Official NHA Assessment

Race 1: ROUND TABLE WAGS WALLOP BORROWDALE D STAKES 68 (For All Horses with a nett rating of 68 & below)

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Line Horse
When Evening Comes
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
4 / 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    Bello Grosso         2    60.0    1    0.00     0.0   67    71           71    +4
2    When Evening Comes   5    53.0    2    5.00     0.0   57    57           57    +0
3    Dark Future          2    51.0    3    11.00    0.0   47    53           53    +6
4    Silent Power         3    50.0    4    11.10    1.0   38    49           49    +11
5    Jumped A Red         2    50.0    5    12.10    0.0   42    51           51    +9
6    Emma Of Normandy     2    50.0    6    99.99    0.0   44    51           51    +7
99   Gypsy Express        5    57.5    99   0.00     0.0   -     66           66    +0
99   Il Combattente       3    50.0    99   0.00     1.0   -     49           49    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Bello Grosso 67 72 71 +1 0.0 -
2 When Evening Comes Line 57 58 57 +1 0.0
3 Dark Future 47 49 53 -4 0.0 -
4 Silent Power 38 42 49 -7 1.0 -
5 Jumped A Red 42 42 51 -9 0.0 -
6 Emma Of Normandy 44 44 51 -7 0.0 -
99 Gypsy Express - 58 66 -8 0.0 -
99 Il Combattente - 46 49 -3 1.0 -
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