Official NHA Assessment

Race 5: PLAY SOCCER 6, 10 AND 13 PINNACLE STAKES (Open)

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Line Horse
Captain Chorus
Reference for assessment
Exact Matches
1 / 7
Calculated = Official
Close Matches
2 / 7
Within 2 points
Significant Diffs
2 / 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    Nebraas              8    60.0    1    0.00     0.0   116   108          108   -8
2    African Adventure    6    54.0    2    0.25     0.0   100   96           96    -4
3    Captain Chorus       5    50.5    3    6.00     0.0   89    89           89    +0
4    Before Noon          7    50.0    4    12.50    0.0   88    88           88    +0
5    Marchingontogether   6    58.0    5    12.60    0.0   107   104          104   -3
6    Imperial Ruby        5    56.0    6    13.00    0.0   104   100          100   -4
99   Don't Look Back      6    52.0    99   0.00     0.0   -     92           92    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Nebraas 116 101 108 -7 0.0 -
2 African Adventure 100 100 96 +4 0.0 -
3 Captain Chorus Line 89 67 89 -22 0.0
4 Before Noon 88 88 88 ✓ Match 0.0 -
5 Marchingontogether 107 102 104 -2 0.0 -
6 Imperial Ruby 104 105 100 +5 0.0 -
99 Don't Look Back - 95 92 +3 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