Official NHA Assessment

Race 2: NHLANHLA NDLOVU / MARK SCHULTZ (30 Years) B STAKES (For All Horses with a nett rating of 101 & below)

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Line Horse
Quandary
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
4 / 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    Convocation          5    56.0    1    0.00     0.0   90    84           84    -6
2    Soho Star            3    57.5    2    0.50     3.5   96    80           86    -10
3    Apex Predator        4    51.0    3    1.90     4.0   75    66           66    -9
4    Quandary             5    58.5    4    1.95     0.0   89    89           89    +0
5    Licence To Thrill    4    61.5    5    2.05     4.0   94    87           87    -7
6    Mojo Man             4    58.5    6    3.65     4.0   90    81           81    -9
99   Rainbow Reward       5    57.0    99   0.00     0.0   -     86           86    +0
99   Icy Blast            4    57.0    99   0.00     4.0   -     78           78    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Convocation 90 94 84 +10 0.0 -
2 Soho Star 96 105 86 +19 3.5 -
3 Apex Predator 75 69 66 +3 4.0 -
4 Quandary Line 89 88 89 -1 0.0
5 Licence To Thrill 94 98 87 +11 4.0 -
6 Mojo Man 90 80 81 -1 4.0 -
99 Rainbow Reward - 89 86 +3 0.0 -
99 Icy Blast - 88 78 +10 4.0 -
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