Official NHA Assessment

Race 3: BOOK A TABLE CALL 011 681 1796 MAIDEN PLATE (F & M) (For Maiden F & M. R15 000 Win bonus ROA Members)

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Line Horse
Outer Dimension
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
7 / 11
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    Azaleas For All      4    58.0    1    0.00     3.5   77    64           64    -13
2    Forgiveness          4    58.0    2    1.25     3.5   -     68           68    +68
3    Crystal Maiden       4    58.0    3    3.00     3.5   74    66           66    -8
4    Outer Dimension      2    58.0    4    4.00     0.0   72    72           72    +0
5    The Work Of Life     3    60.0    5    4.75     7.0   64    61           61    -3
6    Martinique           2    58.0    6    8.50     0.0   62    71           71    +9
7    Paradise Flower      3    60.0    7    9.50     7.0   50    61           61    +11
8    Duellona             2    56.5    8    11.75    0.0   67    68           68    +1
9    Head Turner          3    60.0    9    22.00    7.0   -     61           61    +61
10   All Rise             3    60.0    10   24.50    7.0   57    61           61    +4
11   Lady Sureyya         3    54.0    11   38.00    7.0   48    49           49    +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Azaleas For All 77 82 64 +18 3.5 -
2 Forgiveness - 94 68 +26 3.5 -
3 Crystal Maiden 74 66 66 ✓ Match 3.5 -
4 Outer Dimension Line 72 70 72 -2 0.0
5 The Work Of Life 64 59 61 -2 7.0 -
6 Martinique 62 66 71 -5 0.0 -
7 Paradise Flower 50 37 61 -24 7.0 -
8 Duellona 67 58 68 -10 0.0 -
9 Head Turner - 48 61 -13 7.0 -
10 All Rise 57 50 61 -11 7.0 -
11 Lady Sureyya 48 42 49 -7 7.0 -
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