Official NHA Assessment

Race 6: RACING TODAY MR 81 HANDICAP (Open)

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Line Horse
Cool Cat
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
5 / 8
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    Whatever Next        6    59.0    1    0.00     0.0   79    93           79    +0
2    Cool Cat             2    60.0    2    2.50     3.5   88    88           88    +0
3    Aadehya              4    58.5    3    2.55     6.0   78    80           80    +2
4    Cool Winter          2    60.0    4    3.80     3.5   81    88           88    +7
5    Swiss Walt           4    50.0    5    4.80     6.0   69    63           63    -6
6    William The First    2    56.0    6    7.05     3.5   73    80           80    +7
7    Graduation Time      4    55.0    7    15.05    6.0   71    73           73    +2
8    Purple Operator      3    56.5    8    99.92    5.0   74    78           78    +4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Whatever Next 79 73 79 -6 0.0 -
2 Cool Cat Line 88 94 88 +6 3.5
3 Aadehya 78 71 80 -9 6.0 -
4 Cool Winter 81 78 88 -10 3.5 -
5 Swiss Walt 69 74 63 +11 6.0 -
6 William The First 73 75 80 -5 3.5 -
7 Graduation Time 71 70 73 -3 6.0 -
8 Purple Operator 74 74 78 -4 5.0 -
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