Official NHA Assessment

Race 6: TRACK & BALL GAMING FM 76 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Sting Ray
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 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    Foreshore            2    58.0    1    0.00     0.0   89    90           89    +0
2    Sting Ray            3    58.0    2    3.20     8.5   75    75           75    +0
3    Bosnay               4    60.0    3    3.25     6.0   93    84           84    -9
4    Let It Snow          2    61.0    4    5.35     0.0   79    96           96    +17
5    Theappleofmyeye      3    57.5    5    5.75     8.5   72    72           72    +0
6    Little Lady          2    55.0    6    5.95     0.0   67    84           84    +17
7    Rain Wear            4    58.5    7    7.95     6.0   73    79           79    +6
8    Oh So Squishy        3    61.0    8    11.15    8.5   78    79           79    +1
9    Feeling Groovy       2    59.0    9    14.35    0.0   75    92           92    +17
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Foreshore 89 92 89 +3 0.0 -
2 Sting Ray Line 75 73 75 -2 8.5
3 Bosnay 93 74 84 -10 6.0 -
4 Let It Snow 79 61 96 -35 0.0 -
5 Theappleofmyeye 72 63 72 -9 8.5 -
6 Little Lady 67 65 84 -19 0.0 -
7 Rain Wear 73 73 79 -6 6.0 -
8 Oh So Squishy 78 68 79 -11 8.5 -
9 Feeling Groovy 75 60 92 -32 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