Official NHA Assessment

Race 5: WWW.GAUTENGSUMMERCUP.CO.ZA GRADUATION PLATE (For 1 & 2 Time Winners & Maidens)

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Line Horse
Mo Jive
Reference for assessment
Exact Matches
0 / 7
Calculated = Official
Close Matches
1 / 7
Within 2 points
Significant Diffs
6 / 7
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    Total Protection     2    54.5    1    0.00     0.0   95    86           86    -9
2    Platinum Sky         3    60.0    2    1.80     7.0   98    86           88    -10
3    Forged By Fire       3    50.5    3    4.50     7.0   70    64           64    -6
4    Mo Jive              2    54.5    4    5.00     0.0   86    86           86    +0
5    Simple Simple        5    52.0    5    9.50     0.0   89    81           81    -8
6    Cool Winter          2    55.0    6    27.75    0.0   90    87           87    -3
99   Definitely Maybe     3    57.0    99   0.00     7.0   -     77           77    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Total Protection 95 96 86 +10 0.0 -
2 Platinum Sky 98 99 88 +11 7.0 -
3 Forged By Fire 70 66 64 +2 7.0 -
4 Mo Jive Line 86 78 86 -8 0.0
5 Simple Simple 89 71 81 -10 0.0 -
6 Cool Winter 90 78 87 -9 0.0 -
99 Definitely Maybe - 97 77 +20 7.0 -
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