Official NHA Assessment

Race 6: RACEHORSE OWNERS ASSOCIATION FM 96 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Encryption
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
4 / 8
Within 2 points
Significant Diffs
0 / 8
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    Princess Kalisi      5    57.0    1    0.00     0.0   90    86           90    +0
2    Phoenix              4    55.0    2    1.50     1.0   86    83           83    -3
3    Meercat              5    52.0    3    1.60     0.0   78    79           79    +1
4    Encryption           5    57.0    4    2.10     0.0   89    89           89    +0
5    Bold Diva            5    56.5    5    2.85     0.0   89    87           87    -2
6    Colorado Springs     4    60.5    6    3.60     1.0   97    92           92    -5
7    Blue Duchess         5    54.5    7    6.85     0.0   88    81           81    -7
99   Eva Eileen           5    59.5    99   0.00     0.0   -     91           91    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Princess Kalisi 90 86 90 -4 0.0 -
2 Phoenix 86 78 83 -5 1.0 -
3 Meercat 78 79 79 ✓ Match 0.0 -
4 Encryption Line 89 88 89 -1 0.0
5 Bold Diva 89 85 87 -2 0.0 -
6 Colorado Springs 97 90 92 -2 1.0 -
7 Blue Duchess 88 86 81 +5 0.0 -
99 Eva Eileen - 95 91 +4 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