Official NHA Assessment

Race 5: 4RACING.TV PINNACLE STAKES (Open to all horses)

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Line Horse
Inherit The Rain
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
6 / 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    Al Qaasim            4    56.5    1    0.00     0.0   90    96           96    +6
2    Acorn                2    55.0    2    0.10     1.5   88    90           90    +2
3    Inherit The Rain     4    61.0    3    0.60     0.0   105   105          105   +0
4    Naval Secret         4    58.0    4    2.35     0.0   92    99           99    +7
5    Greenlighttoheaven   4    58.0    5    3.85     0.0   95    99           99    +4
6    Captain Morisco      4    58.0    6    4.60     0.0   93    99           99    +6
7    Whatever Next        6    59.5    7    6.85     0.0   97    102          102   +5
8    Captain Oupie        4    58.0    8    7.35     0.0   95    99           99    +4
9    Forest Spy           2    55.0    9    9.85     1.5   86    90           90    +4
10   Giacomo Puccini      4    56.5    10   12.10    0.0   88    96           96    +8
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Al Qaasim 90 91 96 -5 0.0 -
2 Acorn 88 89 90 -1 1.5 -
3 Inherit The Rain Line 105 98 105 -7 0.0
4 Naval Secret 92 91 99 -8 0.0 -
5 Greenlighttoheaven 95 83 99 -16 0.0 -
6 Captain Morisco 93 92 99 -7 0.0 -
7 Whatever Next 97 73 102 -29 0.0 -
8 Captain Oupie 95 94 99 -5 0.0 -
9 Forest Spy 86 85 90 -5 1.5 -
10 Giacomo Puccini 88 72 96 -24 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