Official NHA Assessment

Race 6: CLASSIC DAY 7 MARCH MR 96 HANDICAP (Open)

Line Horse
It's Personal
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
5 / 9
Within 2 points
Significant Diffs
2 / 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    The Specialist       2    56.0    1    0.00     3.5   88    91           88    +0
2    Slinky Mapimpi       5    62.0    2    0.30     0.0   100   110          110   +10
3    It's Personal        3    54.5    3    0.70     5.0   85    85           85    +0
4    Max The Magician     4    60.0    4    1.80     6.0   96    94           94    -2
5    Spring Tradition     3    53.0    5    3.40     5.0   85    82           82    -3
6    Esquevelle           3    53.0    6    4.50     5.0   90    82           82    -8
7    Secret Chord         4    59.5    7    4.80     6.0   95    93           93    -2
99   Night Bomber         4    60.0    99   0.00     6.0   -     94           94    +0
99   Mister Wilson        2    55.0    99   0.00     3.5   -     89           89    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 The Specialist 88 101 88 +13 3.5 -
2 Slinky Mapimpi 100 101 110 -9 0.0 -
3 It's Personal Line 85 85 85 ✓ Match 5.0
4 Max The Magician 96 95 94 +1 6.0 -
5 Spring Tradition 85 81 82 -1 5.0 -
6 Esquevelle 90 86 82 +4 5.0 -
7 Secret Chord 95 92 93 -1 6.0 -
99 Night Bomber - 96 94 +2 6.0 -
99 Mister Wilson - 93 89 +4 3.5 -
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