Official NHA Assessment

Race 6: ONLINE FORM GUIDE www.gallop.co.za B STAKES (For All Horses with a nett rating of 101 & below)

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Line Horse
Intrepid
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 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    Connery              4    61.5    1    0.00     11.0  96    97           97    +1
2    Mojo Man             4    58.5    2    0.50     11.0  88    91           91    +3
3    Mr Henley            2    55.5    3    0.80     6.5   86    94           94    +8
4    Princess Hannah      4    59.0    4    1.85     11.0  94    92           92    -2
5    Intrepid             3    50.0    5    2.45     9.5   77    77           77    +0
6    Hithemhardsunshine   2    60.0    6    2.70     6.5   100   103          103   +3
7    Cold Shine           2    53.0    7    3.80     6.5   87    89           89    +2
8    Lady Of Vix          2    51.5    8    9.20     6.5   80    86           86    +6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Connery 96 96 97 -1 11.0 -
2 Mojo Man 88 80 91 -11 11.0 -
3 Mr Henley 86 82 94 -12 6.5 -
4 Princess Hannah 94 93 92 +1 11.0 -
5 Intrepid Line 77 73 77 -4 9.5
6 Hithemhardsunshine 100 92 103 -11 6.5 -
7 Cold Shine 87 77 89 -12 6.5 -
8 Lady Of Vix 80 80 86 -6 6.5 -
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