Official NHA Assessment

Race 1: www.tabgold.co.za MAIDEN HANDICAP (For Maidens with 3 or more runs)

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Line Horse
Fire Tonic
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
1 / 13
Within 2 points
Significant Diffs
11 / 13
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    Few Dollars More     2    52.0    1    0.00     0.0   59    63           59    +0
2    Scampton             2    59.5    2    3.10     0.0   78    80           80    +2
3    Amber Sky            2    60.0    3    4.15     0.0   79    80           80    +1
4    Fire Tonic           3    60.5    4    4.20     7.0   67    67           67    +0
5    Hunters Arrow        2    59.5    5    4.50     0.0   65    78           78    +13
6    Sir William          3    60.0    6    6.00     7.0   66    65           65    -1
7    Ibiza Night          2    56.0    7    6.90     0.0   58    71           71    +13
8    Tipouri              3    53.5    8    7.90     7.0   69    52           59    -10
9    Silver Savage        2    57.0    9    9.60     0.0   73    73           73    +0
10   Russian Writer       3    57.0    10   9.90     7.0   60    59           59    -1
11   Du Cane              2    54.5    11   10.00    0.0   55    68           68    +13
12   Mo King              2    59.5    12   57.70    0.0   78    78           78    +0
99   The Golden Goal      4    52.0    99   0.00     4.5   -     54           54    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Few Dollars More 59 84 59 +25 0.0 -
2 Scampton 78 70 80 -10 0.0 -
3 Amber Sky 79 58 80 -22 0.0 -
4 Fire Tonic Line 67 72 67 +5 7.0
5 Hunters Arrow 65 54 78 -24 0.0 -
6 Sir William 66 59 65 -6 7.0 -
7 Ibiza Night 58 63 71 -8 0.0 -
8 Tipouri 69 72 59 +13 7.0 -
9 Silver Savage 73 52 73 -21 0.0 -
10 Russian Writer 60 47 59 -12 7.0 -
11 Du Cane 55 45 68 -23 0.0 -
12 Mo King 78 66 78 -12 0.0 -
99 The Golden Goal - 55 54 +1 4.5 -
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