Official NHA Assessment

Race 1: CATCH KZN RACING VIA LIVE STREAMING ON www.galloptv.co.za MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Musharayha
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
0 / 10
Within 2 points
Significant Diffs
6 / 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    Skytrix              3    59.0    1    0.00     7.5   -     50           6     +6
2    Nellie Melba         4    59.0    2    0.90     9.0   -     47           47    +47
3    Head Girl            5    60.0    3    2.30     0.0   61    67           67    +6
4    Jane's Vision        2    57.5    4    3.60     5.0   78    52           68    -10
5    Canford Queen        3    59.0    5    5.90     7.5   -     50           50    +50
6    Musharayha           2    60.0    6    5.95     5.0   57    57           57    +0
7    Belle Fontaine       3    60.0    7    6.75     7.5   50    52           52    +2
8    Long Street          4    59.0    8    9.75     9.0   -     47           47    +47
9    Ladies Day           3    56.0    9    15.95    7.5   61    44           51    -10
10   Willow Brook         3    59.0    10   21.85    7.5   -     50           50    +50
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Skytrix - 71 6 +65 7.5 -
2 Nellie Melba - 68 47 +21 9.0 -
3 Head Girl 61 62 67 -5 0.0 -
4 Jane's Vision 78 65 68 -3 5.0 -
5 Canford Queen - 59 50 +9 7.5 -
6 Musharayha Line 57 53 57 -4 5.0
7 Belle Fontaine 50 65 52 +13 7.5 -
8 Long Street - 62 47 +15 9.0 -
9 Ladies Day 61 56 51 +5 7.5 -
10 Willow Brook - - 50 -50 7.5 -
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