Official NHA Assessment

Race 6: TAB TELEBET 0861 000 822 FM 77 DIVIDED HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Gilded Butterfly
Reference for assessment
Exact Matches
0 / 15
Calculated = Official
Close Matches
1 / 15
Within 2 points
Significant Diffs
13 / 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    High Born Lady       4    55.5    1    0.00     1.0   68    72           68    +0
2    Gilded Butterfly     3    57.5    2    1.25     2.5   77    77           77    +0
3    Halloween            4    56.0    3    3.25     1.0   69    75           75    +6
4    Rose Willow          4    50.5    4    4.50     1.0   57    62           62    +5
5    Sister Light         3    60.0    5    6.50     2.5   82    78           78    -4
6    Kind Judy            4    52.5    6    6.75     1.0   65    66           66    +1
7    Mode                 4    50.5    7    8.50     1.0   61    62           62    +1
8    So They Say          4    56.5    8    12.50    1.0   70    74           74    +4
9    Dame Of Flames       3    57.0    9    17.00    2.5   76    72           72    -4
10   Twice The Act        4    59.0    10   17.25    1.0   75    79           79    +4
11   Indigo Winter        3    55.0    11   17.50    2.5   72    68           68    -4
12   Tallinn              5    55.0    12   18.50    0.0   66    73           73    +7
13   Watching Closely     4    52.0    13   20.50    1.0   54    65           65    +11
14   Savage Love          3    52.0    14   24.50    2.5   56    62           62    +6
15   Wonderful Rock       5    52.0    15   26.00    0.0   57    67           67    +10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 High Born Lady 68 72 68 +4 1.0 -
2 Gilded Butterfly Line 77 108 77 +31 2.5
3 Halloween 69 84 75 +9 1.0 -
4 Rose Willow 57 48 62 -14 1.0 -
5 Sister Light 82 96 78 +18 2.5 -
6 Kind Judy 65 73 66 +7 1.0 -
7 Mode 61 49 62 -13 1.0 -
8 So They Say 70 64 74 -10 1.0 -
9 Dame Of Flames 76 95 72 +23 2.5 -
10 Twice The Act 75 71 79 -8 1.0 -
11 Indigo Winter 72 67 68 -1 2.5 -
12 Tallinn 66 63 73 -10 0.0 -
13 Watching Closely 54 52 65 -13 1.0 -
14 Savage Love 56 56 62 -6 2.5 -
15 Wonderful Rock 57 55 67 -12 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