Official NHA Assessment

Race 1: 4RACING WELCOMES YOU MAIDEN JUVENILE PLATE (Fillies) (For 2 yof R100 000 Win BSA / CRS Bonus)

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Line Horse
None identified
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
11 / 11
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    Mystical Miss        2    60.0    1    0.00     2.0   -     -            -     +0
2    Versace Onthetrack   2    60.0    2    2.40     2.0   -     -            -     +0
3    Jazz Pianist         2    60.0    3    3.30     2.0   -     -            -     +0
4    Queen's Pact         2    60.0    4    6.90     2.0   -     -            -     +0
5    Delaware River       2    60.0    5    6.95     2.0   -     -            -     +0
6    Hotaru               2    60.0    6    7.45     2.0   -     -            -     +0
7    Jazz Away            2    60.0    7    14.70    2.0   -     -            -     +0
8    Hopscotch            2    60.0    8    16.20    2.0   -     -            -     +0
9    Far Beyond           2    57.5    9    18.30    2.0   -     -            -     +0
10   Nothing Compares     2    60.0    10   19.00    2.0   -     -            -     +0
11   Red Hot Kisses       2    56.0    11   26.50    2.0   -     -            -     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mystical Miss - 83 - +83 2.0 -
2 Versace Onthetrack - 88 - +88 2.0 -
3 Jazz Pianist - 79 - +79 2.0 -
4 Queen's Pact - 69 - +69 2.0 -
5 Delaware River - 77 - +77 2.0 -
6 Hotaru - 91 - +91 2.0 -
7 Jazz Away - 64 - +64 2.0 -
8 Hopscotch - 66 - +66 2.0 -
9 Far Beyond - 82 - +82 2.0 -
10 Nothing Compares - 59 - +59 2.0 -
11 Red Hot Kisses - 62 - +62 2.0 -
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