Official NHA Assessment

Race 2: ROSS ROBERTSON FM 71 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Pretty Analia
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
6 / 10
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    Tried And True       5    59.0    1    0.00     0.0   69    67           69    +0
2    Pretty Analia        5    54.5    2    3.25     0.0   60    60           60    +0
3    Fireburst            3    58.5    3    5.00     7.0   82    52           72    -10
4    Incredible Indrani   3    59.0    4    5.50     7.0   69    53           59    -10
5    Count Your Chances   5    52.0    5    7.00     0.0   52    53           53    +1
6    Kuramathi            2    58.5    6    7.50     0.0   82    66           72    -10
7    Vermacilli           3    52.0    7    8.50     7.0   55    39           45    -10
8    Pretty In Pearls     3    57.5    8    8.90     7.0   69    50           59    -10
9    Easy On Me           3    60.0    9    10.50    7.0   71    55           61    -10
99   Shampimpi            4    57.0    99   0.00     4.0   -     55           55    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tried And True 69 75 69 +6 0.0 -
2 Pretty Analia Line 60 61 60 +1 0.0
3 Fireburst 82 80 72 +8 7.0 -
4 Incredible Indrani 69 68 59 +9 7.0 -
5 Count Your Chances 52 51 53 -2 0.0 -
6 Kuramathi 82 76 72 +4 0.0 -
7 Vermacilli 55 54 45 +9 7.0 -
8 Pretty In Pearls 69 56 59 -3 7.0 -
9 Easy On Me 71 67 61 +6 7.0 -
99 Shampimpi - 70 55 +15 4.0 -
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