Official NHA Assessment

Race 7: www.tabgold.co.za FM 76 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Miss Lialah
Reference for assessment
Exact Matches
2 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
5 / 9
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    Vihaan's Queen       4    60.5    1    0.00     0.5   80    74           80    +0
2    Imperious Destiny    3    60.5    2    0.05     1.5   80    72           72    -8
3    Miss Lialah          4    55.0    3    2.25     0.5   66    66           66    +0
4    Woodland Glade       2    54.0    4    2.95     0.0   65    64           64    -1
5    Kisshoten            3    60.5    5    3.25     1.5   80    74           74    -6
6    Light Of Day         5    58.0    6    3.75     0.0   72    71           71    -1
7    Rafeef's Choice      5    58.0    7    3.80     0.0   72    71           71    -1
8    Gardenia             5    60.5    8    5.00     0.0   77    75           75    -2
9    Dame Mazona          2    58.5    9    20.20    0.0   76    71           71    -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Vihaan's Queen 80 89 80 +9 0.5 -
2 Imperious Destiny 80 85 72 +13 1.5 -
3 Miss Lialah Line 66 65 66 -1 0.5
4 Woodland Glade 65 76 64 +12 0.0 -
5 Kisshoten 80 107 74 +33 1.5 -
6 Light Of Day 72 61 71 -10 0.0 -
7 Rafeef's Choice 72 71 71 ✓ Match 0.0 -
8 Gardenia 77 75 75 ✓ Match 0.0 -
9 Dame Mazona 76 68 71 -3 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