Official NHA Assessment

Race 4: www.caperacing.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
None identified
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
6 / 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    Rule Of Thumb        2    56.0    1    0.00     0.0   -     -            -     +0
2    Royal Port Louis     2    56.0    2    2.00     0.0   -     -            -     +0
3    Matsuyamo            2    56.0    3    3.25     0.0   -     -            -     +0
4    Last Storm           2    56.5    4    3.45     0.0   -     -            -     +0
5    Masterful Guy        3    60.0    5    4.70     0.5   66    -            62    -4
6    Holy Orders          2    56.0    6    5.45     0.0   -     -            -     +0
7    Little Sunny         2    56.0    7    11.20    0.0   -     -            -     +0
8    Icanseeclearlynow    3    60.0    8    11.40    0.5   54    -            47    -7
99   State Of Shock       3    60.0    99   0.00     0.5   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rule Of Thumb - 86 - +86 0.0 -
2 Royal Port Louis - 70 - +70 0.0 -
3 Matsuyamo - 78 - +78 0.0 -
4 Last Storm - 66 - +66 0.0 -
5 Masterful Guy 66 58 62 -4 0.5 -
6 Holy Orders - 69 - +69 0.0 -
7 Little Sunny - 71 - +71 0.0 -
8 Icanseeclearlynow 54 52 47 +5 0.5 -
99 State Of Shock - 58 - - 0.5 -
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