Official NHA Assessment

Race 4: TOP BET SPRING CHALLENGE 1 OCTOBER MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Maith An Cailin
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
8 / 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    Strange Magic        5    57.0    1    0.00     0.0   72    70           70    -2
2    Karin's Legacy       3    57.0    2    4.40     8.5   -     53           53    +53
3    Maith An Cailin      2    57.0    3    5.60     0.0   70    70           70    +0
4    Allthewayfromusa     2    57.0    4    6.00     0.0   67    70           70    +3
5    Brazilian Storm      4    60.0    5    7.20     6.0   -     64           64    +64
6    Ballycotton          2    57.0    6    8.50     0.0   67    70           70    +3
7    Countess Danza       5    57.0    7    13.00    0.0   76    70           70    -6
8    Crusade's Pleasure   3    57.0    8    14.25    8.5   -     53           53    +53
9    French Kitten        2    57.0    9    25.00    0.0   -     70           70    +70
99   Apache Love          2    57.0    99   0.00     0.0   -     70           70    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Strange Magic 72 69 70 -1 0.0 -
2 Karin's Legacy - 70 53 +17 8.5 -
3 Maith An Cailin Line 70 68 70 -2 0.0
4 Allthewayfromusa 67 57 70 -13 0.0 -
5 Brazilian Storm - 42 64 -22 6.0 -
6 Ballycotton 67 53 70 -17 0.0 -
7 Countess Danza 76 51 70 -19 0.0 -
8 Crusade's Pleasure - 44 53 -9 8.5 -
9 French Kitten - 36 70 -34 0.0 -
99 Apache Love - 45 70 -25 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