Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION CONDITIONS STAKES (F & M) (For Fillies and Mares)

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Line Horse
And We Danced
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
6 / 8
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    United Express       2    54.5    1    0.00     0.0   74    96           80    +6
2    And We Danced        3    61.0    2    0.25     3.0   103   103          103   +0
3    Rose Of Bayeux       3    59.0    3    0.50     3.0   91    104          104   +13
4    Chroniclesofnania    5    51.0    4    0.75     0.0   83    93           93    +10
5    Unyielding           2    51.5    5    1.25     0.0   83    94           94    +11
6    Silvery Blue         3    52.0    6    2.00     3.0   79    88           88    +9
7    Sister Light         3    52.5    7    2.75     3.0   92    88           88    -4
8    Dame Of Flames       3    56.0    8    6.50     3.0   86    93           93    +7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 United Express 74 74 80 -6 0.0 -
2 And We Danced Line 103 103 103 ✓ Match 3.0
3 Rose Of Bayeux 91 77 104 -27 3.0 -
4 Chroniclesofnania 83 60 93 -33 0.0 -
5 Unyielding 83 88 94 -6 0.0 -
6 Silvery Blue 79 79 88 -9 3.0 -
7 Sister Light 92 96 88 +8 3.0 -
8 Dame Of Flames 86 95 93 +2 3.0 -
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