Official NHA Assessment

Race 5: BOOK FOR ALLIED STEELRODE CHARITY MILE 011 681 1796 MR 80 HANDICAP (Open)

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Line Horse
The Navy Lark
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
6 / 12
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    King Of Venus        4    57.5    1    0.00     10.0  75    75           75    +0
2    What A Tiger         5    62.0    2    1.25     0.0   84    104          104   +20
3    Coming In Hot        3    55.0    3    2.25     8.5   78    73           73    -5
4    The Navy Lark        4    59.5    4    2.75     10.0  79    79           79    +0
5    Smith And Wesson     2    61.5    5    4.50     5.5   83    92           92    +9
6    One And All          2    58.0    6    6.75     5.5   87    85           85    -2
7    Peace Treaty         3    58.5    7    6.80     8.5   88    80           80    -8
8    Remains Of The Day   3    50.0    8    7.00     8.5   68    63           63    -5
9    Sakhala Is'Cathulo   3    56.5    9    7.75     8.5   73    76           76    +3
10   Kinshin Sha          4    59.5    10   8.00     10.0  84    79           79    -5
11   Mother City          2    54.5    11   17.75    5.5   80    78           78    -2
99   Lava Fire            3    55.0    99   0.00     8.5   -     73           73    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 King Of Venus 75 87 75 +12 10.0 -
2 What A Tiger 84 71 104 -33 0.0 -
3 Coming In Hot 78 76 73 +3 8.5 -
4 The Navy Lark Line 79 74 79 -5 10.0
5 Smith And Wesson 83 73 92 -19 5.5 -
6 One And All 87 87 85 +2 5.5 -
7 Peace Treaty 88 69 80 -11 8.5 -
8 Remains Of The Day 68 60 63 -3 8.5 -
9 Sakhala Is'Cathulo 73 66 76 -10 8.5 -
10 Kinshin Sha 84 62 79 -17 10.0 -
11 Mother City 80 77 78 -1 5.5 -
99 Lava Fire - 69 73 -4 8.5 -
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