Official NHA Assessment

Race 7: LUCKY FISH POWER PICK MIDDLE STAKES (For All Horses)

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Line Horse
Chasingtherainbow
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
4 / 9
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    Handsome Prince      2    58.5    1    0.00     0.0   90    101          96    +6
2    Please Be True       2    60.0    2    0.05     0.0   93    104          104   +11
3    Chasingtherainbow    3    57.5    3    1.55     8.0   86    86           86    +0
4    San Pedro            5    60.0    4    1.75     0.0   93    107          107   +14
5    Umfula               3    57.0    5    2.05     8.0   86    85           85    -1
6    Song To The Moon     3    58.5    6    2.25     8.0   90    88           88    -2
7    Aversator            2    58.5    7    5.00     0.0   104   101          101   -3
8    Afrique              3    57.0    8    5.40     8.0   86    82           82    -4
9    Innamorare           5    60.0    9    10.40    0.0   91    104          104   +13
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Handsome Prince 90 91 96 -5 0.0 -
2 Please Be True 93 93 104 -11 0.0 -
3 Chasingtherainbow Line 86 93 86 +7 8.0
4 San Pedro 93 82 107 -25 0.0 -
5 Umfula 86 83 85 -2 8.0 -
6 Song To The Moon 90 84 88 -4 8.0 -
7 Aversator 104 97 101 -4 0.0 -
8 Afrique 86 83 82 +1 8.0 -
9 Innamorare 91 91 104 -13 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