Official NHA Assessment

Race 9: NEXT TURFFONTEIN RACE MEETING TUESDAY 29 AUGUST MR 75 HANDICAP (Open)

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Line Horse
Mo The Man
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
2 / 11
Within 2 points
Significant Diffs
7 / 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    Silent Trigger       6    58.0    1    0.00     0.0   71    87           71    +0
2    Elusive Swann        4    58.5    2    0.50     7.0   72    79           79    +7
3    Nazare               3    58.5    3    1.25     9.0   73    74           74    +1
4    Mo The Man           3    60.5    4    1.50     9.0   77    77           77    +0
5    Rattle Bag           6    60.0    5    1.60     0.0   75    94           94    +19
6    Mvelelo              2    54.5    6    2.80     0.0   82    82           82    +0
7    Silly Fella          4    52.0    7    3.80     7.0   52    62           62    +10
8    Gregor Macgregor     4    55.5    8    4.40     7.0   66    68           68    +2
9    Summer Fling         3    57.0    9    5.40     9.0   70    67           67    -3
10   Monsieur Chevelle    3    56.0    10   6.40     9.0   67    65           65    -2
99   Godfather            2    56.0    99   0.00     0.0   -     83           83    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Silent Trigger 71 60 71 -11 0.0 -
2 Elusive Swann 72 72 79 -7 7.0 -
3 Nazare 73 70 74 -4 9.0 -
4 Mo The Man Line 77 83 77 +6 9.0
5 Rattle Bag 75 71 94 -23 0.0 -
6 Mvelelo 82 84 82 +2 0.0 -
7 Silly Fella 52 51 62 -11 7.0 -
8 Gregor Macgregor 66 63 68 -5 7.0 -
9 Summer Fling 70 50 67 -17 9.0 -
10 Monsieur Chevelle 67 63 65 -2 9.0 -
99 Godfather - 57 83 -26 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