Official NHA Assessment

Race 2: TABGOLD SCORE 10 FM 90 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
African Beat
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
5 / 8
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    Malcolm's Dream      6    58.5    1    0.00     0.0   87    89           87    +0
2    Perilla              5    59.5    2    0.40     0.0   92    96           96    +4
3    African Beat         4    59.5    3    0.70     3.5   89    89           89    +0
4    Get In The Q         5    60.5    4    1.30     0.0   91    96           96    +5
5    Littleblackvelvet    4    54.0    5    2.80     3.5   86    75           76    -10
6    The Ghost            2    50.5    6    2.85     0.0   88    75           78    -10
7    Simple Simple        5    57.0    7    4.35     0.0   84    86           86    +2
99   Mauritania           2    55.0    99   0.00     0.0   -     82           82    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Malcolm's Dream 87 88 87 +1 0.0 -
2 Perilla 92 89 96 -7 0.0 -
3 African Beat Line 89 91 89 +2 3.5
4 Get In The Q 91 88 96 -8 0.0 -
5 Littleblackvelvet 86 77 76 +1 3.5 -
6 The Ghost 88 72 78 -6 0.0 -
7 Simple Simple 84 71 86 -15 0.0 -
99 Mauritania - 74 82 -8 0.0 -
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