Official NHA Assessment

Race 2: #YOUCANBETONUS! MAIDEN PLATE (For all Maidens)

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Line Horse
American Pitbull
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
4 / 8
Within 2 points
Significant Diffs
3 / 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    Prince Antonio       3    60.0    1    0.00     1.5   56    59           59    +3
2    The Roaring Rock     2    57.0    2    1.25     0.5   -     55           55    +55
3    American Pitbull     5    60.0    3    1.50     0.0   62    62           62    +0
4    Penny's World        3    57.5    4    2.75     1.5   61    54           54    -7
5    Monocle              3    56.0    5    3.50     1.5   52    51           51    -1
6    Flight Engineer      3    60.0    6    3.60     1.5   63    59           59    -4
7    Dinero               4    60.0    7    6.10     2.0   38    58           58    +20
8    Blind Faith          4    57.5    8    13.35    2.0   52    53           53    +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Prince Antonio 56 63 59 +4 1.5 -
2 The Roaring Rock - 79 55 +24 0.5 -
3 American Pitbull Line 62 62 62 ✓ Match 0.0
4 Penny's World 61 61 54 +7 1.5 -
5 Monocle 52 52 51 +1 1.5 -
6 Flight Engineer 63 58 59 -1 1.5 -
7 Dinero 38 51 58 -7 2.0 -
8 Blind Faith 52 52 53 -1 2.0 -
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