Official NHA Assessment

Race 8: NEXT VAAL RACEMEETING THURSDAY 7 APRIL FM 77 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Queen Bomi
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
4 / 12
Within 2 points
Significant Diffs
5 / 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    Willow Lane          4    54.5    1    0.00     1.0   65    63           65    +0
2    Queen Bomi           4    54.0    2    3.00     1.0   64    64           64    +0
3    Kayla's Dream        5    55.5    3    4.20     0.0   66    68           68    +2
4    Bella Rosa           5    53.5    4    5.30     0.0   66    63           63    -3
5    Saffron Rain         3    52.0    5    5.70     2.5   59    55           55    -4
6    Diamonds n Dollars   4    54.0    6    5.95     1.0   64    62           62    -2
7    Wedding Bliss        4    52.5    7    6.15     1.0   57    59           59    +2
8    Savage Love          3    52.5    8    8.25     2.5   60    56           56    -4
9    Ms Flower Power      4    52.0    9    11.25    1.0   63    58           58    -5
10   You Deserve It       4    60.0    10   11.65    1.0   76    74           74    -2
11   Fire Flower          5    59.0    11   99.99    0.0   74    74           74    +0
99   Devilish Dancer      4    57.0    99   0.00     1.0   -     68           68    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Willow Lane 65 66 65 +1 1.0 -
2 Queen Bomi Line 64 58 64 -6 1.0
3 Kayla's Dream 66 61 68 -7 0.0 -
4 Bella Rosa 66 58 63 -5 0.0 -
5 Saffron Rain 59 56 55 +1 2.5 -
6 Diamonds n Dollars 64 50 62 -12 1.0 -
7 Wedding Bliss 57 56 59 -3 1.0 -
8 Savage Love 60 56 56 ✓ Match 2.5 -
9 Ms Flower Power 63 61 58 +3 1.0 -
10 You Deserve It 76 67 74 -7 1.0 -
11 Fire Flower 74 72 74 -2 0.0 -
99 Devilish Dancer - 50 68 -18 1.0 -
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