Official NHA Assessment

Race 7: LADY'S BRACELET (Listed) (For Fillies and Mares Weight For Age plus Penalties)

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Line Horse
Veronica Mars
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
8 / 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    Chat Ching           4    59.0    1    0.00     2.5   107   96           96    -11
2    Veronica Mars        4    59.0    2    1.75     2.5   99    99           99    +0
3    Encryption           5    59.0    3    2.25     0.0   89    104          104   +15
4    Blue Duchess         5    59.0    4    2.75     0.0   88    103          103   +15
5    Princess Kalisi      5    59.0    5    3.00     0.0   95    103          103   +8
6    Silver Tiara         5    59.0    6    4.75     0.0   80    101          101   +21
7    Carioca              6    60.0    7    5.25     0.0   106   103          103   -3
8    Bold Diva            5    59.0    8    7.50     0.0   91    101          101   +10
9    Colorado Springs     4    59.0    9    7.60     2.5   100   96           96    -4
10   Bloom                4    59.0    10   7.65     2.5   97    96           96    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Chat Ching 107 102 96 +6 2.5 -
2 Veronica Mars Line 99 92 99 -7 2.5
3 Encryption 89 88 104 -16 0.0 -
4 Blue Duchess 88 86 103 -17 0.0 -
5 Princess Kalisi 95 86 103 -17 0.0 -
6 Silver Tiara 80 73 101 -28 0.0 -
7 Carioca 106 105 103 +2 0.0 -
8 Bold Diva 91 85 101 -16 0.0 -
9 Colorado Springs 100 90 96 -6 2.5 -
10 Bloom 97 92 96 -4 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