Official NHA Assessment

Race 3: www.tabgold.co.za FM 82 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Spring Kiss
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
5 / 10
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    Grandi Orecchie      2    60.5    1    0.00     0.0   83    85           83    +0
2    Imperious Destiny    3    59.5    2    2.20     1.5   84    83           83    -1
3    Gardenia             5    56.5    3    3.60     0.0   75    78           78    +3
4    Spring Kiss          3    55.0    4    3.65     1.5   72    72           72    +0
5    Wonderful            3    61.0    5    4.65     1.5   87    83           83    -4
6    Dollar A Dime        4    58.0    6    4.85     0.5   78    79           79    +1
7    Ladies World         3    52.0    7    4.90     1.5   82    65           72    -10
8    Radu                 5    56.5    8    5.10     0.0   75    77           77    +2
9    Bosnay               4    58.5    9    7.10     0.5   82    80           80    -2
10   Sting Ray            3    55.5    10   7.50     1.5   73    72           72    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Grandi Orecchie 83 85 83 +2 0.0 -
2 Imperious Destiny 84 85 83 +2 1.5 -
3 Gardenia 75 75 78 -3 0.0 -
4 Spring Kiss Line 72 64 72 -8 1.5
5 Wonderful 87 98 83 +15 1.5 -
6 Dollar A Dime 78 74 79 -5 0.5 -
7 Ladies World 82 79 72 +7 1.5 -
8 Radu 75 64 77 -13 0.0 -
9 Bosnay 82 74 80 -6 0.5 -
10 Sting Ray 73 73 72 +1 1.5 -
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