Official NHA Assessment

Race 6: GOLD CIRCLE RACING YOUTUBE CHANNEL FM 90 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Rotunda
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
4 / 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    Macara               4    58.0    1    0.00     0.5   86    84           86    +0
2    Rotunda              3    55.5    2    0.40     1.0   83    83           83    +0
3    Southern Cape        3    57.0    3    0.65     1.0   86    86           86    +0
4    Meet At The George   5    59.5    4    2.55     0.0   89    90           90    +1
5    Top Me Up Holly      4    60.5    5    2.80     0.5   91    91           91    +0
6    Drama Queen          5    57.0    6    3.00     0.0   84    85           85    +1
7    Alabama Anna         6    59.5    7    3.30     0.0   91    89           89    -2
8    Another Love         4    58.0    8    5.20     0.5   86    84           84    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Macara 86 101 86 +15 0.5 -
2 Rotunda Line 83 83 83 ✓ Match 1.0
3 Southern Cape 86 96 86 +10 1.0 -
4 Meet At The George 89 89 90 -1 0.0 -
5 Top Me Up Holly 91 98 91 +7 0.5 -
6 Drama Queen 84 84 85 -1 0.0 -
7 Alabama Anna 91 73 89 -16 0.0 -
8 Another Love 86 79 84 -5 0.5 -
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