Official NHA Assessment

Race 7: RACEHORSE OWNERS ASSOCIATION FM 86 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Strange Magic
Reference for assessment
Exact Matches
2 / 10
Calculated = Official
Close Matches
3 / 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    Bomber Girl          4    58.5    1    0.00     5.0   83    73           83    +0
2    Lovegrass            4    60.0    2    0.25     5.0   86    76           76    -10
3    Strange Magic        5    57.0    3    2.50     0.0   80    80           80    +0
4    You Win Again        5    58.5    4    2.75     0.0   83    83           83    +0
5    Jambo Sana           2    52.5    5    3.25     3.0   71    65           65    -6
6    Concerto             4    53.5    6    3.75     5.0   72    63           63    -9
7    Ella's Delight       2    54.0    7    6.50     3.0   74    68           68    -6
8    Miss Shaivi          4    54.0    8    6.60     5.0   74    64           64    -10
9    Jade's Caberneigh    5    52.5    9    8.10     0.0   71    71           71    +0
10   Idita                4    56.5    10   10.60    5.0   79    69           69    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Bomber Girl 83 84 83 +1 5.0 -
2 Lovegrass 86 96 76 +20 5.0 -
3 Strange Magic Line 80 69 80 -11 0.0
4 You Win Again 83 83 83 ✓ Match 0.0 -
5 Jambo Sana 71 74 65 +9 3.0 -
6 Concerto 72 73 63 +10 5.0 -
7 Ella's Delight 74 71 68 +3 3.0 -
8 Miss Shaivi 74 68 64 +4 5.0 -
9 Jade's Caberneigh 71 71 71 ✓ Match 0.0 -
10 Idita 79 79 69 +10 5.0 -
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