Official NHA Assessment

Race 6: TABGOLD SCORE 6 SCORE 8 SCORE 10 MR 89 HANDICAP (Open)

Back to Race
Line Horse
Bowie
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
5 / 11
Within 2 points
Significant Diffs
6 / 11
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Romance In Rome      2    59.5    1    0.00     0.0   97    85           97    +0
2    William Rufus        2    57.5    2    0.40     0.0   84    86           86    +2
3    Wylie Riley          2    53.0    3    0.45     0.0   80    77           77    -3
4    Bowie                7    60.5    4    1.65     0.0   90    90           90    +0
5    Winter Baron         2    57.0    5    2.85     0.0   83    82           82    -1
6    Voldemort            6    54.0    6    4.25     0.0   85    75           75    -10
7    Narina Trogon        5    61.0    7    4.95     0.0   91    88           88    -3
8    Ralph The Rascal     8    57.0    8    5.35     0.0   83    80           80    -3
9    Aqua Bolt            5    58.5    9    5.95     0.0   86    83           83    -3
10   Imposing             2    57.5    10   10.55    0.0   87    81           81    -6
99   Ibutho               7    59.0    99   0.00     0.0   -     84           84    +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Romance In Rome 97 83 97 -14 0.0 -
2 William Rufus 84 88 86 +2 0.0 -
3 Wylie Riley 80 79 77 +2 0.0 -
4 Bowie Line 90 82 90 -8 0.0
5 Winter Baron 83 81 82 -1 0.0 -
6 Voldemort 85 81 75 +6 0.0 -
7 Narina Trogon 91 102 88 +14 0.0 -
8 Ralph The Rascal 83 73 80 -7 0.0 -
9 Aqua Bolt 86 84 83 +1 0.0 -
10 Imposing 87 107 81 +26 0.0 -
99 Ibutho - 83 84 -1 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