Official NHA Assessment

Race 2: WWW.TAB4RACING.COM MAIDEN PLATE (For all Maidens. R15 000 Win bonus ROA Members)

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Line Horse
Bad Medicine
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
9 / 10
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    Casus Belli          3    58.0    1    0.00     6.0   76    71           71    -5
2    Bad Medicine         3    58.0    2    1.75     6.0   76    76           76    +0
3    Lightinthestorm      2    58.0    3    2.55     0.0   72    87           87    +15
4    The Merciful         5    60.0    4    4.55     0.0   59    88           88    +29
5    Stop The Traffic     4    60.0    5    6.95     3.0   51    81           81    +30
6    Alakanani            4    60.0    6    7.25     3.0   61    81           81    +20
7    Ragamuffin           2    60.0    7    14.50    0.0   49    87           87    +38
8    Cuban Pete           3    58.0    8    21.75    6.0   -     71           71    +71
99   Captain Snowball     2    58.0    99   0.00     0.0   -     83           83    +0
99   Santiago's Pride     3    58.5    99   0.00     6.0   -     72           72    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Casus Belli 76 64 71 -7 6.0 -
2 Bad Medicine Line 76 100 76 +24 6.0
3 Lightinthestorm 72 75 87 -12 0.0 -
4 The Merciful 59 54 88 -34 0.0 -
5 Stop The Traffic 51 65 81 -16 3.0 -
6 Alakanani 61 59 81 -22 3.0 -
7 Ragamuffin 49 45 87 -42 0.0 -
8 Cuban Pete - 36 71 -35 6.0 -
99 Captain Snowball - 56 83 -27 0.0 -
99 Santiago's Pride - 76 72 +4 6.0 -
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