Official NHA Assessment

Race 1: DOWNLOAD THE RACE CARD ONLINE www.goldcircle.co.za MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Dressedtothenines
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 9
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    Diyarani             2    59.0    1    0.00     5.5   -     78           6     +6
2    Dressedtothenines    4    60.0    2    2.50     10.0  71    71           71    +0
3    Lightinthedarkness   3    59.0    3    9.00     8.5   62    72           72    +10
4    Feel The Wind        2    59.0    4    9.15     5.5   70    78           78    +8
5    Ciao Baby Ciao       2    59.0    5    9.20     5.5   -     78           78    +78
6    Admirals Queen       2    59.0    6    10.70    5.5   47    78           78    +31
7    Annie Oakley         3    59.0    7    12.20    8.5   -     72           72    +72
99   Affirmative          3    57.5    99   0.00     8.5   -     69           69    +0
99   Lady Of Vix          2    59.0    99   0.00     5.5   -     78           78    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Diyarani - 84 6 +78 5.5 -
2 Dressedtothenines Line 71 66 71 -5 10.0
3 Lightinthedarkness 62 59 72 -13 8.5 -
4 Feel The Wind 70 67 78 -11 5.5 -
5 Ciao Baby Ciao - 63 78 -15 5.5 -
6 Admirals Queen 47 47 78 -31 5.5 -
7 Annie Oakley - 47 72 -25 8.5 -
99 Affirmative - - 69 -69 8.5 -
99 Lady Of Vix - 80 78 +2 5.5 -
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