Official NHA Assessment

Race 6: www.trackandball.co.za FM 94 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Aquae Sulis
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
0 / 8
Within 2 points
Significant Diffs
7 / 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    Top Me Up Holly      4    58.0    1    0.00     4.0   93    79           93    +0
2    Oh So Squishy        3    55.5    2    0.70     7.0   90    73           80    -10
3    Dawnofanewday        3    58.0    3    0.75     7.0   90    77           80    -10
4    Aquae Sulis          5    56.0    4    1.85     0.0   86    86           86    +0
5    Purple Nkanyezi      5    58.0    5    3.85     0.0   90    88           88    -2
6    Lillybelle           6    55.5    6    3.90     0.0   85    83           83    -2
7    Love Bomb            4    60.0    7    6.70     4.0   94    83           84    -10
8    Greengrowthelilacs   3    54.0    8    7.50     7.0   82    65           72    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Top Me Up Holly 93 98 93 +5 4.0 -
2 Oh So Squishy 90 68 80 -12 7.0 -
3 Dawnofanewday 90 107 80 +27 7.0 -
4 Aquae Sulis Line 86 69 86 -17 0.0
5 Purple Nkanyezi 90 80 88 -8 0.0 -
6 Lillybelle 85 73 83 -10 0.0 -
7 Love Bomb 94 77 84 -7 4.0 -
8 Greengrowthelilacs 82 79 72 +7 7.0 -
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