Official NHA Assessment

Race 9: BETWAY WE PAY YOUR TAX ON HORSE RACING WINS MR 80 HANDICAP (Open)

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Line Horse
Silvano's Song
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
6 / 9
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    Youcanthurrylove     5    58.5    1    0.00     0.0   77    94           77    +0
2    Silvano's Song       3    55.5    2    1.75     9.0   73    73           73    +0
3    House Of Romanov     2    55.0    3    2.50     0.0   88    89           89    +1
4    Mo The Man           3    59.0    4    3.30     9.0   80    78           78    -2
5    Woodland Glade       2    52.0    5    4.40     0.0   82    81           81    -1
6    Positive Attitude    6    60.5    6    7.50     0.0   81    98           98    +17
7    Wolffs World         4    59.5    7    11.25    5.0   79    86           86    +7
8    Black Lightning      2    60.0    8    14.00    0.0   82    97           97    +15
99   Mondial              3    55.0    99   0.00     9.0   -     69           69    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Youcanthurrylove 77 86 77 +9 0.0 -
2 Silvano's Song Line 73 74 73 +1 9.0
3 House Of Romanov 88 81 89 -8 0.0 -
4 Mo The Man 80 83 78 +5 9.0 -
5 Woodland Glade 82 76 81 -5 0.0 -
6 Positive Attitude 81 90 98 -8 0.0 -
7 Wolffs World 79 79 86 -7 5.0 -
8 Black Lightning 82 64 97 -33 0.0 -
99 Mondial - 115 69 +46 9.0 -
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