Official NHA Assessment

Race 7: www.tabgold.co.za MR 66 HANDICAP (Open)

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Line Horse
Silent Trigger
Reference for assessment
Exact Matches
2 / 13
Calculated = Official
Close Matches
3 / 13
Within 2 points
Significant Diffs
6 / 13
More than 5 points
Detailed Assessment
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Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Imaginable           3    58.5    1    0.00     2.0   63    58           63    +0
2    Palermo              4    62.0    2    0.40     0.5   74    73           73    -1
3    Wave Warrior         3    58.5    3    1.60     2.0   63    61           61    -2
4    Silent Trigger       6    59.5    4    3.60     0.0   65    65           65    +0
5    Eventidor            6    60.5    5    3.70     0.0   70    67           67    -3
6    Devils And Dust      2    55.5    6    4.60     0.0   57    56           56    -1
7    Time Taker           4    51.5    7    5.00     0.5   57    47           47    -10
8    Justfortheepenny     5    60.0    8    5.30     0.0   66    65           65    -1
9    National Dream       6    62.0    9    5.55     0.0   70    69           69    -1
10   Moon Harvest         2    57.5    10   11.15    0.0   61    60           60    -1
11   Drogarati            4    54.0    11   12.75    0.5   54    52           52    -2
99   Khanyisa Indlela     3    62.0    99   0.00     2.0   -     65           65    +0
99   Woodland Glade       2    57.5    99   0.00     0.0   -     60           60    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Imaginable 63 92 63 +29 2.0 -
2 Palermo 74 76 73 +3 0.5 -
3 Wave Warrior 63 68 61 +7 2.0 -
4 Silent Trigger Line 65 60 65 -5 0.0
5 Eventidor 70 89 67 +22 0.0 -
6 Devils And Dust 57 52 56 -4 0.0 -
7 Time Taker 57 55 47 +8 0.5 -
8 Justfortheepenny 66 65 65 ✓ Match 0.0 -
9 National Dream 70 68 69 -1 0.0 -
10 Moon Harvest 61 55 60 -5 0.0 -
11 Drogarati 54 52 52 ✓ Match 0.5 -
99 Khanyisa Indlela - 74 65 +9 2.0 -
99 Woodland Glade - 76 60 +16 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