Official NHA Assessment

Race 6: www.trackandball.co.za FM 83 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Crazy Blues
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
1 / 12
Within 2 points
Significant Diffs
9 / 12
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    57.5    1    0.00     1.0   86    84           86    +0
2    Dawnofanewday        3    54.0    2    0.05     2.5   76    74           74    -2
3    Rotunda              3    55.0    3    1.95     2.5   78    79           79    +1
4    Crazy Blues          3    56.5    4    3.15     2.5   81    81           81    +0
5    Jack's Bird          5    59.0    5    3.55     0.0   81    90           90    +9
6    Snow Palace          5    57.5    6    3.60     0.0   78    87           87    +9
7    Jackson Wells        5    60.5    7    5.70     0.0   84    92           92    +8
8    Let's Not Linger     4    54.0    8    12.00    1.0   76    77           77    +1
9    Oh So Squishy        3    55.0    9    12.80    2.5   78    76           76    -2
10   Tupelo Honey         5    56.5    10   16.90    0.0   79    84           84    +5
99   Chanty Lane          4    62.0    99   0.00     1.0   -     93           93    +0
99   Drama Queen          5    60.0    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 Top Me Up Holly 86 98 86 +12 1.0 -
2 Dawnofanewday 76 107 74 +33 2.5 -
3 Rotunda 78 83 79 +4 2.5 -
4 Crazy Blues Line 81 78 81 -3 2.5
5 Jack's Bird 81 75 90 -15 0.0 -
6 Snow Palace 78 87 87 ✓ Match 0.0 -
7 Jackson Wells 84 76 92 -16 0.0 -
8 Let's Not Linger 76 87 77 +10 1.0 -
9 Oh So Squishy 78 68 76 -8 2.5 -
10 Tupelo Honey 79 76 84 -8 0.0 -
99 Chanty Lane - 83 93 -10 1.0 -
99 Drama Queen - 84 91 -7 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