Official NHA Assessment

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

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Line Horse
Elegant Act
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
9 / 12
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    Littleblackvelvet    4    57.5    1    0.00     2.0   69    71           70    +1
2    Purple Flower        3    58.5    2    0.40     3.0   60    76           76    +16
3    Elegant Act          3    60.0    3    2.90     3.0   76    76           76    +0
4    One Smart Cookie     4    60.0    4    3.90     2.0   75    77           77    +2
5    Vathomvlaffie        2    60.0    5    7.90     0.0   69    80           80    +11
6    Captain Marvel       3    60.0    6    10.20    3.0   53    74           74    +21
7    Emerald Green        4    60.0    7    12.50    2.0   70    76           76    +6
8    Lady Of The Sword    3    60.0    8    13.00    3.0   61    74           74    +13
9    Fire Phoenix         2    60.0    9    15.30    0.0   56    80           80    +24
10   Roy's Oyster         6    60.0    10   21.00    0.0   -     80           80    +80
11   Princess Hema        3    60.0    11   21.90    3.0   -     74           74    +74
12   Midnight Ruby        3    60.0    12   25.50    3.0   -     74           74    +74
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Littleblackvelvet 69 77 70 +7 2.0 -
2 Purple Flower 60 74 76 -2 3.0 -
3 Elegant Act Line 76 71 76 -5 3.0
4 One Smart Cookie 75 95 77 +18 2.0 -
5 Vathomvlaffie 69 56 80 -24 0.0 -
6 Captain Marvel 53 49 74 -25 3.0 -
7 Emerald Green 70 75 76 -1 2.0 -
8 Lady Of The Sword 61 61 74 -13 3.0 -
9 Fire Phoenix 56 59 80 -21 0.0 -
10 Roy's Oyster - 20 80 -60 0.0 -
11 Princess Hema - 30 74 -44 3.0 -
12 Midnight Ruby - 20 74 -54 3.0 -
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