Official NHA Assessment

Race 4: CAPE RACING HONOURS HENRY DEVINE MAIDEN SPECIAL WEIGHTS (F & M) (For all Maiden Fillies & Mares)

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Line Horse
Beau Kala
Reference for assessment
Exact Matches
2 / 15
Calculated = Official
Close Matches
4 / 15
Within 2 points
Significant Diffs
8 / 15
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    Defining Moment      2    53.0    1    0.00     0.0   69    68           68    -1
2    Gift From Heaven     2    50.0    2    0.40     0.0   62    67           67    +5
3    Allende              3    60.0    3    2.15     8.0   83    69           73    -10
4    Beau Kala            2    52.5    4    3.40     0.0   68    68           68    +0
5    Sunlit From Heaven   3    58.0    5    3.60     8.0   -     63           63    +63
6    Sparkling Crystal    3    52.0    6    4.10     8.0   48    51           51    +3
7    Chelsea Garden       2    58.0    7    4.85     0.0   -     78           78    +78
8    Short Sharp Shock    3    54.5    8    5.05     8.0   57    55           55    -2
9    Catchusifyoucan      3    58.0    9    5.25     8.0   -     62           62    +62
10   Jazzbella            2    58.0    10   8.50     0.0   79    78           78    -1
11   Typeface             2    58.0    11   8.55     0.0   79    78           78    -1
12   Summer Night City    5    58.0    12   9.80     0.0   -     78           78    +78
13   Mothership           5    50.0    13   10.80    0.0   57    62           62    +5
14   Piper's Creek        3    58.0    14   12.30    8.0   -     62           62    +62
99   Fields Of Green      2    53.5    99   0.00     0.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Defining Moment 69 64 68 -4 0.0 -
2 Gift From Heaven 62 51 67 -16 0.0 -
3 Allende 83 71 73 -2 8.0 -
4 Beau Kala Line 68 73 68 +5 0.0
5 Sunlit From Heaven - 54 63 -9 8.0 -
6 Sparkling Crystal 48 50 51 -1 8.0 -
7 Chelsea Garden - 70 78 -8 0.0 -
8 Short Sharp Shock 57 62 55 +7 8.0 -
9 Catchusifyoucan - 66 62 +4 8.0 -
10 Jazzbella 79 67 78 -11 0.0 -
11 Typeface 79 78 78 ✓ Match 0.0 -
12 Summer Night City - 57 78 -21 0.0 -
13 Mothership 57 50 62 -12 0.0 -
14 Piper's Creek - 45 62 -17 8.0 -
99 Fields Of Green - 69 69 ✓ Match 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