Official NHA Assessment

Race 2: NOVICE PLATE (Maidens & 1 time winners)

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Line Horse
Bird In Space
Reference for assessment
Exact Matches
0 / 5
Calculated = Official
Close Matches
1 / 5
Within 2 points
Significant Diffs
3 / 5
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    Buster Barnes        2    59.0    1    0.00     5.0   74    71           71    -3
2    Jusrite              3    58.0    2    2.50     7.5   65    64           64    -1
3    Bird In Space        2    57.5    3    5.50     5.0   68    68           68    +0
4    Count Moderna        3    60.0    4    5.55     7.5   56    68           68    +12
5    Red Orchid           3    57.5    5    13.55    7.5   48    63           63    +15
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Buster Barnes 74 101 71 +30 5.0 -
2 Jusrite 65 68 64 +4 7.5 -
3 Bird In Space Line 68 66 68 -2 5.0
4 Count Moderna 56 54 68 -14 7.5 -
5 Red Orchid 48 43 63 -20 7.5 -
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