Official NHA Assessment

Race 5: UNISTAR INKS D STAKES (For All Horses with a nett rating of 69 & below)

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Line Horse
Pongola
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
5 / 12
Within 2 points
Significant Diffs
4 / 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    Run To Rio           4    61.5    1    0.00     1.5   62    58           58    -4
2    Gorgeous Dude        4    55.5    2    1.70     1.5   51    49           49    -2
3    Pongola              5    62.5    3    2.60     0.0   65    65           65    +0
4    Basie Raakvat        4    61.5    4    2.85     1.5   63    60           60    -3
5    Animal Impact        4    61.5    5    3.45     1.5   64    59           59    -5
6    Shiny Bob            4    61.5    6    4.15     1.5   64    59           59    -5
7    Sacred Lily          6    53.0    7    5.85     0.0   51    44           44    -7
8    Future Saint         4    60.0    8    6.05     1.5   60    55           55    -5
9    Elusive Belle        4    53.0    9    6.35     1.5   52    41           42    -10
10   Rastignac            4    61.5    10   6.65     1.5   62    58           58    -4
11   Bally Magic          6    61.5    11   8.75     0.0   62    61           61    -1
12   Forest Jump          8    60.0    12   8.85     0.0   66    58           58    -8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Run To Rio 62 71 58 +13 1.5 -
2 Gorgeous Dude 51 55 49 +6 1.5 -
3 Pongola Line 65 66 65 +1 0.0
4 Basie Raakvat 63 63 60 +3 1.5 -
5 Animal Impact 64 64 59 +5 1.5 -
6 Shiny Bob 64 60 59 +1 1.5 -
7 Sacred Lily 51 52 44 +8 0.0 -
8 Future Saint 60 53 55 -2 1.5 -
9 Elusive Belle 52 51 42 +9 1.5 -
10 Rastignac 62 58 58 ✓ Match 1.5 -
11 Bally Magic 62 60 61 -1 0.0 -
12 Forest Jump 66 62 58 +4 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