Official NHA Assessment

Race 1: HOLLYWOODBETS DURBANVILLE WELCOMES YOU CAPE A STAKES (For All Horses)

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Line Horse
Resonate
Reference for assessment
Exact Matches
0 / 6
Calculated = Official
Close Matches
0 / 6
Within 2 points
Significant Diffs
6 / 6
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    Silver Falcon        6    60.0    1    0.00     0.0   111   129          117   +6
2    After The Rain       4    57.0    2    0.05     6.0   104   111          111   +7
3    Wecangoallnight      2    52.5    3    4.55     0.0   98    114          114   +16
4    Resonate             3    60.0    4    6.30     8.5   112   112          112   +0
5    Hoedspruit           4    60.0    5    6.70     6.0   112   117          117   +5
6    Warrior              4    61.5    6    12.95    6.0   115   120          120   +5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Silver Falcon 111 106 117 -11 0.0 -
2 After The Rain 104 98 111 -13 6.0 -
3 Wecangoallnight 98 95 114 -19 0.0 -
4 Resonate Line 112 103 112 -9 8.5
5 Hoedspruit 112 109 117 -8 6.0 -
6 Warrior 115 113 120 -7 6.0 -
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