Official NHA Assessment

Race 3: PLAY SOCCER 6, 10 AND 13 OPEN MAIDEN (For all Maidens)

Line Horse
World Soprano
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
5 / 13
Within 2 points
Significant Diffs
3 / 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    World Soprano        2    58.0    1    0.00     1.5   65    65           65    +0
2    Fyfield Legend       2    58.0    2    0.05     1.5   -     65           65    +65
3    Pretty Boy           3    56.5    3    2.30     2.5   64    60           60    -4
4    Alleyah's Rocket     3    51.5    4    4.55     2.5   56    50           50    -6
5    Focal Point          2    54.0    5    5.80     1.5   64    57           57    -7
6    Timeline             3    52.5    6    6.30     2.5   50    52           52    +2
7    Good Shine           2    53.0    7    7.55     1.5   55    55           55    +0
8    Without Hesitation   2    51.5    8    9.05     1.5   57    52           52    -5
9    Palme D'or           3    61.0    9    11.80    2.5   -     69           69    +69
10   Night In Japan       3    51.0    10   11.90    2.5   49    49           49    +0
99   Indestructable       3    55.5    99   0.00     2.5   -     58           58    +0
99   Bossy Lady           3    48.0    99   0.00     2.5   -     43           43    +0
99   Five Star Magic      4    52.5    99   0.00     0.0   -     57           57    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 World Soprano Line 65 67 65 +2 1.5
2 Fyfield Legend - - 65 - 1.5 -
3 Pretty Boy 64 64 60 +4 2.5 -
4 Alleyah's Rocket 56 59 50 +9 2.5 -
5 Focal Point 64 63 57 +6 1.5 -
6 Timeline 50 54 52 +2 2.5 -
7 Good Shine 55 53 55 -2 1.5 -
8 Without Hesitation 57 55 52 +3 1.5 -
9 Palme D'or - - 69 -69 2.5 -
10 Night In Japan 49 51 49 +2 2.5 -
99 Indestructable - 63 58 +5 2.5 -
99 Bossy Lady - 45 43 +2 2.5 -
99 Five Star Magic - 61 57 +4 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