Official NHA Assessment

Race 8: NEXT FAIRVIEW RACEMEETING FRIDAY 9 JANUARY FM 68 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Spoil Yourself
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
1 / 13
Within 2 points
Significant Diffs
8 / 13
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    Welsh Starlet        3    48.5    1    0.00     6.0   54    32           54    +0
2    Sesame               3    59.0    2    2.50     6.0   67    57           57    -10
3    Spoil Yourself       2    59.5    3    4.25     0.0   68    68           68    +0
4    Canford Queen        3    57.5    4    4.50     6.0   63    51           53    -10
5    Greenlight Skye      3    60.0    5    5.25     6.0   69    55           59    -10
6    Olive Oyl            2    59.5    6    6.00     0.0   79    66           69    -10
7    Preserve Forever     3    50.0    7    7.50     6.0   57    35           47    -10
8    Amazing Colours      4    57.5    8    10.75    3.0   63    56           56    -7
9    Royal Mermaid        3    59.5    9    11.25    6.0   68    54           58    -10
10   Dutchess D'Orange    2    52.0    10   14.50    0.0   52    51           51    -1
11   Blind Faith          4    53.5    11   29.75    3.0   55    48           48    -7
12   Qondanekukhanyeni    3    60.5    12   31.50    6.0   70    56           60    -10
13   Schipole             2    59.0    13   41.75    0.0   78    65           68    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Welsh Starlet 54 63 54 +9 6.0 -
2 Sesame 67 78 57 +21 6.0 -
3 Spoil Yourself Line 68 73 68 +5 0.0
4 Canford Queen 63 59 53 +6 6.0 -
5 Greenlight Skye 69 63 59 +4 6.0 -
6 Olive Oyl 79 77 69 +8 0.0 -
7 Preserve Forever 57 53 47 +6 6.0 -
8 Amazing Colours 63 59 56 +3 3.0 -
9 Royal Mermaid 68 70 58 +12 6.0 -
10 Dutchess D'Orange 52 52 51 +1 0.0 -
11 Blind Faith 55 52 48 +4 3.0 -
12 Qondanekukhanyeni 70 70 60 +10 6.0 -
13 Schipole 78 78 68 +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