Official NHA Assessment

Race 7: PULSIT ELECTRONICS MR 95 HANDICAP (Open)

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Line Horse
Bob's Your Uncle
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
3 / 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    Max The Magician     4    56.5    1    0.00     6.0   89    74           89    +0
2    Cape Lights          5    58.5    2    1.80     0.0   92    93           93    +1
3    Bob's Your Uncle     5    55.0    3    2.40     0.0   85    85           85    +0
4    Warhawk Bomber       2    58.0    4    4.00     0.0   92    90           90    -2
5    Thunderstone         2    56.0    5    6.60     0.0   92    85           85    -7
6    Platina Princess     2    60.0    6    10.40    0.0   96    93           93    -3
99   Princeofgreen        2    56.5    99   0.00     0.0   -     86           86    +0
99   Brave Viking         5    56.0    99   0.00     0.0   -     85           85    +0
99   King's Ransom        4    54.0    99   0.00     6.0   -     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 Max The Magician 89 95 89 +6 6.0 -
2 Cape Lights 92 74 93 -19 0.0 -
3 Bob's Your Uncle Line 85 103 85 +18 0.0
4 Warhawk Bomber 92 80 90 -10 0.0 -
5 Thunderstone 92 86 85 +1 0.0 -
6 Platina Princess 96 94 93 +1 0.0 -
99 Princeofgreen - 87 86 +1 0.0 -
99 Brave Viking - 72 85 -13 0.0 -
99 King's Ransom - 89 69 +20 6.0 -
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