Official NHA Assessment

Race 5: FBC ZIMBABWE OAKS (L) (FOR ALL 3YO FILLIES)

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Line Horse
Trust Me
Reference for assessment
Exact Matches
0 / 5
Calculated = Official
Close Matches
0 / 5
Within 2 points
Significant Diffs
1 / 5
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    New Galaxy           4    58.0    1    0.00     0.5   58    48           48    -10
2    Trust Me             2    58.0    2    0.50     0.0   56    56           56    +0
3    Dark Future          2    58.0    3    1.50     0.0   47    54           54    +7
4    Jumped A Red         2    58.0    4    7.25     0.0   42    49           49    +7
5    Emma Of Normandy     2    58.0    5    99.99    0.0   44    49           49    +5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 New Galaxy 58 45 48 -3 0.5 -
2 Trust Me Line 56 51 56 -5 0.0
3 Dark Future 47 49 54 -5 0.0 -
4 Jumped A Red 42 42 49 -7 0.0 -
5 Emma Of Normandy 44 44 49 -5 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