Official NHA Assessment

Race 3: POUND BLOODSTOCK MR 92 HANDICAP (Open)

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Line Horse
Parmenion
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
4 / 10
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    The Shepherd         3    60.0    1    0.00     8.0   93    73           93    +0
2    Strathclyde          3    59.5    2    1.40     8.0   92    75           82    -10
3    Parmenion            5    56.5    3    2.00     0.0   85    85           85    +0
4    Imposing             2    53.5    4    2.05     0.0   82    79           79    -3
5    Voldemort            6    55.0    5    2.45     0.0   82    81           81    -1
6    Mr Master Starter    6    61.5    6    2.65     0.0   95    94           94    -1
7    William Rufus        2    58.0    7    2.90     0.0   88    87           87    -1
8    Ibutho               7    58.5    8    3.80     0.0   89    87           87    -2
9    New Mexico           2    52.5    9    4.40     0.0   77    74           74    -3
99   Rosh Kedesh          5    57.5    99   0.00     0.0   -     84           84    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 The Shepherd 93 97 93 +4 8.0 -
2 Strathclyde 92 97 82 +15 8.0 -
3 Parmenion Line 85 78 85 -7 0.0
4 Imposing 82 107 79 +28 0.0 -
5 Voldemort 82 81 81 ✓ Match 0.0 -
6 Mr Master Starter 95 97 94 +3 0.0 -
7 William Rufus 88 88 87 +1 0.0 -
8 Ibutho 89 83 87 -4 0.0 -
9 New Mexico 77 83 74 +9 0.0 -
99 Rosh Kedesh - 88 84 +4 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