Official NHA Assessment

Race 2: 4RACING.TV PINNACLE STAKES (For all horses)

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Line Horse
Cliff Top
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
6 / 7
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    Kingdundee           3    61.0    1    0.00     4.5   108   99           99    -9
2    Cliff Top            2    61.0    2    2.25     3.0   102   102          102   +0
3    The Winter Lake      4    61.0    3    4.50     5.0   101   98           98    -3
4    Flowerbomb           2    54.0    4    5.75     3.0   89    88           88    -1
5    Ledell's Echo        2    57.0    5    6.50     3.0   89    94           94    +5
6    Where's The Party    5    55.5    6    8.00     0.0   93    97           97    +4
7    What A Winner        10   53.0    7    11.25    0.0   90    92           92    +2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kingdundee 108 127 99 +28 4.5 -
2 Cliff Top Line 102 109 102 +7 3.0
3 The Winter Lake 101 87 98 -11 5.0 -
4 Flowerbomb 89 87 88 -1 3.0 -
5 Ledell's Echo 89 88 94 -6 3.0 -
6 Where's The Party 93 85 97 -12 0.0 -
7 What A Winner 90 75 92 -17 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