Official NHA Assessment

Race 1: HOLLYWOODBETS KENILWORTH WELCOMES YOU MAIDEN PLATE (F & M) (For Maiden Fillies and Mares)

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Line Horse
Strata
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
0 / 13
Within 2 points
Significant Diffs
13 / 13
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    Tres Chic            4    60.0    1    0.00     7.0   79    80           70    -9
2    Charlene             2    60.0    2    1.25     4.0   80    86           86    +6
3    F Eight              2    60.0    3    1.55     4.0   66    86           86    +20
3    Strata               4    60.0    3    1.55     7.0   80    80           80    +0
5    Simply Beautiful     3    60.0    5    2.05     6.0   60    82           82    +22
6    Pretty Precious      3    60.0    6    3.30     6.0   -     82           82    +82
7    Stealingthethunder   2    60.0    7    3.35     4.0   -     86           86    +86
8    Lavender Bay         4    60.0    8    4.35     7.0   -     80           80    +80
9    Whispering Angel     3    60.0    9    6.10     6.0   -     82           82    +82
10   Cosmic Energy        2    60.0    10   7.60     4.0   -     86           86    +86
11   Gusto Girl           3    60.0    11   7.65     6.0   -     82           82    +82
12   Silver Flare         4    60.5    12   9.90     7.0   -     81           81    +81
13   Sophia Raie          2    60.0    13   99.99    4.0   -     86           86    +86
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Tres Chic 79 52 70 -18 7.0 -
2 Charlene 80 78 86 -8 4.0 -
3 F Eight 66 61 86 -25 4.0 -
3 Strata Line 80 74 80 -6 7.0
5 Simply Beautiful 60 55 82 -27 6.0 -
6 Pretty Precious - 72 82 -10 6.0 -
7 Stealingthethunder - 47 86 -39 4.0 -
8 Lavender Bay - 95 80 +15 7.0 -
9 Whispering Angel - 62 82 -20 6.0 -
10 Cosmic Energy - 63 86 -23 4.0 -
11 Gusto Girl - 50 82 -32 6.0 -
12 Silver Flare - 64 81 -17 7.0 -
13 Sophia Raie - - 86 -86 4.0 -
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