Official NHA Assessment

Race 5: 4RACING.TV FM 68 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Colorama
Reference for assessment
Exact Matches
0 / 12
Calculated = Official
Close Matches
5 / 12
Within 2 points
Significant Diffs
2 / 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    Badrah (AUS)         4    52.0    1    0.00     1.0   52    47           52    +0
2    Global Goddess       3    57.0    2    1.25     2.0   62    59           59    -3
3    Colorama             6    52.0    3    2.25     0.0   52    52           52    +0
4    Crown Plaza          3    57.0    4    2.75     2.0   62    57           57    -5
5    Splash Of Green      3    57.5    5    2.80     2.0   63    58           58    -5
6    Nkalanzinzi          3    52.0    6    3.55     2.0   52    46           46    -6
7    Sweet The Sound      3    61.5    7    4.30     2.0   71    64           64    -7
8    Mon Tresor           3    54.5    8    4.40     2.0   57    50           50    -7
9    Owlette              4    55.5    9    6.40     1.0   59    54           54    -5
10   Magic Inspiration    2    59.5    10   8.65     0.0   72    64           64    -8
11   Jazzbella            2    62.0    11   11.40    0.0   77    69           69    -8
12   Buttercup            3    61.0    12   14.15    2.0   70    63           63    -7
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Badrah (AUS) 52 56 52 +4 1.0 -
2 Global Goddess 62 54 59 -5 2.0 -
3 Colorama Line 52 54 52 +2 0.0
4 Crown Plaza 62 58 57 +1 2.0 -
5 Splash Of Green 63 56 58 -2 2.0 -
6 Nkalanzinzi 52 50 46 +4 2.0 -
7 Sweet The Sound 71 60 64 -4 2.0 -
8 Mon Tresor 57 71 50 +21 2.0 -
9 Owlette 59 56 54 +2 1.0 -
10 Magic Inspiration 72 67 64 +3 0.0 -
11 Jazzbella 77 67 69 -2 0.0 -
12 Buttercup 70 57 63 -6 2.0 -
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