Official NHA Assessment

Race 1: Hollywoodbets KENILWORTH WELCOMES YOU MAIDEN PLATE (For all Maidens)

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Line Horse
Summer Snow
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    Maneki Neko          2    60.0    1    0.00     4.0   68    81           74    +6
2    Flying Finley        3    60.0    2    2.25     6.0   -     77           77    +77
3    Klein Karoo          3    60.0    3    2.55     6.0   -     77           77    +77
4    Summer Snow          2    60.0    4    3.05     4.0   81    81           81    +0
5    Vivo Per Lei         3    57.5    5    5.05     6.0   70    72           72    +2
6    Midwicket            3    57.5    6    11.55    6.0   -     72           72    +72
7    Penny's World        3    57.5    7    12.30    6.0   62    72           72    +10
8    Silver Opposition    3    60.0    8    13.05    6.0   -     77           77    +77
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Maneki Neko 68 60 74 -14 4.0 -
2 Flying Finley - 88 77 +11 6.0 -
3 Klein Karoo - 73 77 -4 6.0 -
4 Summer Snow Line 81 79 81 -2 4.0
5 Vivo Per Lei 70 66 72 -6 6.0 -
6 Midwicket - 67 72 -5 6.0 -
7 Penny's World 62 61 72 -11 6.0 -
8 Silver Opposition - 49 77 -28 6.0 -
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