Official NHA Assessment

Race 3: FRANSCHHOEK MOTOR MUSEUM WINCHESTER SPRINT CUP (For All Horses (Non-Black Type))

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Line Horse
Mr Cobbs
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
1 / 11
Within 2 points
Significant Diffs
6 / 11
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    Thunderstruck        2    62.0    1    0.00     3.5   121   112          112   -9
2    Isivunguvungu        3    62.0    2    0.40     5.0   130   109          120   -10
3    Mufasa               6    54.0    3    0.70     0.0   100   103          103   +3
4    Bereave              4    62.0    4    0.75     6.0   120   107          110   -10
5    Mr Cobbs             5    54.0    5    2.00     0.0   103   103          103   +0
6    Rio Querari          5    62.0    6    2.40     0.0   120   119          119   -1
7    Ready To Charge      2    54.0    7    2.90     3.5   109   96           99    -10
8    Hunting Trip         2    50.0    8    4.15     3.5   97    88           88    -9
9    Resonate             3    56.0    9    5.15     5.0   106   97           97    -9
99   Outlaw King          2    52.0    99   0.00     3.5   -     92           92    +0
99   Yellowporscheroad    2    52.0    99   0.00     3.5   -     92           92    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Thunderstruck 121 128 112 +16 3.5 -
2 Isivunguvungu 130 130 120 +10 5.0 -
3 Mufasa 100 98 103 -5 0.0 -
4 Bereave 120 111 110 +1 6.0 -
5 Mr Cobbs Line 103 106 103 +3 0.0
6 Rio Querari 120 116 119 -3 0.0 -
7 Ready To Charge 109 110 99 +11 3.5 -
8 Hunting Trip 97 96 88 +8 3.5 -
9 Resonate 106 103 97 +6 5.0 -
99 Outlaw King - 123 92 +31 3.5 -
99 Yellowporscheroad - 97 92 +5 3.5 -
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