Official NHA Assessment

Race 4: RACING240 MR 74 APRRENTICE HANDICAP (Open)

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Line Horse
Nazare
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
9 / 10
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    Sea Wolf             3    57.5    1    0.00     10.5  77    69           77    +0
2    Nazare               3    59.0    2    3.50     10.5  72    72           72    +0
3    What A Tiger         5    58.0    3    4.00     0.0   78    91           91    +13
4    In The Ether         6    54.0    4    4.90     0.0   70    83           83    +13
5    Blindfire            2    52.0    5    6.00     7.0   80    65           70    -10
6    Mister Wilson        2    57.5    6    7.60     7.0   91    76           81    -10
7    Arilena              6    57.5    7    8.20     0.0   77    90           90    +13
8    William West         2    53.5    8    8.90     7.0   64    68           68    +4
9    Kylie's Angel        3    48.5    9    13.60    10.5  59    51           51    -8
10   Together Again       5    48.0    10   15.80    0.0   53    71           71    +18
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Sea Wolf 77 87 77 +10 10.5 -
2 Nazare Line 72 70 72 -2 10.5
3 What A Tiger 78 71 91 -20 0.0 -
4 In The Ether 70 63 83 -20 0.0 -
5 Blindfire 80 81 70 +11 7.0 -
6 Mister Wilson 91 93 81 +12 7.0 -
7 Arilena 77 75 90 -15 0.0 -
8 William West 64 51 68 -17 7.0 -
9 Kylie's Angel 59 60 51 +9 10.5 -
10 Together Again 53 55 71 -16 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