Official NHA Assessment

Race 1: GARDMED AMBULANCE SERVICE WORK RIDERS MAIDEN PLATE (For Maidens)

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Line Horse
Duchess Of Seville
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
1 / 14
Within 2 points
Significant Diffs
9 / 14
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    Ruby Claire          3    58.0    1    0.00     1.5   66    60           60    -6
2    Away With Red        3    60.0    2    0.50     1.5   56    64           64    +8
3    American Eagle       3    60.5    3    1.75     1.5   61    65           65    +4
4    Duchess Of Seville   4    57.5    4    2.50     2.0   58    58           58    +0
5    Welsh Starlet        3    57.5    5    2.60     1.5   58    59           59    +1
6    Star Trooper         3    60.5    6    3.10     1.5   52    65           65    +13
7    Wearingofthegreen (  4    57.5    7    4.35     2.0   61    58           58    -3
8    Time In Paris        4    57.5    8    4.85     2.0   60    58           58    -2
9    Salagadoola          2    54.5    9    5.85     0.5   -     55           55    +55
10   Darling Girl         2    57.5    10   7.10     0.5   57    61           61    +4
11   Monocle              3    60.0    11   7.20     1.5   52    64           64    +12
12   Epic Thunder         3    60.0    12   9.45     1.5   37    64           64    +27
13   Bhavaroopa           3    57.5    13   14.95    1.5   -     59           59    +59
99   Am Still Winning     3    57.5    99   0.00     1.5   -     59           59    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Ruby Claire 66 52 60 -8 1.5 -
2 Away With Red 56 62 64 -2 1.5 -
3 American Eagle 61 59 65 -6 1.5 -
4 Duchess Of Seville Line 58 53 58 -5 2.0
5 Welsh Starlet 58 63 59 +4 1.5 -
6 Star Trooper 52 51 65 -14 1.5 -
7 Wearingofthegreen (IRE) 61 61 58 +3 2.0 -
8 Time In Paris 60 61 58 +3 2.0 -
9 Salagadoola - 66 55 +11 0.5 -
10 Darling Girl 57 54 61 -7 0.5 -
11 Monocle 52 52 64 -12 1.5 -
12 Epic Thunder 37 49 64 -15 1.5 -
13 Bhavaroopa - - 59 -59 1.5 -
99 Am Still Winning - 51 59 -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