Official NHA Assessment

Race 4: TABGOLD SCORE 6 SCORE 8 SCORE 10 FM 67 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Golden Aspen
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
1 / 8
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    Miss Lialah          4    57.0    1    0.00     1.0   61    57           61    +0
2    Pretty Analia        5    57.5    2    0.50     0.0   62    65           65    +3
3    Quentasia            4    59.0    3    2.30     1.0   70    63           63    -7
4    Golden Aspen         6    58.5    4    2.70     0.0   64    64           64    +0
5    Kingsmeads Krystl    3    61.0    5    5.20     2.0   69    63           63    -6
6    Vision Of Will       3    61.0    6    7.50     2.0   69    63           63    -6
7    Hatta                4    55.0    7    12.70    1.0   60    53           53    -7
99   Angelic Fort         3    53.0    99   0.00     2.0   -     47           47    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Miss Lialah 61 65 61 +4 1.0 -
2 Pretty Analia 62 61 65 -4 0.0 -
3 Quentasia 70 58 63 -5 1.0 -
4 Golden Aspen Line 64 66 64 +2 0.0
5 Kingsmeads Krystl 69 68 63 +5 2.0 -
6 Vision Of Will 69 66 63 +3 2.0 -
7 Hatta 60 59 53 +6 1.0 -
99 Angelic Fort - 50 47 +3 2.0 -
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