Official NHA Assessment

Race 7: COLORADO KING STAKES (Grade 2) (Open)

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Line Horse
Nebraas
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
0 / 7
Within 2 points
Significant Diffs
5 / 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    Rain In Holland      3    58.5    1    0.00     4.5   111   101          101   -10
2    Nebraas              8    59.0    2    2.25     0.0   116   116          116   +0
3    Johnny Hero          5    59.0    3    5.75     0.0   111   111          111   +0
4    Litigation           3    59.0    4    8.25     4.5   113   102          103   -10
5    Divine Odyssey       7    59.0    5    8.75     0.0   111   111          111   +0
6    Pink Tourmaline      4    57.5    6    15.00    2.0   108   104          104   -4
7    Second Base          4    60.0    7    16.50    2.0   106   109          109   +3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rain In Holland 111 120 101 +19 4.5 -
2 Nebraas Line 116 101 116 -15 0.0
3 Johnny Hero 111 87 111 -24 0.0 -
4 Litigation 113 113 103 +10 4.5 -
5 Divine Odyssey 111 107 111 -4 0.0 -
6 Pink Tourmaline 108 108 104 +4 2.0 -
7 Second Base 106 99 109 -10 2.0 -
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