Official NHA Assessment

Race 2: 4RACING.TV MAIDEN PLATE (For all Maidens. R15 000 Win Bonus ROA Members)

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Line Horse
Bright Future
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
5 / 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    Chili Bomb           3    60.0    1    0.00     3.0   74    64           64    -10
2    Cliffie Clavin       3    60.0    2    8.50     3.0   66    64           64    -2
3    Master Incolor       3    60.0    3    10.25    3.0   70    64           64    -6
4    Bright Future        3    60.0    4    10.50    3.0   64    64           64    +0
5    American Matador     3    60.0    5    13.50    3.0   76    64           66    -10
6    Stormstride          3    60.0    6    13.75    3.0   61    64           64    +3
7    Mitredat             3    60.0    7    15.00    3.0   54    64           64    +10
99   Anchor Man           4    60.0    99   0.00     2.0   -     66           66    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Chili Bomb 74 76 64 +12 3.0 -
2 Cliffie Clavin 66 57 64 -7 3.0 -
3 Master Incolor 70 73 64 +9 3.0 -
4 Bright Future Line 64 60 64 -4 3.0
5 American Matador 76 71 66 +5 3.0 -
6 Stormstride 61 54 64 -10 3.0 -
7 Mitredat 54 51 64 -13 3.0 -
99 Anchor Man - 63 66 -3 2.0 -
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