Official NHA Assessment

Race 6: RACING240 FM 78 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Just Power
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
0 / 9
Within 2 points
Significant Diffs
7 / 9
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    Zippy Over           3    57.0    1    0.00     9.0   73    71           73    +0
2    Enchanted Creek      5    52.5    2    0.50     0.0   63    85           85    +22
3    Love Is A Rose       2    55.0    3    3.75     0.0   86    86           86    +0
4    Just Power           3    52.0    4    5.00     9.0   61    61           61    +0
5    Panzanella           3    54.5    5    6.50     9.0   68    66           66    -2
6    Rewrite The Stars    5    55.5    6    10.00    0.0   69    86           86    +17
7    Rosie Roan           4    53.0    7    11.75    7.0   64    67           67    +3
8    Alfred's Girl        7    57.0    8    15.00    0.0   72    89           89    +17
99   Academic Gold        5    61.0    99   0.00     0.0   -     97           97    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Zippy Over 73 78 73 +5 9.0 -
2 Enchanted Creek 63 60 85 -25 0.0 -
3 Love Is A Rose 86 105 86 +19 0.0 -
4 Just Power Line 61 48 61 -13 9.0
5 Panzanella 68 61 66 -5 9.0 -
6 Rewrite The Stars 69 59 86 -27 0.0 -
7 Rosie Roan 64 55 67 -12 7.0 -
8 Alfred's Girl 72 65 89 -24 0.0 -
99 Academic Gold - 80 97 -17 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