Official NHA Assessment

Race 5: WILGERBOSDRIFT ACACIA STAKES (Listed) (For Fillies and Mares)

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Line Horse
Lady Fallon
Reference for assessment
Exact Matches
0 / 15
Calculated = Official
Close Matches
4 / 15
Within 2 points
Significant Diffs
7 / 15
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    Gimmefabulous        3    52.0    1    0.00     3.0   96    88           88    -8
2    Let's Go Now         4    60.0    2    1.75     1.5   113   110          110   -3
3    Lady Fallon          4    56.0    3    2.25     1.5   102   102          102   +0
4    Francine             4    56.0    4    2.85     1.5   100   101          101   +1
5    Cape Lights          5    52.0    5    3.75     0.0   92    95           95    +3
6    Tomyris              4    50.0    6    4.00     1.5   88    88           88    +0
7    Minogue              4    56.0    7    4.25     1.5   102   100          100   -2
8    Elembee              5    50.5    8    7.75     0.0   81    91           91    +10
9    It's Her Way         3    50.0    9    7.80     3.0   79    84           84    +5
10   Rani Of Kittur       4    52.5    10   10.00    1.5   94    92           92    -2
11   Key Element          4    54.0    11   13.00    1.5   98    95           95    -3
12   Andi's Girl          4    54.0    12   13.70    1.5   96    95           95    -1
13   Miss Hannigan        4    54.0    13   15.70    1.5   97    95           95    -2
14   Tried And True       5    51.0    14   20.70    0.0   76    92           92    +16
15   Ceuta                4    52.0    15   21.00    1.5   92    91           91    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Gimmefabulous 96 103 88 +15 3.0 -
2 Let's Go Now 113 113 110 +3 1.5 -
3 Lady Fallon Line 102 100 102 -2 1.5
4 Francine 100 99 101 -2 1.5 -
5 Cape Lights 92 74 95 -21 0.0 -
6 Tomyris 88 93 88 +5 1.5 -
7 Minogue 102 112 100 +12 1.5 -
8 Elembee 81 77 91 -14 0.0 -
9 It's Her Way 79 91 84 +7 3.0 -
10 Rani Of Kittur 94 94 92 +2 1.5 -
11 Key Element 98 92 95 -3 1.5 -
12 Andi's Girl 96 93 95 -2 1.5 -
13 Miss Hannigan 97 100 95 +5 1.5 -
14 Tried And True 76 75 92 -17 0.0 -
15 Ceuta 92 97 91 +6 1.5 -
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