Official NHA Assessment

Race 3: ONLINE FORM GUIDE www.gallop.co.za MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Yellow Jacket
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
10 / 12
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    Blind Speed          2    57.0    1    0.00     0.0   80    79           79    -1
2    Long Street          4    60.0    2    1.05     5.0   63    79           79    +16
3    Yellow Jacket        2    54.5    3    1.95     0.0   77    77           77    +0
4    Twilight Bay         2    57.0    4    2.00     0.0   -     82           82    +82
5    Zena Rose            3    57.0    5    2.25     8.0   -     66           66    +66
6    Call Me Harriet      2    57.0    6    6.55     0.0   65    79           79    +14
7    Guard My Fate        3    57.0    7    6.65     8.0   -     63           63    +63
8    Baltic Assayer       2    57.0    8    7.15     0.0   70    79           79    +9
9    Madame Pompadour     2    60.0    9    7.65     0.0   60    85           85    +25
10   Roy Taking Off       4    60.0    10   9.05     5.0   60    75           75    +15
11   More Than Perfect    2    57.0    11   21.45    0.0   -     79           79    +79
99   Queen Of The Air     3    57.0    99   0.00     8.0   -     63           63    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Blind Speed 80 65 79 -14 0.0 -
2 Long Street 63 62 79 -17 5.0 -
3 Yellow Jacket Line 77 74 77 -3 0.0
4 Twilight Bay - 72 82 -10 0.0 -
5 Zena Rose - 73 66 +7 8.0 -
6 Call Me Harriet 65 63 79 -16 0.0 -
7 Guard My Fate - 48 63 -15 8.0 -
8 Baltic Assayer 70 53 79 -26 0.0 -
9 Madame Pompadour 60 56 85 -29 0.0 -
10 Roy Taking Off 60 54 75 -21 5.0 -
11 More Than Perfect - - 79 -79 0.0 -
99 Queen Of The Air - 61 63 -2 8.0 -
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