Official NHA Assessment

Race 7: RACING240 FOR RACING. FOR YOU FM 86 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Unyielding
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
1 / 10
Within 2 points
Significant Diffs
5 / 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    Essential            4    53.5    1    0.00     1.0   78    69           78    +0
2    Unyielding           2    56.0    2    3.25     0.0   78    78           78    +0
3    Opera Swing          4    55.0    3    5.00     1.0   76    72           72    -4
4    Time For Glory       2    54.0    4    5.10     0.0   74    72           72    -2
5    Aerial View          3    55.5    5    5.20     2.5   77    70           70    -7
6    Chroniclesofnania    5    57.5    6    5.30     0.0   81    79           79    -2
7    Jam Jam              2    51.5    7    6.80     0.0   72    67           67    -5
8    River Queraress      2    62.0    8    8.55     0.0   90    88           88    -2
9    Idita                4    61.0    9    11.30    1.0   93    84           84    -9
99   United Express       2    57.0    99   0.00     0.0   -     78           78    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Essential 78 91 78 +13 1.0 -
2 Unyielding Line 78 88 78 +10 0.0
3 Opera Swing 76 82 72 +10 1.0 -
4 Time For Glory 74 77 72 +5 0.0 -
5 Aerial View 77 82 70 +12 2.5 -
6 Chroniclesofnania 81 60 79 -19 0.0 -
7 Jam Jam 72 63 67 -4 0.0 -
8 River Queraress 90 88 88 ✓ Match 0.0 -
9 Idita 93 79 84 -5 1.0 -
99 United Express - 74 78 -4 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