Official NHA Assessment

Race 2: www.tabgold.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
Gorgeous Guy
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
8 / 11
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    Gorgeous Guy         2    60.0    1    0.00     3.0   75    75           75    +0
2    Apex Predator        4    60.0    2    1.00     5.0   -     71           71    +71
3    Teriyaki             4    60.0    3    1.60     5.0   75    71           71    -4
4    Palermo              4    60.0    4    2.90     5.0   -     71           71    +71
5    Magma Magic          4    60.0    5    2.95     5.0   -     71           71    +71
6    Gorgeous Dude        4    60.0    6    4.05     5.0   -     71           71    +71
7    Noble Warrior        4    58.5    7    4.30     5.0   71    68           68    -3
8    Shiny Bob            4    60.0    8    4.70     5.0   -     71           71    +71
9    Regina Argento       2    56.0    9    5.60     3.0   67    67           67    +0
10   Bomber Stream        4    60.0    10   6.70     5.0   74    71           71    -3
99   Future Flo           4    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 Gorgeous Guy Line 75 81 75 +6 3.0
2 Apex Predator - 69 71 -2 5.0 -
3 Teriyaki 75 71 71 ✓ Match 5.0 -
4 Palermo - 76 71 +5 5.0 -
5 Magma Magic - 81 71 +10 5.0 -
6 Gorgeous Dude - 55 71 -16 5.0 -
7 Noble Warrior 71 54 68 -14 5.0 -
8 Shiny Bob - 60 71 -11 5.0 -
9 Regina Argento 67 55 67 -12 3.0 -
10 Bomber Stream 74 52 71 -19 5.0 -
99 Future Flo - 95 68 +27 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