Official NHA Assessment

Race 3: BETWAY TOTE REWARDS CLUB MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
In A Blue Moon
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
7 / 11
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    Scarlett Pimpernel   2    56.0    1    0.00     0.0   85    78           78    -7
2    House Of Romanov     2    56.0    2    5.50     0.0   87    78           78    -9
3    Azaleas For All      4    52.5    3    8.00     6.0   72    59           62    -10
4    In A Blue Moon       2    56.0    4    8.25     0.0   78    78           78    +0
5    I Spied              2    56.0    5    10.00    0.0   77    78           78    +1
6    Puerto Plata (ARG)   3    60.0    6    11.00    9.5   71    67           67    -4
7    Antananarivo         4    56.5    7    12.75    6.0   58    67           67    +9
8    Siracha              3    54.0    8    13.00    9.5   54    55           55    +1
9    Touched By Stars     5    60.0    9    14.75    0.0   58    86           86    +28
10   Punctual             2    56.0    10   28.00    0.0   -     78           78    +78
11   Uncle Lucky          2    60.0    11   37.00    0.0   56    86           86    +30
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Scarlett Pimpernel 85 90 78 +12 0.0 -
2 House Of Romanov 87 81 78 +3 0.0 -
3 Azaleas For All 72 82 62 +20 6.0 -
4 In A Blue Moon Line 78 74 78 -4 0.0
5 I Spied 77 83 78 +5 0.0 -
6 Puerto Plata (ARG) 71 68 67 +1 9.5 -
7 Antananarivo 58 57 67 -10 6.0 -
8 Siracha 54 48 55 -7 9.5 -
9 Touched By Stars 58 52 86 -34 0.0 -
10 Punctual - 64 78 -14 0.0 -
11 Uncle Lucky 56 61 86 -25 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