Official NHA Assessment

Race 9: TAKING THE REINS CAPE B STAKES (For All Horses with a nett rating of 94 & below)

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Line Horse
Dumbledore
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
2 / 9
Within 2 points
Significant Diffs
5 / 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    Silver Crown         2    57.0    1    0.00     1.0   85    88           88    +3
2    Dumbledore           4    60.0    2    3.25     2.5   91    91           91    +0
3    Gimmelightning       2    61.5    3    4.75     1.0   94    97           97    +3
4    Dean Street          3    60.0    4    4.80     2.0   90    92           92    +2
5    War Chariot          4    55.5    5    5.10     2.5   84    82           82    -2
6    Blue Holly           4    58.5    6    5.30     2.5   95    88           88    -7
7    Oliver               5    57.0    7    5.40     0.0   84    90           90    +6
8    Sun Dazed            6    57.0    8    8.15     0.0   84    90           90    +6
99   Go It Alone          4    55.5    99   0.00     2.5   -     82           82    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Silver Crown 85 84 88 -4 1.0 -
2 Dumbledore Line 91 105 91 +14 2.5
3 Gimmelightning 94 95 97 -2 1.0 -
4 Dean Street 90 102 92 +10 2.0 -
5 War Chariot 84 82 82 ✓ Match 2.5 -
6 Blue Holly 95 85 88 -3 2.5 -
7 Oliver 84 97 90 +7 0.0 -
8 Sun Dazed 84 64 90 -26 0.0 -
99 Go It Alone - 69 82 -13 2.5 -
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