Official NHA Assessment

Race 6: Call now! Or play online. www.trackandball.co.za MR 69 HANDICAP (Open)

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Line Horse
Valiente
Reference for assessment
Exact Matches
1 / 10
Calculated = Official
Close Matches
3 / 10
Within 2 points
Significant Diffs
4 / 10
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    Iron Bark            3    59.5    1    0.00     9.5   68    54           68    +0
2    Hampton Court        7    60.0    2    0.60     0.0   69    74           74    +5
3    Valiente             5    54.0    3    0.85     0.0   62    62           62    +0
4    Blue Eyes            4    57.0    4    2.55     11.0  63    46           53    -10
4    Trafalgar Square     6    57.5    4    2.55     0.0   64    69           69    +5
6    Northern Warrior     7    60.5    6    3.05     0.0   70    75           75    +5
7    Philispiel           7    54.0    7    3.75     0.0   65    62           62    -3
8    Bless Me Fred        6    53.5    8    4.00     0.0   56    61           61    +5
9    Phinda Mzala         4    58.0    9    6.50     11.0  68    48           58    -10
99   Guy Fox              4    48.0    99   0.00     11.0  -     28           28    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Iron Bark 68 96 68 +28 9.5 -
2 Hampton Court 69 70 74 -4 0.0 -
3 Valiente Line 62 75 62 +13 0.0
4 Blue Eyes 63 56 53 +3 11.0 -
4 Trafalgar Square 64 69 69 ✓ Match 0.0 -
6 Northern Warrior 70 73 75 -2 0.0 -
7 Philispiel 65 70 62 +8 0.0 -
8 Bless Me Fred 56 62 61 +1 0.0 -
9 Phinda Mzala 68 54 58 -4 11.0 -
99 Guy Fox - 49 28 +21 11.0 -
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