Official NHA Assessment

Race 9: NEXT FAIRVIEW RACEMEETING FRIDAY 18 AUGUST FM 66 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Colorama
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
3 / 14
Within 2 points
Significant Diffs
9 / 14
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    Mon Tresor           3    60.5    1    0.00     10.5  67    46           67    +0
2    Colorama             6    54.5    2    1.50     0.0   55    55           55    +0
3    Angelsea             3    55.5    3    2.00     10.5  57    36           47    -10
4    Open Secret          2    58.5    4    3.75     7.0   63    49           53    -10
5    Moonstrike           3    53.5    5    4.50     10.5  53    32           43    -10
6    Global Goddess       3    58.0    6    4.60     10.5  62    41           52    -10
7    Stage Play           2    58.0    7    6.60     7.0   76    48           66    -10
8    Aimee's Idol         3    60.5    8    7.60     10.5  67    46           57    -10
9    Winter Journey       3    53.5    9    7.70     10.5  52    32           42    -10
10   Grue Of Ice          6    59.5    10   10.20    0.0   65    65           65    +0
11   Peace Frog           2    57.0    11   12.45    7.0   74    46           64    -10
12   Crown Plaza          3    57.0    12   13.95    10.5  60    39           50    -10
13   Tabatha Cat          2    56.0    13   15.20    7.0   58    44           48    -10
14   Lady Chartouche      2    59.0    14   99.99    7.0   64    50           54    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mon Tresor 67 71 67 +4 10.5 -
2 Colorama Line 55 54 55 -1 0.0
3 Angelsea 57 64 47 +17 10.5 -
4 Open Secret 63 63 53 +10 7.0 -
5 Moonstrike 53 50 43 +7 10.5 -
6 Global Goddess 62 54 52 +2 10.5 -
7 Stage Play 76 73 66 +7 7.0 -
8 Aimee's Idol 67 61 57 +4 10.5 -
9 Winter Journey 52 50 42 +8 10.5 -
10 Grue Of Ice 65 53 65 -12 0.0 -
11 Peace Frog 74 71 64 +7 7.0 -
12 Crown Plaza 60 58 50 +8 10.5 -
13 Tabatha Cat 58 50 48 +2 7.0 -
14 Lady Chartouche 64 64 54 +10 7.0 -
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