Official NHA Assessment

Race 4: MIKE DE KOCK RACING STABLES MR 96 HANDICAP (Open)

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Line Horse
Blackberry Malt
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
8 / 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    Golden Peace         2    55.0    1    0.00     0.0   89    81           89    +0
2    Blackberry Malt      5    57.5    2    0.30     0.0   91    91           91    +0
3    Birthright           4    52.5    3    5.70     6.0   83    64           73    -10
4    Wiccan Warrior       2    58.0    4    7.80     0.0   92    87           87    -5
5    Prince Of Taranto    4    60.0    5    7.85     6.0   96    79           86    -10
6    Positive Attitude    6    56.5    6    8.65     0.0   89    84           84    -5
7    Littlemarysunshine   2    58.5    7    13.45    0.0   93    88           88    -5
8    Ivy League           2    60.0    8    22.25    0.0   98    91           91    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Golden Peace 89 105 89 +16 0.0 -
2 Blackberry Malt Line 91 82 91 -9 0.0
3 Birthright 83 95 73 +22 6.0 -
4 Wiccan Warrior 92 80 87 -7 0.0 -
5 Prince Of Taranto 96 92 86 +6 6.0 -
6 Positive Attitude 89 90 84 +6 0.0 -
7 Littlemarysunshine 93 95 88 +7 0.0 -
8 Ivy League 98 98 91 +7 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