Official NHA Assessment

Race 7: WINNING FORM MR 92 HANDICAP (Open)

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Line Horse
Red Impact
Reference for assessment
Exact Matches
2 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
8 / 11
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    Love In Winter       4    57.5    1    0.00     7.0   87    89           87    +0
2    Sun Dazed            6    59.0    2    0.75     0.0   90    106          106   +16
3    Trivial Matter       3    55.5    3    1.05     6.0   83    87           87    +4
4    Red Impact           2    52.5    4    1.80     4.0   85    85           85    +0
5    Bluff On Bluff       3    52.0    5    2.20     6.0   75    80           80    +5
6    Elusive Trader       6    53.0    6    3.70     0.0   78    94           94    +16
7    Kalahari Ferrari     3    60.5    7    4.95     6.0   93    97           97    +4
8    Ancient Epic         3    59.5    8    5.45     6.0   91    95           95    +4
9    Lunarcam             3    58.5    9    5.85     6.0   89    93           93    +4
10   Rod The Mod          3    60.0    10   7.35     6.0   92    96           96    +4
11   Dean Street          3    57.0    11   9.60     6.0   86    90           90    +4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Love In Winter 87 74 87 -13 7.0 -
2 Sun Dazed 90 64 106 -42 0.0 -
3 Trivial Matter 83 82 87 -5 6.0 -
4 Red Impact Line 85 85 85 ✓ Match 4.0
5 Bluff On Bluff 75 80 80 ✓ Match 6.0 -
6 Elusive Trader 78 72 94 -22 0.0 -
7 Kalahari Ferrari 93 87 97 -10 6.0 -
8 Ancient Epic 91 88 95 -7 6.0 -
9 Lunarcam 89 106 93 +13 6.0 -
10 Rod The Mod 92 90 96 -6 6.0 -
11 Dean Street 86 102 90 +12 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