Official NHA Assessment

Race 10: NEXT VAAL RACEMEETING TUESDAY 27 JANUARY FM 66 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Paris Fun
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
4 / 14
Within 2 points
Significant Diffs
6 / 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    Lapis Lazuli         3    55.5    1    0.00     4.0   57    56           57    +0
2    Paris Fun            2    61.0    2    0.50     0.0   80    80           80    +0
3    Pearl In Her Crown   2    61.0    3    0.55     0.0   68    80           80    +12
4    Can't Catch Me       5    56.5    4    1.25     0.0   59    70           70    +11
5    Spirited Girl        4    58.5    5    1.35     2.5   63    68           68    +5
6    Golden Aspen         6    57.0    6    1.60     0.0   60    70           70    +10
7    Kylie's Angel        3    53.0    7    2.85     4.0   52    53           53    +1
8    Concordia            2    59.0    8    3.25     0.0   73    73           73    +0
9    Together Again       5    53.0    9    3.45     0.0   60    60           60    +0
10   Ghostbuster          4    54.0    10   5.45     2.5   59    56           56    -3
11   Rattle Bag           6    62.5    11   6.95     0.0   71    78           78    +7
12   Madame Pompadour     2    56.5    12   8.55     0.0   59    66           66    +7
13   Mattiazo             4    61.5    13   10.75    2.5   69    71           71    +2
99   On A Jet Plane       3    62.5    99   0.00     4.0   -     70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Lapis Lazuli 57 59 57 +2 4.0 -
2 Paris Fun Line 80 83 80 +3 0.0
3 Pearl In Her Crown 68 72 80 -8 0.0 -
4 Can't Catch Me 59 58 70 -12 0.0 -
5 Spirited Girl 63 61 68 -7 2.5 -
6 Golden Aspen 60 66 70 -4 0.0 -
7 Kylie's Angel 52 60 53 +7 4.0 -
8 Concordia 73 69 73 -4 0.0 -
9 Together Again 60 55 60 -5 0.0 -
10 Ghostbuster 59 57 56 +1 2.5 -
11 Rattle Bag 71 71 78 -7 0.0 -
12 Madame Pompadour 59 56 66 -10 0.0 -
13 Mattiazo 69 69 71 -2 2.5 -
99 On A Jet Plane - 71 70 +1 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