO 8%
Biggest Swings

AI Win Probability

55%Sea EaglesFavourite

Sea Eagles

55%

Roosters

45%

AI Match Overview

Sea Eagles hold the advantage at 55% win probability, though Roosters are far from out of this at 45%. Both sides are evenly matched across the key prediction factors, which explains the tight margin between them. Roosters carry a 35-point ELO rating advantage (1499 vs 1464). Recent form favours Sea Eagles with 3 wins from their last 5 compared to 2 for Roosters.

Generated from model features • Pre-kick-off analysis

Edge Analysis

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

H2H Recommendation

Sea Eagles to Win @1.72

Lost ✗

Edge

+2.2%

Line / Spread

Sea Eagles -2.5 @1.91

Lost ✗

Edge

+2.2%

Total Points

Under 43.5 @1.91

Winner ✓

Edge

+1.6%

Form & History

TeamLast 5Avg Pts
Sea Eagles
W
W
W
L
L
17.6
Roosters
W
W
L
L
L
29.8

Avg Conceded

21.6

Sea Eagles

25.4

Roosters

Avg Margin

-4.0

Sea Eagles

4.4

Roosters

Run Metres

1611

Sea Eagles

1610

Roosters

Line Breaks

4.2

Sea Eagles

4.0

Roosters

Referee Indicator

Favours Roosters

Grant Atkins

318 career games · since 2013

AI Analysis

Win rate when Grant Atkins refs each team (vs any opponent)

Sea Eagles
21W – 17L
55%
Roosters
35W – 21L
63%

Roosters hold a 8-point edge: 35W–21L (63%) vs Sea Eagles's 21W–17L (55%).

Avg Total

43.2 pts

Home Win %

54%

Home Bias

Leans home

Penalty & Discipline

Pen / Game

14.4

Sin Bins / Gm

0.29

SB Away %

56%

Avg Penalties Per Game

vs Home Teams6.8
vs Away Teams7.6

Penalty Advantage Under This Ref

Positive = opponent penalised more than your team

Sea Eagles
-0.6
Roosters
+0.3

Grant Atkins averages 14.4 penalties per game, above the league norm. Expect frequent stoppages. Penalises away teams more, 6.8 against home vs 7.6 against away. Roosters get a +0.3 penalty advantage under Grant Atkins vs Sea Eagles's -0.6.

H2H History (Last 5)Roosters lead 4-1
Mar 2026MAN 16 - 33 SYD
Oct 2024MAN 16 - 40 SYD
Aug 2024MAN 30 - 34 SYD
Mar 2024MAN 21 - 14 SYD
Aug 2023MAN 16 - 26 SYD
Prediction BreakdownPure Alpha Model

ELO–Market Disagreement

Roosters hold the ELO advantage (1499 vs 1464), but the market favours Sea Eagles (@1.72).

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

📊Team ELO Ratings

MAN
1464Overall1499
SYD
ELO difference: -35 in favour of Roosters

🏈Positional Matchups

Player ELO aggregated by position group, higher = stronger unit

997Forwards1107
Best: 1251SYD +111Best: 1274
985Backs975
Best: 1067MAN +11Best: 1039
1307Halves1348
Best: 1307SYD +41Best: 1348
1091Hooker1018
MAN +73

📈Recent Form (Last 5)

MAN
Stat
SYD
3.0
Wins (Last 5)
2.0
17.6pts
Avg Score
29.8pts
21.6pts
Avg Conceded
25.4pts
-4.0pts
Avg Margin
4.4pts
1611.4m
Run Metres
1609.8m
4.2
Line Breaks
4.0
356.8
Tackles
360.0
11.6
Errors
11.6

🔑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%
Eagles
4
Halves Control9.0%
Roosters
5
Recent Win Rate9.0%
Eagles
6
Referee Tendency7.0%
7
Venue Advantage7.0%
Eagles

Model Confidence

55%

Sea Eagles predicted to win by 0 points

Predicted total: 42 · Line: +0.3

1/3 match predictions correct
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