Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION FM 73 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Crusade To Royalty
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
4 / 11
Within 2 points
Significant Diffs
5 / 11
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    Zazu                 6    57.0    1    0.00     0.0   71    67           71    +0
2    Go Dream Machine     3    55.5    2    2.00     2.0   68    64           64    -4
3    Crusade To Royalty   4    53.0    3    2.10     0.5   62    62           62    +0
4    Ontheverge           3    59.0    4    3.00     2.0   75    70           70    -5
5    Damova               3    55.5    5    4.60     2.0   67    61           61    -6
6    She's A Cracker      5    60.0    6    4.75     0.0   73    73           73    +0
7    Cap Estel            3    58.0    7    8.25     2.0   73    65           65    -8
8    Aryaam               4    60.0    8    8.35     0.5   73    72           72    -1
9    Smiley River         5    57.5    9    9.50     0.0   68    68           68    +0
10   Mariposa             4    52.0    10   10.00    0.5   55    56           56    +1
11   Kissed By Fire       4    50.5    11   10.50    0.5   51    53           53    +2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Zazu 71 71 71 ✓ Match 0.0 -
2 Go Dream Machine 68 52 64 -12 2.0 -
3 Crusade To Royalty Line 62 56 62 -6 0.5
4 Ontheverge 75 73 70 +3 2.0 -
5 Damova 67 85 61 +24 2.0 -
6 She's A Cracker 73 73 73 ✓ Match 0.0 -
7 Cap Estel 73 71 65 +6 2.0 -
8 Aryaam 73 71 72 -1 0.5 -
9 Smiley River 68 69 68 +1 0.0 -
10 Mariposa 55 46 56 -10 0.5 -
11 Kissed By Fire 51 48 53 -5 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