Official NHA Assessment

Race 6: IN MEMORY OF BAREND BOTES FM 97 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Blind Ambition
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
5 / 10
Within 2 points
Significant Diffs
4 / 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    Famous Lady          3    55.5    1    0.00     1.0   90    89           90    +0
2    Destiny Of Fire      2    55.0    2    0.50     0.0   89    95           95    +6
3    In The Beginning     3    57.0    3    4.00     1.0   91    93           93    +2
4    Blind Ambition       3    56.0    4    4.20     1.0   91    91           91    +0
5    Hong Kong            3    53.5    5    4.50     1.0   86    85           85    -1
6    Miss Lia             3    58.0    6    9.25     1.0   95    94           94    -1
7    Andi's Girl          4    59.0    7    11.50    0.5   95    97           97    +2
8    Exceedingly Glam     3    53.0    8    13.25    1.0   85    84           84    -1
9    Duenna               2    56.0    9    14.00    0.0   97    92           92    -5
99   Blue Horizon         4    56.0    99   0.00     0.5   -     91           91    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Famous Lady 90 103 90 +13 1.0 -
2 Destiny Of Fire 89 96 95 +1 0.0 -
3 In The Beginning 91 91 93 -2 1.0 -
4 Blind Ambition Line 91 93 91 +2 1.0
5 Hong Kong 86 93 85 +8 1.0 -
6 Miss Lia 95 95 94 +1 1.0 -
7 Andi's Girl 95 93 97 -4 0.5 -
8 Exceedingly Glam 85 78 84 -6 1.0 -
9 Duenna 97 94 92 +2 0.0 -
99 Blue Horizon - 84 91 -7 0.5 -
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