Official NHA Assessment

Race 4: TAB 4RACING APP FM 78 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Buttercup
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
3 / 13
Within 2 points
Significant Diffs
9 / 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    Angel Deb's          3    57.0    1    0.00     5.0   72    72           72    +0
2    Mur Mur              2    54.5    2    0.75     3.5   74    70           70    -4
3    Buttercup            3    57.5    3    1.50     5.0   73    73           73    +0
4    For All We Know      3    57.0    4    2.00     5.0   72    72           72    +0
5    Sweet The Sound      3    58.5    5    2.25     5.0   75    75           75    +0
6    Daughter Of Zeus     4    59.0    6    2.50     6.0   76    74           74    -2
7    Crown Plaza          3    54.5    7    2.55     5.0   67    67           67    +0
8    Dame Of Flames       3    60.5    8    2.65     5.0   79    79           79    +0
9    Holly's View         2    57.0    9    2.70     3.5   79    75           75    -4
10   Big Sky Country      4    52.5    10   4.45     6.0   62    61           61    -1
11   Glass Shoes          3    56.0    11   4.95     5.0   77    70           70    -7
12   Hilarity (GB)        4    53.0    12   5.20     6.0   64    62           62    -2
13   Rose Of Bayeux       3    58.5    13   5.95     5.0   75    75           75    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Angel Deb's 72 78 72 +6 5.0 -
2 Mur Mur 74 68 70 -2 3.5 -
3 Buttercup Line 73 57 73 -16 5.0
4 For All We Know 72 79 72 +7 5.0 -
5 Sweet The Sound 75 60 75 -15 5.0 -
6 Daughter Of Zeus 76 82 74 +8 6.0 -
7 Crown Plaza 67 58 67 -9 5.0 -
8 Dame Of Flames 79 95 79 +16 5.0 -
9 Holly's View 79 66 75 -9 3.5 -
10 Big Sky Country 62 51 61 -10 6.0 -
11 Glass Shoes 77 75 70 +5 5.0 -
12 Hilarity (GB) 64 63 62 +1 6.0 -
13 Rose Of Bayeux 75 77 75 +2 5.0 -
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