Official NHA Assessment

Race 4: WP NOMADS CLASS 3 (Open. Benchmark at 60.0kg = 96)

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Line Horse
Tout A Fait
Reference for assessment
Exact Matches
0 / 14
Calculated = Official
Close Matches
1 / 14
Within 2 points
Significant Diffs
12 / 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    Big Unit             3    53.5    1    0.00     6.0   83    78           78    -5
2    Tout A Fait          3    56.0    2    0.40     6.0   88    88           88    +0
3    Willie John          3    55.0    3    0.60     6.0   86    86           86    +0
4    Solomons Seal        2    57.0    4    1.35     0.0   90    100          100   +10
5    Powerandtheglory     3    53.5    5    1.75     6.0   95    81           85    -10
6    Charlie Croker       2    57.0    6    2.15     0.0   90    100          100   +10
7    Rosh Kedesh          5    56.0    7    3.15     0.0   88    97           97    +9
8    Surge Of Power       2    56.5    8    3.65     0.0   101   97           97    -4
9    King Of Spin         3    53.5    9    4.65     6.0   83    78           78    -5
10   Cheeky Laddie        5    53.5    10   4.95     0.0   83    90           90    +7
11   San Pedro            5    60.5    11   5.35     0.0   97    104          104   +7
12   Zoomie               2    56.5    12   8.85     0.0   89    96           96    +7
13   Scalini              2    54.0    13   9.35     0.0   84    91           91    +7
99   Innamorare           5    58.0    99   0.00     0.0   -     99           99    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Big Unit 83 84 78 +6 6.0 -
2 Tout A Fait Line 88 80 88 -8 6.0
3 Willie John 86 84 86 -2 6.0 -
4 Solomons Seal 90 90 100 -10 0.0 -
5 Powerandtheglory 95 96 85 +11 6.0 -
6 Charlie Croker 90 82 100 -18 0.0 -
7 Rosh Kedesh 88 88 97 -9 0.0 -
8 Surge Of Power 101 80 97 -17 0.0 -
9 King Of Spin 83 91 78 +13 6.0 -
10 Cheeky Laddie 83 87 90 -3 0.0 -
11 San Pedro 97 82 104 -22 0.0 -
12 Zoomie 89 86 96 -10 0.0 -
13 Scalini 84 70 91 -21 0.0 -
99 Innamorare - 91 99 -8 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