Official NHA Assessment

Race 6: 4RACING.TV MR 96 HANDICAP (Open)

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Line Horse
Inherit The Rain
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
3 / 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    Slings And Arrows    3    55.5    1    0.00     2.0   87    82           87    +0
2    Inherit The Rain     4    62.0    2    1.50     1.0   100   100          100   +0
3    Teatro               5    59.5    3    3.00     0.0   95    96           96    +1
4    Safe Return          3    58.5    4    4.00     2.0   93    89           89    -4
5    Whatever Next        6    57.5    5    4.25     0.0   91    91           91    +0
6    Rose Of Bayeux       3    57.5    6    5.00     2.0   91    86           86    -5
7    Greenlighttoheaven   4    56.5    7    10.50    1.0   89    86           86    -3
8    Captain Casanova     3    55.0    8    10.60    2.0   86    81           81    -5
9    Narcos               3    56.0    9    17.60    2.0   88    83           83    -5
10   Acorn                2    56.5    10   22.85    0.0   89    88           88    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Slings And Arrows 87 92 87 +5 2.0 -
2 Inherit The Rain Line 100 98 100 -2 1.0
3 Teatro 95 91 96 -5 0.0 -
4 Safe Return 93 83 89 -6 2.0 -
5 Whatever Next 91 73 91 -18 0.0 -
6 Rose Of Bayeux 91 77 86 -9 2.0 -
7 Greenlighttoheaven 89 83 86 -3 1.0 -
8 Captain Casanova 86 85 81 +4 2.0 -
9 Narcos 88 86 83 +3 2.0 -
10 Acorn 89 89 88 +1 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