Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION MR 90 HANDICAP (Open)

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Line Horse
Whatever Next
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
9 / 9
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    Usa's Hope           2    60.0    1    0.00     4.0   90    81           90    +0
2    Whatever Next        6    55.0    2    4.50     0.0   79    79           79    +0
3    Notorix              6    53.5    3    6.50     0.0   77    76           76    -1
4    Tuscan Gold          2    57.0    4    7.50     4.0   84    75           75    -9
5    Essential            4    61.0    5    8.75     7.0   92    77           82    -10
6    Purple Operator      3    52.0    6    10.25    6.0   74    61           64    -10
7    Franz Lehar          2    56.5    7    30.25    4.0   83    74           74    -9
8    Ferrando             3    52.0    8    40.00    6.0   74    61           64    -10
99   What A Winner        10   60.0    99   0.00     0.0   -     89           89    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Usa's Hope 90 97 90 +7 4.0 -
2 Whatever Next Line 79 73 79 -6 0.0
3 Notorix 77 68 76 -8 0.0 -
4 Tuscan Gold 84 84 75 +9 4.0 -
5 Essential 92 91 82 +9 7.0 -
6 Purple Operator 74 74 64 +10 6.0 -
7 Franz Lehar 83 83 74 +9 4.0 -
8 Ferrando 74 74 64 +10 6.0 -
99 What A Winner - 75 89 -14 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