Official NHA Assessment

Race 3: TAB TELEBET 0861 000 822 FM 87 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Kadizora
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
5 / 8
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    Mount Etna           4    55.0    1    0.00     4.5   78    74           78    +0
2    Rani Of Kittur       4    56.5    2    0.25     4.5   81    77           77    -4
3    Kadizora             4    54.5    3    0.75     4.5   77    77           77    +0
4    Twostep Queen        2    53.0    4    1.00     0.0   89    83           83    -6
5    Avoontoast           5    56.0    5    1.05     0.0   79    89           89    +10
6    Rosy Lemon           5    55.5    6    1.90     0.0   78    87           87    +9
7    Darling Harbour      4    52.0    7    4.00     4.5   72    69           69    -3
8    Grandi Orecchie      2    61.0    8    10.75    0.0   89    95           95    +6
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mount Etna 78 79 78 +1 4.5 -
2 Rani Of Kittur 81 94 77 +17 4.5 -
3 Kadizora Line 77 72 77 -5 4.5
4 Twostep Queen 89 101 83 +18 0.0 -
5 Avoontoast 79 86 89 -3 0.0 -
6 Rosy Lemon 78 72 87 -15 0.0 -
7 Darling Harbour 72 60 69 -9 4.5 -
8 Grandi Orecchie 89 85 95 -10 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