Official NHA Assessment

Race 7: PERFECTLY PLACED CLASS 5 (F & M) (For Fillies & Mares. Benchmark at 60.0kg = 66)

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Line Horse
Royal Lytham
Reference for assessment
Exact Matches
2 / 12
Calculated = Official
Close Matches
2 / 12
Within 2 points
Significant Diffs
6 / 12
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    Double Dream         3    61.0    1    0.00     2.5   68    66           66    -2
2    Why Not Jackie       5    58.0    2    0.50     0.0   62    65           65    +3
3    Royal Lytham         4    58.0    3    1.25     0.0   65    65           65    +0
4    Try Me               4    58.0    4    1.35     0.0   65    65           65    +0
5    A Thousand Kisses    2    57.5    5    2.35     1.5   64    61           61    -3
6    Electric Feels       5    54.0    6    3.10     0.0   54    57           57    +3
7    Nile The Boss        4    62.0    7    3.50     0.0   73    73           73    +0
8    Black Path           6    52.0    8    3.55     0.0   50    53           53    +3
9    Country Time         5    62.0    9    3.75     0.0   70    73           73    +3
10   Tres Chic            4    61.5    10   4.25     0.0   72    72           72    +0
11   Veronique            6    55.0    11   4.45     0.0   55    59           59    +4
12   Fire Chaser          2    57.0    12   11.45    1.5   63    60           60    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Double Dream 68 71 66 +5 2.5 -
2 Why Not Jackie 62 65 65 ✓ Match 0.0 -
3 Royal Lytham Line 65 69 65 +4 0.0
4 Try Me 65 52 65 -13 0.0 -
5 A Thousand Kisses 64 54 61 -7 1.5 -
6 Electric Feels 54 57 57 ✓ Match 0.0 -
7 Nile The Boss 73 52 73 -21 0.0 -
8 Black Path 50 58 53 +5 0.0 -
9 Country Time 70 62 73 -11 0.0 -
10 Tres Chic 72 52 72 -20 0.0 -
11 Veronique 55 56 59 -3 0.0 -
12 Fire Chaser 63 52 60 -8 1.5 -
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