Official NHA Assessment

Race 3: www.tabgold.co.za MAIDEN PLATE (For all Maidens)

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Line Horse
Pirate Prince
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
6 / 9
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    Pirate Prince        2    57.0    1    0.00     0.0   72    72           72    +0
2    Afropolitan          6    60.0    2    2.20     0.0   52    81           81    +29
3    Vihaan's Grey        2    57.0    3    13.10    0.0   74    72           72    -2
4    Agamemnon            3    57.0    4    15.90    9.0   -     54           54    +54
5    Eagle Quest          2    57.0    5    19.80    0.0   65    72           72    +7
6    Lombard Street       3    60.0    6    22.30    9.0   55    60           60    +5
7    Sir Theodore         3    60.0    7    23.35    9.0   49    60           60    +11
8    Set To Shine         3    57.0    8    32.75    9.0   -     54           54    +54
9    Tugela River         3    55.5    9    99.99    9.0   -     51           51    +51
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pirate Prince Line 72 94 72 +22 0.0
2 Afropolitan 52 84 81 +3 0.0 -
3 Vihaan's Grey 74 68 72 -4 0.0 -
4 Agamemnon - 58 54 +4 9.0 -
5 Eagle Quest 65 53 72 -19 0.0 -
6 Lombard Street 55 48 60 -12 9.0 -
7 Sir Theodore 49 53 60 -7 9.0 -
8 Set To Shine - 30 54 -24 9.0 -
9 Tugela River - - 51 -51 9.0 -
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