Official NHA Assessment

Race 2: TAB 4RACING APP MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Power Of Pearls
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
3 / 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    Kortvandraad         3    60.0    1    0.00     4.0   61    67           67    +6
2    Palace Script        3    60.0    2    2.80     4.0   72    69           69    -3
3    Power Of Pearls      2    60.0    3    3.60     0.0   76    76           76    +0
4    Gimmesumluv          3    60.0    4    3.80     4.0   -     68           68    +68
5    Asminderod           3    60.0    5    5.20     4.0   -     67           67    +67
6    Hawksdale            2    60.0    6    6.00     0.0   68    75           75    +7
7    Hot Cocoa            2    60.0    7    17.25    0.0   78    75           75    -3
8    Lasting Looks        2    56.0    8    19.00    0.0   66    67           67    +1
9    Duchess Of Cognac    3    60.0    9    35.25    4.0   -     67           67    +67
99   Emerald Countess     2    60.0    99   0.00     0.0   -     75           75    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kortvandraad 61 71 67 +4 4.0 -
2 Palace Script 72 77 69 +8 4.0 -
3 Power Of Pearls Line 76 73 76 -3 0.0
4 Gimmesumluv - 69 68 +1 4.0 -
5 Asminderod - 66 67 -1 4.0 -
6 Hawksdale 68 68 75 -7 0.0 -
7 Hot Cocoa 78 78 75 +3 0.0 -
8 Lasting Looks 66 66 67 -1 0.0 -
9 Duchess Of Cognac - 20 67 -47 4.0 -
99 Emerald Countess - 72 75 -3 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