Official NHA Assessment

Race 5: CENPROP REAL ESTATE (PTY) LTD MR 94 HANDICAP (Open)

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Line Horse
Blackberry Malt
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 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    Natyam               5    58.5    1    0.00     0.0   91    85           91    +0
2    Blackberry Malt      5    58.5    2    1.10     0.0   91    91           91    +0
3    Zakho                3    51.5    3    2.30     1.5   85    72           75    -10
4    Pirate Prince        2    59.0    4    4.40     0.0   92    87           87    -5
5    Madison Blues        3    52.0    5    5.40     1.5   74    69           69    -5
6    Johnny The Thief     2    52.5    6    7.10     0.0   82    73           73    -9
7    Trois Trois Quatre   5    55.0    7    7.50     0.0   92    78           82    -10
8    Pas De Nom           2    57.0    8    12.70    0.0   88    82           82    -6
9    Willow's Wish        4    61.0    9    22.10    0.5   96    89           89    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Natyam 91 102 91 +11 0.0 -
2 Blackberry Malt Line 91 82 91 -9 0.0
3 Zakho 85 87 75 +12 1.5 -
4 Pirate Prince 92 94 87 +7 0.0 -
5 Madison Blues 74 70 69 +1 1.5 -
6 Johnny The Thief 82 95 73 +22 0.0 -
7 Trois Trois Quatre 92 87 82 +5 0.0 -
8 Pas De Nom 88 91 82 +9 0.0 -
9 Willow's Wish 96 96 89 +7 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