Official NHA Assessment

Race 3: TAB 4RACING APP MAIDEN HANDICAP (F & M) (Maiden(F&M) R15000 Win bonus ROA Members)

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Line Horse
Little Miss Kj
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
5 / 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    Miss United States   3    52.5    1    0.00     4.5   40    54           40    +0
2    Magenta              4    53.0    2    0.10     5.0   55    54           54    -1
3    Little Miss Kj       2    52.5    3    2.35     3.0   57    57           57    +0
4    Kilmonivaig          5    57.0    4    3.10     0.0   66    72           72    +6
5    Who Are You          2    52.5    5    4.35     3.0   57    57           57    +0
6    Tide Is High         3    59.5    6    4.85     4.5   65    68           68    +3
7    Fly Better           3    56.5    7    8.10     4.5   59    62           62    +3
8    Ygritte              2    60.0    8    8.15     3.0   72    72           72    +0
9    Executor             5    55.5    9    12.90    0.0   63    69           69    +6
10   Lady Chartouche      2    57.0    10   26.15    3.0   66    66           66    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Miss United States 40 52 40 +12 4.5 -
2 Magenta 55 59 54 +5 5.0 -
3 Little Miss Kj Line 57 53 57 -4 3.0
4 Kilmonivaig 66 56 72 -16 0.0 -
5 Who Are You 57 58 57 +1 3.0 -
6 Tide Is High 65 57 68 -11 4.5 -
7 Fly Better 59 45 62 -17 4.5 -
8 Ygritte 72 69 72 -3 3.0 -
9 Executor 63 87 69 +18 0.0 -
10 Lady Chartouche 66 64 66 -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