Official NHA Assessment

Race 3: PRESTIGE PLATE (For Filllies & Mares. Non-Black Type)

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Line Horse
Time For Love
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
4 / 7
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    Red Palace           2    61.0    1    0.00     0.0   119   113          113   -6
2    Double Grand Slam    2    61.0    2    2.50     0.0   118   115          115   -3
3    Time For Love        4    58.0    3    3.50     4.5   99    99           99    +0
4    Fatal Gem            4    55.0    4    3.70     4.5   90    93           93    +3
5    Siddeley             2    55.0    5    7.45     0.0   90    101          101   +11
6    Royals               2    59.0    6    14.95    0.0   103   109          109   +6
99   Princess Izzy        2    58.0    99   0.00     0.0   -     107          107   +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Red Palace 119 119 113 +6 0.0 -
2 Double Grand Slam 118 122 115 +7 0.0 -
3 Time For Love Line 99 105 99 +6 4.5
4 Fatal Gem 90 91 93 -2 4.5 -
5 Siddeley 90 105 101 +4 0.0 -
6 Royals 103 94 109 -15 0.0 -
99 Princess Izzy - 104 107 -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