Official NHA Assessment

Race 5: RACING DISTRIBUTION MR 74 HANDICAP (Open)

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Line Horse
Walton Hall
Reference for assessment
Exact Matches
1 / 16
Calculated = Official
Close Matches
3 / 16
Within 2 points
Significant Diffs
8 / 16
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    The Appeal           6    58.0    1    0.00     0.0   70    67           70    +0
2    Manhatten Cafe       3    56.5    2    1.00     3.5   74    63           64    -10
3    Walton Hall          5    50.5    3    3.50     0.0   55    55           55    +0
4    Beyondtheboundary    3    57.0    4    6.00     3.5   75    58           65    -10
5    Winter Air           3    57.0    5    11.20    3.5   75    58           65    -10
6    Extract              3    48.0    6    14.10    3.5   65    40           55    -10
7    Mingshi              4    54.5    7    14.15    1.5   63    57           57    -6
8    Whispers Of War (AU  7    57.5    8    18.15    0.0   69    66           66    -3
9    Bend The Rules       3    57.5    9    22.85    3.5   76    59           66    -10
99   Farland              6    59.0    99   0.00     0.0   -     69           69    +0
99   Lord Of The Manor    5    52.0    99   0.00     0.0   -     55           55    +0
99   Master Vision        5    50.5    99   0.00     0.0   -     52           52    +0
99   Space News           4    59.0    99   0.00     1.5   -     66           66    +0
99   A Whole New World    4    58.5    99   0.00     1.5   -     65           65    +0
99   Billy Bazooka        3    53.0    99   0.00     3.5   -     50           50    +0
99   Chewbaca             5    60.5    99   0.00     0.0   -     72           72    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 The Appeal 70 74 70 +4 0.0 -
2 Manhatten Cafe 74 85 64 +21 3.5 -
3 Walton Hall Line 55 50 55 -5 0.0
4 Beyondtheboundary 75 72 65 +7 3.5 -
5 Winter Air 75 62 65 -3 3.5 -
6 Extract 65 60 55 +5 3.5 -
7 Mingshi 63 56 57 -1 1.5 -
8 Whispers Of War (AUS) 69 64 66 -2 0.0 -
9 Bend The Rules 76 74 66 +8 3.5 -
99 Farland - 59 69 -10 0.0 -
99 Lord Of The Manor - 48 55 -7 0.0 -
99 Master Vision - 47 52 -5 0.0 -
99 Space News - 52 66 -14 1.5 -
99 A Whole New World - 65 65 ✓ Match 1.5 -
99 Billy Bazooka - 62 50 +12 3.5 -
99 Chewbaca - 87 72 +15 0.0 -
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