Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 29 SEPTEMBER CLASSIFIED STAKES (For horses with nett rating of 71 and below)

Line Horse
Parker Getrix
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
0 / 12
Within 2 points
Significant Diffs
10 / 12
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
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1    Never To Clever      4    54.0    1    0.00     5.0   59    56           56    -3
2    Clarkson             4    60.0    2    0.25     5.0   70    68           68    -2
3    Prosper's Gift       2    56.0    3    0.75     0.0   76    74           74    -2
4    Parker Getrix        4    54.0    4    1.50     5.0   59    59           59    +0
5    Johnny Dogs          2    58.0    5    2.00     0.0   80    77           77    -3
6    Funky Music          4    58.5    6    4.00     5.0   67    66           66    -1
7    Dark Tide            5    56.0    7    5.10     0.0   63    70           70    +7
8    Gal Gadot            8    54.0    8    5.25     0.0   63    66           66    +3
9    Who's That Star      3    60.0    9    15.50    8.0   70    62           62    -8
10   Desert Crusader      3    54.0    10   18.50    8.0   58    50           50    -8
11   Bevoeterd            3    54.0    11   19.50    8.0   60    50           50    -10
12   Speechmaker          5    56.0    12   23.50    0.0   64    70           70    +6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Never To Clever 59 64 56 +8 5.0 -
2 Clarkson 70 75 68 +7 5.0 -
3 Prosper's Gift 76 64 74 -10 0.0 -
4 Parker Getrix Line 59 56 59 -3 5.0
5 Johnny Dogs 80 67 77 -10 0.0 -
6 Funky Music 67 83 66 +17 5.0 -
7 Dark Tide 63 53 70 -17 0.0 -
8 Gal Gadot 63 50 66 -16 0.0 -
9 Who's That Star 70 68 62 +6 8.0 -
10 Desert Crusader 58 54 50 +4 8.0 -
11 Bevoeterd 60 58 50 +8 8.0 -
12 Speechmaker 64 61 70 -9 0.0 -
Assessment Methodology
Calculation Steps:
  1. Identify Line Horse - consistent performer used as reference
  2. Calculate WFA Allowance based on age, distance, and month
  3. Apply Drag Adjustment for beaten margin
  4. Calculate Actual Weight Performance:
    Weight - Drag - WFA
  5. Compare to Line Horse to determine race rating
  6. Apply special rules (maiden caps, layoff allowance)
Key Formulas:
  • Drag Effect: Varies by distance (see Benchmarks page)
  • 1 length ≈ 1kg at 1 mile (1600m)
  • WFA Scale: Based on Admiral Rous's 1855 table
  • Rating Points: 1kg = 2 rating points