Official NHA Assessment

Race 7: ONLINE FORM GUIDE www.gallop.co.za FM 76 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Lady Macbeth
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
5 / 7
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    Zinikele             5    58.5    1    0.00     0.0   83    78           83    +0
2    Lady Macbeth         3    57.5    2    0.30     5.0   71    71           71    +0
3    Maria Corolina       4    56.5    3    0.55     2.5   74    74           74    +0
4    Angel's Wish         6    53.5    4    1.35     0.0   63    71           71    +8
5    Chelsea Flower       6    58.5    5    3.65     0.0   73    79           79    +6
6    Mvulazana            3    60.0    6    3.85     5.0   76    72           72    -4
99   Blazing Astute       3    58.5    99   0.00     5.0   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Zinikele 83 89 83 +6 0.0 -
2 Lady Macbeth Line 71 68 71 -3 5.0
3 Maria Corolina 74 81 74 +7 2.5 -
4 Angel's Wish 63 54 71 -17 0.0 -
5 Chelsea Flower 73 77 79 -2 0.0 -
6 Mvulazana 76 82 72 +10 5.0 -
99 Blazing Astute - 74 68 +6 5.0 -
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