Official NHA Assessment

Race 5: KEITH BASEL, DANNY LOMBARD, JOHN MCMURTRY, MARK NEL MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Free Movement
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
5 / 8
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    Dungeons             2    60.0    1    0.00     0.0   67    76           73    +6
2    Free Movement        3    60.0    2    2.25     2.5   74    74           74    +0
3    Us Open              3    60.0    3    6.00     2.5   72    71           71    -1
4    Godfather            2    60.0    4    7.00     0.0   66    76           76    +10
5    Privilege            3    57.5    5    7.50     2.5   56    66           66    +10
6    Levitator            5    54.5    6    16.75    0.0   -     65           65    +65
7    Air Fusion           3    60.0    7    34.25    2.5   62    71           71    +9
8    Promontory           2    60.0    8    39.75    0.0   67    76           76    +9
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Dungeons 67 73 73 ✓ Match 0.0 -
2 Free Movement Line 74 81 74 +7 2.5
3 Us Open 72 60 71 -11 2.5 -
4 Godfather 66 57 76 -19 0.0 -
5 Privilege 56 62 66 -4 2.5 -
6 Levitator - 60 65 -5 0.0 -
7 Air Fusion 62 55 71 -16 2.5 -
8 Promontory 67 65 76 -11 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