Official NHA Assessment

Race 6: GREYVILLE CONVENTION CENTRE FM 66 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Blush Of Dawn
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
5 / 14
Within 2 points
Significant Diffs
7 / 14
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    Birdwatcher          5    51.5    1    0.00     0.0   54    45           54    +0
2    Blush Of Dawn        8    58.5    2    0.80     0.0   63    63           63    +0
3    Hatta                4    54.0    3    0.85     2.5   57    49           49    -8
4    Quanabi              2    60.0    4    3.05     0.0   75    64           65    -10
5    Shaken Not Stirred   4    54.5    5    3.30     2.5   55    47           47    -8
6    Bright Star          2    60.0    6    3.70     0.0   75    63           65    -10
7    Rose Princess        4    57.0    7    4.10     2.5   59    52           52    -7
8    Ideal Gift           2    55.0    8    4.15     0.0   70    53           60    -10
9    Not Now Pussycat     6    55.5    9    4.55     0.0   57    53           53    -4
10   Meredith Grey        2    56.5    10   4.85     0.0   68    55           58    -10
11   Gimme A Lullaby      3    54.0    11   6.85     4.0   54    42           44    -10
12   Run Again            3    56.5    12   7.25     4.0   59    47           49    -10
99   Tabatha Cat          2    58.5    99   0.00     0.0   -     59           59    +0
99   Perfect Appeal       3    56.0    99   0.00     4.0   -     46           46    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Birdwatcher 54 53 54 -1 0.0 -
2 Blush Of Dawn Line 63 64 63 +1 0.0
3 Hatta 57 59 49 +10 2.5 -
4 Quanabi 75 70 65 +5 0.0 -
5 Shaken Not Stirred 55 55 47 +8 2.5 -
6 Bright Star 75 69 65 +4 0.0 -
7 Rose Princess 59 53 52 +1 2.5 -
8 Ideal Gift 70 71 60 +11 0.0 -
9 Not Now Pussycat 57 53 53 ✓ Match 0.0 -
10 Meredith Grey 68 68 58 +10 0.0 -
11 Gimme A Lullaby 54 59 44 +15 4.0 -
12 Run Again 59 48 49 -1 4.0 -
99 Tabatha Cat - 50 59 -9 0.0 -
99 Perfect Appeal - 58 46 +12 4.0 -
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