Official NHA Assessment

Race 6: RMS SECURITY FORCE B STAKES (For All Horses with a nett rating of 101 & below)

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Line Horse
Field Marshal
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 9
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    I Salute You         3    58.5    1    0.00     3.0   95    94           94    -1
2    Sundance Kid         5    58.5    2    0.70     0.0   90    105          105   +15
3    Mascherina           4    59.0    3    3.30     1.5   94    99           99    +5
4    Field Marshal        3    60.0    4    3.40     3.0   98    98           98    +0
5    Kitchakal            5    60.0    5    4.10     0.0   91    104          104   +13
6    African Dusk         5    55.5    6    5.30     0.0   84    94           94    +10
7    Famous Warrior       3    54.0    7    5.45     3.0   90    85           85    -5
8    Sign Of Fate         4    53.0    8    7.25     1.5   84    86           86    +2
9    Officer In Command   4    58.5    9    8.25     1.5   88    97           97    +9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 I Salute You 95 112 94 +18 3.0 -
2 Sundance Kid 90 96 105 -9 0.0 -
3 Mascherina 94 99 99 ✓ Match 1.5 -
4 Field Marshal Line 98 107 98 +9 3.0
5 Kitchakal 91 86 104 -18 0.0 -
6 African Dusk 84 83 94 -11 0.0 -
7 Famous Warrior 90 90 85 +5 3.0 -
8 Sign Of Fate 84 74 86 -12 1.5 -
9 Officer In Command 88 86 97 -11 1.5 -
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