Official NHA Assessment

Race 7: RACEHORSE OWNERS ASSOCIATION MR 66 HANDICAP (Open)

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Line Horse
After Hours
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
5 / 14
Within 2 points
Significant Diffs
5 / 14
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    Circus Lights        5    59.5    1    0.00     0.0   65    61           65    +0
2    Sparkling Jubilee    5    61.5    2    0.40     0.0   69    70           70    +1
3    After Hours          7    61.0    3    1.00     0.0   68    68           68    +0
4    Southern Style       5    59.0    4    1.90     0.0   64    63           63    -1
5    Cerulean Dancer      2    60.5    5    2.90     0.0   67    65           65    -2
6    Knockemstiff         2    61.0    6    3.65     0.0   71    65           65    -6
7    Written In Stone     9    55.0    7    3.85     0.0   56    53           53    -3
8    Green Sceptre        2    55.5    8    4.05     0.0   57    54           54    -3
9    Feeling Groovy       2    58.5    9    5.30     0.0   63    59           59    -4
10   Mescal               2    59.0    10   6.60     0.0   64    60           60    -4
11   Super Agra           4    58.0    11   8.25     0.5   62    57           57    -5
12   Galla Vanting        2    58.0    12   18.50    0.0   62    58           58    -4
99   Call Me Master       8    61.0    99   0.00     0.0   -     64           64    +0
99   Miraculous Man       3    53.5    99   0.00     1.5   -     46           46    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Circus Lights 65 64 65 -1 0.0 -
2 Sparkling Jubilee 69 76 70 +6 0.0 -
3 After Hours Line 68 79 68 +11 0.0
4 Southern Style 64 54 63 -9 0.0 -
5 Cerulean Dancer 67 71 65 +6 0.0 -
6 Knockemstiff 71 65 65 ✓ Match 0.0 -
7 Written In Stone 56 67 53 +14 0.0 -
8 Green Sceptre 57 50 54 -4 0.0 -
9 Feeling Groovy 63 60 59 +1 0.0 -
10 Mescal 64 64 60 +4 0.0 -
11 Super Agra 62 60 57 +3 0.5 -
12 Galla Vanting 62 54 58 -4 0.0 -
99 Call Me Master - 65 64 +1 0.0 -
99 Miraculous Man - 45 46 -1 1.5 -
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