Official NHA Assessment

Race 10: NEXT TURFFONTEIN RACEMEETING SATURDAY 16 MAY MIDDLE STAKES (For All Horses)

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Line Horse
Karate Kid
Reference for assessment
Exact Matches
3 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
2 / 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    Karate Kid           3    62.0    1    0.00     2.5   103   103          103   +0
2    Max The Magician     4    58.0    2    0.20     0.0   95    100          100   +5
3    Season's Greetings   2    50.0    3    2.00     1.5   87    81           81    -6
4    The Last Duke        2    60.0    4    2.25     1.5   101   101          101   +0
5    Zalatoris            2    63.0    5    3.65     1.5   110   107          107   -3
6    Echo Check           2    56.0    6    4.05     1.5   95    93           93    -2
7    Pointer              3    47.5    7    4.25     2.5   84    74           74    -10
8    Dantonfromsandton    3    58.0    8    5.05     2.5   96    95           95    -1
9    Chrome Tourmaline    4    59.0    9    6.35     0.0   106   102          102   -4
99   Storm Brasco         4    56.0    99   0.00     0.0   -     96           96    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Karate Kid Line 103 103 103 ✓ Match 2.5
2 Max The Magician 95 95 100 -5 0.0 -
3 Season's Greetings 87 87 81 +6 1.5 -
4 The Last Duke 101 101 101 ✓ Match 1.5 -
5 Zalatoris 110 110 107 +3 1.5 -
6 Echo Check 95 93 93 ✓ Match 1.5 -
7 Pointer 84 81 74 +7 2.5 -
8 Dantonfromsandton 96 92 95 -3 2.5 -
9 Chrome Tourmaline 106 105 102 +3 0.0 -
99 Storm Brasco - 93 96 -3 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