Official NHA Assessment

Race 6: BETWAY JOBURG SPRING F & M CHALLENGE (Grade 2) (For Fillies and Mares at Weight for age + Penalties)

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Line Horse
Destiny Of Fire
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
9 / 11
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    Callmegetrix         4    59.5    1    0.00     5.0   108   87           87    -21
2    Rodeo Drive          2    59.0    2    0.30     0.0   103   101          101   -2
3    Destiny Of Fire      2    59.0    3    7.90     0.0   96    96           96    +0
4    Minogue              4    59.5    4    8.50     5.0   107   87           97    -10
5    Frozen Fantasy       3    59.0    5    8.75     8.0   102   80           92    -10
6    Valentina Balducci   2    51.5    6    8.95     0.0   86    81           81    -5
7    Anchorage            2    51.5    7    10.65    0.0   89    81           81    -8
8    Olivia's Way         3    60.0    8    12.05    8.0   112   82           102   -10
9    Willy Meet Again     3    59.0    9    12.35    8.0   107   80           97    -10
10   Poblano              3    59.0    10   12.75    8.0   99    80           89    -10
11   Vj's Angel           3    59.0    11   30.00    8.0   114   80           104   -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Callmegetrix 108 113 87 +26 5.0 -
2 Rodeo Drive 103 113 101 +12 0.0 -
3 Destiny Of Fire Line 96 96 96 ✓ Match 0.0
4 Minogue 107 112 97 +15 5.0 -
5 Frozen Fantasy 102 98 92 +6 8.0 -
6 Valentina Balducci 86 97 81 +16 0.0 -
7 Anchorage 89 99 81 +18 0.0 -
8 Olivia's Way 112 114 102 +12 8.0 -
9 Willy Meet Again 107 102 97 +5 8.0 -
10 Poblano 99 100 89 +11 8.0 -
11 Vj's Angel 114 114 104 +10 8.0 -
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