Official NHA Assessment

Race 5: www.galloptv.co.za MR 66 HANDICAP (Open)

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Line Horse
Trafalgar Square
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
4 / 9
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    Shot Of Courage      3    55.0    1    0.00     1.5   64    53           64    +0
2    Impartial            4    52.5    2    1.20     2.0   51    47           47    -4
3    Trafalgar Square     6    60.0    3    1.60     0.0   66    66           66    +0
4    What A Tiger         5    60.0    4    3.00     0.0   67    66           66    -1
5    Magwinya             2    59.0    5    3.25     0.5   65    63           63    -2
6    Royal Oasis          3    58.0    6    4.45     1.5   62    59           59    -3
7    HereInAfter          4    57.0    7    4.95     2.0   68    56           58    -10
8    Will O Me            2    55.0    8    9.85     0.5   57    55           55    -2
99   Majorca Palace       4    58.0    99   0.00     2.0   -     58           58    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Shot Of Courage 64 73 64 +9 1.5 -
2 Impartial 51 50 47 +3 2.0 -
3 Trafalgar Square Line 66 69 66 +3 0.0
4 What A Tiger 67 71 66 +5 0.0 -
5 Magwinya 65 50 63 -13 0.5 -
6 Royal Oasis 62 61 59 +2 1.5 -
7 HereInAfter 68 72 58 +14 2.0 -
8 Will O Me 57 50 55 -5 0.5 -
99 Majorca Palace - 51 58 -7 2.0 -
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