Official NHA Assessment

Race 4: 4RACING THANKS & APPRECIATES CHRIS JONKER RACING STABLE MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Broadway
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
7 / 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    Mutarazi             2    56.0    1    0.00     0.0   -     54           6     +6
2    Fushimi Inari        2    56.0    2    0.10     0.0   -     54           54    +54
3    Holocene             4    56.0    3    2.00     0.5   -     56           56    +56
4    Touched By Stars     5    60.0    4    3.25     0.0   56    64           64    +8
5    Broadway             4    60.0    5    5.00     0.5   61    61           61    +0
6    Uncle Lucky          2    60.0    6    5.05     0.0   65    62           62    -3
7    Le Fort Bion         4    60.0    7    8.25     0.5   51    61           61    +10
8    Captain Efficient    2    56.0    8    8.75     0.0   -     54           54    +54
9    Tronador             2    56.0    9    14.00    0.0   -     54           54    +54
10   Rock Of Ages         2    56.0    10   15.50    0.0   -     54           54    +54
11   Elastic Man          2    56.0    11   38.00    0.0   -     54           54    +54
99   All Black Captain    3    60.0    99   0.00     1.5   -     59           59    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mutarazi - 65 6 +59 0.0 -
2 Fushimi Inari - 53 54 -1 0.0 -
3 Holocene - 76 56 +20 0.5 -
4 Touched By Stars 56 52 64 -12 0.0 -
5 Broadway Line 61 59 61 -2 0.5
6 Uncle Lucky 65 61 62 -1 0.0 -
7 Le Fort Bion 51 48 61 -13 0.5 -
8 Captain Efficient - 66 54 +12 0.0 -
9 Tronador - - 54 -54 0.0 -
10 Rock Of Ages - 49 54 -5 0.0 -
11 Elastic Man - 35 54 -19 0.0 -
99 All Black Captain - 55 59 -4 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