Official NHA Assessment

Race 2: WWW.TAB4RACING.COM MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Simply Magic
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
9 / 10
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    Welcome Breeze       2    60.0    1    0.00     4.0   -     72           6     +6
2    Simply Magic         3    60.0    2    0.75     6.0   68    68           68    +0
3    Smelting             7    60.0    3    1.75     0.0   63    80           80    +17
4    Count Your Chances   5    60.0    4    2.00     0.0   67    80           80    +13
5    Camerata             2    60.0    5    2.75     4.0   77    72           72    -5
6    Paradise Flower      3    60.0    6    9.25     6.0   -     68           68    +68
7    Together Again       5    60.0    7    13.00    0.0   -     80           80    +80
8    Lucy Lucy            3    60.0    8    13.25    6.0   -     68           68    +68
9    Unyielding           2    60.0    9    15.75    4.0   -     72           72    +72
99   Damned If I Do       2    60.0    99   0.00     4.0   -     72           72    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Welcome Breeze - 68 6 +62 4.0 -
2 Simply Magic Line 68 67 68 -1 6.0
3 Smelting 63 52 80 -28 0.0 -
4 Count Your Chances 67 51 80 -29 0.0 -
5 Camerata 77 49 72 -23 4.0 -
6 Paradise Flower - 37 68 -31 6.0 -
7 Together Again - 55 80 -25 0.0 -
8 Lucy Lucy - - 68 -68 6.0 -
9 Unyielding - 88 72 +16 4.0 -
99 Damned If I Do - 62 72 -10 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