NRL | Round 20

alphr.com.au

CRO
Sharks
VS
SYD
Roosters
SHARKS STADIUM, SYDNEY • FRIDAY 18 JULY, 6:00 PM

Win Probability

AI Game Review

Our model correctly predicted Sharks to win at 60% probability. The predicted margin of 2.0 was reasonable against the actual 13-point result. Total score prediction of 48 was close to the actual 49, within 1 points. A clean sweep, all 3 model picks hit for this match.

Model vs actual outcomes • Post-match analysis

🏁

AI Referee Insights

Todd Smith officiated this match (105 career games). The 49-point combined total was right in line with Todd Smith's career average of 46. Sharks's victory aligns with Todd Smith's historical trend, Sharks have a 67% win rate under this referee.

Based on referee career statistics • Post-match analysis

Momentum Replay
Beta
80', Sharks firmly in control (99%)
SHA31
99%80'1%
18ROO
HT100%50%0%0'20'40'60'80'
Roosters momentumMomentum +24Sharks momentum →
Next Try (within 10 min)
AI Model
15%
76% none
SHA 15%No try 76%ROO 9%
Biggest Swings

AI Win Probability

60%SharksFavourite

Sharks

60%

Roosters

40%

AI Match Overview

Sharks hold the advantage at 60% win probability, though Roosters are far from out of this at 40%. Roosters are stronger on paper across 4 of 7 key factors, including ELO Difference, Forward Pack and Backline Quality, but Sharks counter with Halves Control and Venue Advantage which tips the scales. Roosters carry a 33-point ELO rating advantage (1547 vs 1513). Recent form favours Roosters with 3 wins from their last 5 compared to 2 for Sharks. The margin model predicts Sharks by 2.0 points with a combined total of 48.

Generated from model features • Pre-kick-off analysis

Edge Analysis

2 ACTIVE EDGES

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

H2H Recommendation

Sharks to Win @1.63

Winner ✓

Edge

+5.3%

Line / Spread

Sharks -2.5 @1.91

Winner ✓

Edge

+5.3%

Total Points

Over 46.5 @1.91

Winner ✓

Edge

+1.9%

Form & History

TeamLast 5Avg Pts
Sharks
W
W
L
L
L
19.6
Roosters
W
W
W
L
L
27.4

Avg Conceded

26.8

Sharks

19.2

Roosters

Avg Margin

-7.2

Sharks

8.2

Roosters

Run Metres

1734

Sharks

1706

Roosters

Line Breaks

5.2

Sharks

4.8

Roosters

Referee Indicator

Favours Sharks

Todd Smith

105 career games · since 2019

AI Analysis

Win rate when Todd Smith refs each team (vs any opponent)

Sharks
10W – 5L
67%
Roosters
8W – 6L
57%

Sharks hold a 10-point edge: 10W–5L (67%) vs Roosters's 8W–6L (57%). Games average 46.1 pts, above the league norm, suggesting a free-flowing style.

Avg Total

46.1 pts

Home Win %

53%

Home Bias

Leans home

Penalty & Discipline

Pen / Game

10.7

Sin Bins / Gm

0.50

SB Away %

52%

Avg Penalties Per Game

vs Home Teams5.3
vs Away Teams5.4

Penalty Advantage Under This Ref

Positive = opponent penalised more than your team

Sharks
+0.5
Roosters
+0.0

Sharks get a +0.5 penalty advantage under Todd Smith vs Roosters's +0.0.

H2H History (Last 5)Roosters lead 3-2
Apr 2026CRO 22 - 34 SYD
Sep 2025CRO 20 - 10 SYD
May 2025CRO 16 - 42 SYD
May 2024CRO 38 - 30 SYD
Sep 2023CRO 12 - 13 SYD
Prediction BreakdownPure Alpha Model

ELO–Market Disagreement

Roosters hold the ELO advantage (1547 vs 1513), but the market favours Sharks (@1.63).

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

📊Team ELO Ratings

CRO
1513Overall1547
SYD
ELO difference: -33 in favour of Roosters

🏈Positional Matchups

Player ELO aggregated by position group, higher = stronger unit

1026Forwards1144
Best: 1258SYD +118Best: 1311
1027Backs1164
Best: 1052SYD +136Best: 1200
1188Halves1015
Best: 1188CRO +173Best: 1015
1270Hooker1175
CRO +94

📈Recent Form (Last 5)

CRO
Stat
SYD
2.0
Wins (Last 5)
3.0
19.6pts
Avg Score
27.4pts
26.8pts
Avg Conceded
19.2pts
-7.2pts
Avg Margin
8.2pts
1733.8m
Run Metres
1706.2m
5.2
Line Breaks
4.8
363.2
Tackles
394.0
10.4
Errors
11.8

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

Model Confidence

60%

Sharks predicted to win by 2 points

Predicted total: 48 · Line: +2.0

3/3 match predictions correct
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