Official NHA Assessment

Race 1: www.tabgold.co.za MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Guest Getorixx
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
7 / 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    Get In The Q         5    59.0    1    0.00     0.0   73    79           70    -3
2    Fortune Bay          3    59.0    2    3.70     8.5   -     62           62    +62
3    Guest Getorixx       4    60.0    3    4.30     10.0  61    61           61    +0
4    Swiss Paradise       3    59.0    4    6.30     8.5   -     62           62    +62
5    Aditi                2    59.0    5    6.70     5.5   72    68           68    -4
6    Dapperfontein        2    56.5    6    7.75     5.5   -     63           63    +63
7    Rio Supremo          3    56.0    7    8.95     8.5   57    56           56    -1
8    Sensible Lady        3    57.5    8    11.65    8.5   -     59           59    +59
9    Alice And The King   3    59.0    9    11.90    8.5   -     62           62    +62
10   Aleeyah's Unicorn    2    59.0    10   13.90    5.5   -     68           68    +68
11   Rattlelass           3    59.0    11   19.30    8.5   -     62           62    +62
12   Roy's Dhall Gosh     3    59.0    12   24.80    8.5   -     62           62    +62
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Get In The Q 73 88 70 +18 0.0 -
2 Fortune Bay - 62 62 ✓ Match 8.5 -
3 Guest Getorixx Line 61 63 61 +2 10.0
4 Swiss Paradise - 60 62 -2 8.5 -
5 Aditi 72 66 68 -2 5.5 -
6 Dapperfontein - 47 63 -16 5.5 -
7 Rio Supremo 57 52 56 -4 8.5 -
8 Sensible Lady - 48 59 -11 8.5 -
9 Alice And The King - - 62 -62 8.5 -
10 Aleeyah's Unicorn - 52 68 -16 5.5 -
11 Rattlelass - - 62 -62 8.5 -
12 Roy's Dhall Gosh - - 62 -62 8.5 -
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