Official NHA Assessment

Race 6: TRACK & BALL GAMING FM 71 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Vision Of Will
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
5 / 8
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    Kennedy              3    59.5    1    0.00     4.5   70    73           70    +0
2    Le Premiere          4    60.0    2    0.80     5.0   77    73           73    -4
3    Vision Of Will       3    58.0    3    1.30     4.5   70    70           70    +0
4    Arverni Princess     2    57.0    4    4.60     3.0   71    71           71    +0
5    Magicallee           4    55.0    5    5.10     5.0   69    63           63    -6
6    Predator's Feast     2    57.0    6    5.35     3.0   71    71           71    +0
7    HereInAfter          4    55.0    7    5.40     5.0   61    63           63    +2
8    Full Of Magic        4    57.0    8    7.20     5.0   71    67           67    -4
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kennedy 70 79 70 +9 4.5 -
2 Le Premiere 77 84 73 +11 5.0 -
3 Vision Of Will Line 70 66 70 -4 4.5
4 Arverni Princess 71 67 71 -4 3.0 -
5 Magicallee 69 65 63 +2 5.0 -
6 Predator's Feast 71 62 71 -9 3.0 -
7 HereInAfter 61 72 63 +9 5.0 -
8 Full Of Magic 71 52 67 -15 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