Official NHA Assessment

Race 5: WWW.TAB4RACING.COM FM 89 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Vivacious Spirit
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
0 / 7
Within 2 points
Significant Diffs
6 / 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    Golden Aspen         6    56.5    1    0.00     0.0   82    102          82    +0
2    Vivacious Spirit     2    56.5    2    0.10     5.0   92    92           92    +0
3    Warship              3    60.0    3    1.50     7.5   89    94           94    +5
4    Rimaah               2    54.5    4    4.25     5.0   88    88           88    +0
5    Greens               4    57.5    5    6.75     9.0   84    86           86    +2
6    No Time is Taken     3    54.0    6    7.95     7.5   76    82           82    +6
7    Princess Nicole      5    57.5    7    10.15    0.0   84    104          104   +20
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Golden Aspen 82 66 82 -16 0.0 -
2 Vivacious Spirit Line 92 78 92 -14 5.0
3 Warship 89 87 94 -7 7.5 -
4 Rimaah 88 70 88 -18 5.0 -
5 Greens 84 82 86 -4 9.0 -
6 No Time is Taken 76 65 82 -17 7.5 -
7 Princess Nicole 84 84 104 -20 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