NRL | Round 7

alphr.com.au

SYD
Roosters
VS
NEW
Knights
ALLIANZ STADIUM, SYDNEY • SUNDAY 19 APR, 2:00 PM

Win Probability

AI Game Review

Our model correctly predicted Roosters to win at 60% probability. The predicted margin of 8.7 was reasonable against the actual 14-point result. The game's 62 points came in 17 points higher than the predicted 45. Roosters trailed 12–24 at half-time before staging a second-half comeback to win 38–24. The model went 5/17 on this match.

Model vs actual outcomes • Post-match analysis

🏁

AI Referee Insights

Ashley Klein officiated this match (380 career games). The combined score of 62 points was 19 points above Ashley Klein's career average of 43. Roosters's victory aligns with Ashley Klein's historical trend, Roosters have a 59% win rate under this referee. Roosters's home victory fits Ashley Klein's profile, home teams win 60% of the time under this referee. 75% 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%)
ROO38
99%80'1%
24KNI
HT100%50%0%0'20'40'60'80'
Knights momentumMomentum +5Roosters momentum →
Next Try (within 10 min)
AI Model
84% none
ROO 8%No try 84%KNI 8%
Biggest Swings

AI Win Probability

60%RoostersFavourite

Roosters

60%

Knights

40%

AI Match Overview

Roosters hold the advantage at 60% win probability, though Knights are far from out of this at 40%. The model sees Roosters ahead on 6 of 7 key factors including ELO Difference, Forward Pack and Backline Quality. Roosters carry a 120-point ELO rating advantage (1563 vs 1443). The margin model predicts Roosters by 8.7 points with a combined total of 45.

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

Roosters to Win @1.29

Winner ✓

Edge

-13.7%

Line / Spread

Knights +11.5 @1.91

Lost ✗

Edge

+0.0%

Margin Band

Roosters 1-12 @2.55

Lost ✗

Edge

+0.0%

Total Points

Under 52.5 @1.91

Lost ✗

Edge

+0.0%

Form & History

TeamLast 5Avg Pts
Roosters
R2026-R1L
R2026-R2W
R2026-R3L
R2026-R4W
R2026-R6W

older → newer

23.0
Knights
R2026-R2W
R2026-R3L
R2026-R4W
R2026-R5W
R2026-R6L
25.2

Avg Conceded

27.6

Roosters

24.8

Knights

Avg Margin

-4.6

Roosters

0.4

Knights

Run Metres

1762

Roosters

1670

Knights

Line Breaks

4.8

Roosters

4.6

Knights

Referee Indicator

Favours Roosters

Ashley Klein

380 career games · since 2012

AI Analysis

Win rate when Ashley Klein refs each team (vs any opponent)

Roosters
41W – 28L
59%
Knights
16W – 24L
40%

When Ashley Klein officiates, Roosters have won 41 of 69 games (59%), significantly stronger than Knights's 16 from 40 (40%). Home teams win 60% of his matches (vs ~52% league avg).

Avg Total

43.4 pts

Home Win %

60%

Home Bias

Leans home

Penalty & Discipline

Pen / Game

1.4

Sin Bins / Gm

0.13

SB Away %

75%

Avg Penalties Per Game

vs Home Teams0.8
vs Away Teams0.6

Penalty Advantage Under This Ref

Positive = opponent penalised more than your team

Roosters
+0.0
Knights
+0.0

Ashley Klein averages just 1.4 penalties per game, well below average. He lets the game flow.

H2H History (Last 5)Roosters lead 4-1
Jun 2025SYD 12 - 8 NEW
Apr 2024SYD 22 - 20 NEW
Jun 2023SYD 18 - 16 NEW
Jul 2022SYD 42 - 12 NEW
Mar 2022SYD 6 - 20 NEW
Prediction BreakdownPure Alpha Model

📊Team ELO Ratings

SYD
1563Overall1443
NEW
ELO difference: +120 in favour of Roosters

🏈Positional Matchups

Player ELO aggregated by position group, higher = stronger unit

1059Forwards938
SYD +121
1044Backs976
SYD +69
1047Halves960
SYD +88
1102Hooker937
SYD +165

📈Recent Form (Last 5)

SYD
Stat
NEW
3.0
Wins (Last 5)
3.0
23.0pts
Avg Score
25.2pts
27.6pts
Avg Conceded
24.8pts
-4.6pts
Avg Margin
0.4pts
1762.0m
Run Metres
1670.2m
4.8
Line Breaks
4.6
326.8
Tackles
347.4
12.8
Errors
11.2

🔑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%
Roosters
5
Recent Win Rate9.0%
6
Referee Tendency7.0%
Roosters
7
Venue Advantage7.0%
Roosters

Model Confidence

60%

Roosters predicted to win by 9 points

Predicted total: 45 · Line: +8.7

1/4 match predictions correct4/13 scorer picks correct
Scorer Markets

Anytime Try Scorer

Model probability vs Sportsbet overlay, ranked by edge.

8 Plays
Mark NawaqanitawaseRoosters
backFair 1.162+ 59%
$1.43
+16.5% edge
Model
86%
Market
70%
Confidence
86%
Daniel TupouRoosters
backFair 1.252+ 48%
$1.52
+14.5% edge
Model
80%
Market
66%
Confidence
80%
James TedescoRoosters
backFair 1.542+ 28%
$1.86
+11.3% edge
Model
65%
Market
54%
Confidence
65%
Fletcher SharpeKnights
backFair 1.902+ 17%
$2.15
+6.2% edge
Model
53%
Market
47%
Confidence
53%
Robert ToiaRoosters
backFair 2.092+ 14%
$2.15
+1.3% edge
Model
48%
Market
47%
Confidence
48%
Fletcher HuntKnights
backFair 4.442+ 3%
$2.70
-14.5% edge
Model
23%
Market
37%
Confidence
23%
Greg MarzhewKnights
backFair 2.972+ 6%
$2.00
-16.3% edge
Model
34%
Market
50%
Confidence
34%
Hugo SavalaRoosters
backFair 6.262+ 1%
$2.60
-22.5% edge
Model
16%
Market
38%
Confidence
16%
Scorer Markets

First Try Scorer

Team-normalised first-try share using the current lineups and opposition defence profile.

5 Plays
Fletcher SharpeKnights
backFair 4.662+ 17%
$12.00
+13.1% edge
Model
21%
Market
8%
Confidence
21%
Greg MarzhewKnights
backFair 8.512+ 6%
$12.00
+3.4% edge
Model
12%
Market
8%
Confidence
12%
Mark NawaqanitawaseRoosters
backFair 6.062+ 59%
$7.00
+2.2% edge
Model
16%
Market
14%
Confidence
16%
Daniel TupouRoosters
backFair 7.462+ 48%
$8.00
+0.9% edge
Model
13%
Market
13%
Confidence
13%
Fletcher HuntKnights
backFair 13.702+ 3%
$14.00
+0.2% edge
Model
7%
Market
7%
Confidence
7%