Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION MR 74 HANDICAP (Open)

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Line Horse
Red William
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
3 / 14
Within 2 points
Significant Diffs
8 / 14
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    Grandiosa            2    59.5    1    0.00     0.0   73    71           73    +0
2    Master Forester      3    61.5    2    0.10     4.0   85    67           75    -10
3    Pisces               2    52.0    3    2.85     0.0   58    58           58    +0
4    Red William          5    57.5    4    3.10     0.0   69    69           69    +0
5    Potent Captain       4    56.5    5    3.60     2.0   67    62           62    -5
6    Silver Tycoon        7    60.0    6    5.35     0.0   74    72           72    -2
7    Thunder Master       6    61.0    7    5.45     0.0   76    74           74    -2
8    Gold Gunner          4    60.5    8    6.45     2.0   75    69           69    -6
9    Sound Of The Sea     3    58.5    9    6.70     4.0   79    61           69    -10
10   Alado's Pride        7    62.0    10   9.95     0.0   78    76           76    -2
11   Barzalona            6    56.0    11   10.05    0.0   74    64           64    -10
12   Timbavati River      3    62.5    12   10.15    4.0   79    69           69    -10
13   Erimitage            4    55.5    13   11.15    2.0   65    59           59    -6
14   Lanciafiamme         3    57.5    14   12.90    4.0   77    59           67    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Grandiosa 73 80 73 +7 0.0 -
2 Master Forester 85 90 75 +15 4.0 -
3 Pisces 58 56 58 -2 0.0 -
4 Red William Line 69 83 69 +14 0.0
5 Potent Captain 67 54 62 -8 2.0 -
6 Silver Tycoon 74 74 72 +2 0.0 -
7 Thunder Master 76 80 74 +6 0.0 -
8 Gold Gunner 75 72 69 +3 2.0 -
9 Sound Of The Sea 79 80 69 +11 4.0 -
10 Alado's Pride 78 73 76 -3 0.0 -
11 Barzalona 74 66 64 +2 0.0 -
12 Timbavati River 79 79 69 +10 4.0 -
13 Erimitage 65 62 59 +3 2.0 -
14 Lanciafiamme 77 102 67 +35 4.0 -
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