Official NHA Assessment

Race 2: THE FORT STUD MAIDEN PLATE (Maidens Restricted2KZN Bred Horses only)

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Line Horse
Teriyaki
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
5 / 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    Teriyaki             4    60.0    1    0.00     0.5   73    73           73    +0
2    Barry Du Grond       3    56.0    2    7.50     1.0   -     64           64    +64
3    Bring The Magic      2    56.0    3    9.70     0.0   -     66           66    +66
4    Flying Reign Storm   3    57.0    4    15.30    1.0   70    66           66    -4
5    Lingotto             2    56.0    5    17.60    0.0   -     66           66    +66
6    Davos                2    56.0    6    17.80    0.0   -     66           66    +66
99   Daring Dash          2    56.0    99   0.00     0.0   -     66           -     +0
99   Always Shining       3    56.0    99   0.00     1.0   -     64           64    +0
99   General Byng         2    60.0    99   0.00     0.0   -     74           74    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Teriyaki Line 73 71 73 -2 0.5
2 Barry Du Grond - 67 64 +3 1.0 -
3 Bring The Magic - 73 66 +7 0.0 -
4 Flying Reign Storm 70 65 66 -1 1.0 -
5 Lingotto - 75 66 +9 0.0 -
6 Davos - 44 66 -22 0.0 -
99 Daring Dash - 94 - +94 0.0 -
99 Always Shining - 76 64 +12 1.0 -
99 General Byng - 75 74 +1 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