Official NHA Assessment

Race 3: FURIOUS ROOM NOW OPENED PINNACLE STAKES (Open to all horses)

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Line Horse
Vanderbilt
Reference for assessment
Exact Matches
0 / 6
Calculated = Official
Close Matches
1 / 6
Within 2 points
Significant Diffs
5 / 6
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    Shango               5    57.0    1    0.00     0.0   106   116          112   +6
2    Vanderbilt           3    53.5    2    1.25     6.0   101   101          101   +0
3    Rain In Holland      3    56.0    3    6.50     6.0   118   102          108   -10
4    Sovereign Spirit     6    59.0    4    6.80     0.0   111   120          120   +9
5    Zeus                 3    57.0    5    7.30     6.0   105   104          104   -1
6    Pamushana's Pride    5    57.0    6    23.55    0.0   103   116          116   +13
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Shango 106 105 112 -7 0.0 -
2 Vanderbilt Line 101 103 101 +2 6.0
3 Rain In Holland 118 120 108 +12 6.0 -
4 Sovereign Spirit 111 106 120 -14 0.0 -
5 Zeus 105 117 104 +13 6.0 -
6 Pamushana's Pride 103 103 116 -13 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