Official NHA Assessment

Race 6: www.galloptv.co.za C STAKES (For All Horses)

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Line Horse
Definitely Yes
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
4 / 11
Within 2 points
Significant Diffs
5 / 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    Eventidor            6    60.0    1    0.00     0.0   85    72           72    -13
2    Kumemori             5    57.0    2    0.40     0.0   71    71           71    +0
3    Definitely Yes       2    58.5    3    1.50     0.0   72    72           72    +0
4    King's Island        4    57.0    4    1.60     2.5   74    64           64    -10
5    Prince Of Troy       3    60.0    5    2.80     4.0   84    66           74    -10
6    Meerkat Moon         2    58.5    6    2.90     0.0   73    71           71    -2
7    Parmenion            5    59.5    7    3.90     0.0   81    72           72    -9
8    El Rey Viene         5    60.0    8    3.95     0.0   77    73           73    -4
9    Dapper               2    60.0    9    4.25     0.0   77    73           73    -4
10   Mvelelo              2    60.0    10   6.95     0.0   85    72           75    -10
11   Charlie Croker       2    62.5    11   9.85     0.0   82    77           77    -5
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Eventidor 85 89 72 +17 0.0 -
2 Kumemori 71 71 71 ✓ Match 0.0 -
3 Definitely Yes Line 72 71 72 -1 0.0
4 King's Island 74 72 64 +8 2.5 -
5 Prince Of Troy 84 80 74 +6 4.0 -
6 Meerkat Moon 73 70 71 -1 0.0 -
7 Parmenion 81 78 72 +6 0.0 -
8 El Rey Viene 77 77 73 +4 0.0 -
9 Dapper 77 72 73 -1 0.0 -
10 Mvelelo 85 84 75 +9 0.0 -
11 Charlie Croker 82 82 77 +5 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