Official NHA Assessment

Race 4: www.trackandball.co.za MR 66 HANDICAP (Open)

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Line Horse
Bayview Express
Reference for assessment
Exact Matches
2 / 8
Calculated = Official
Close Matches
3 / 8
Within 2 points
Significant Diffs
2 / 8
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    National Dream       6    60.5    1    0.00     0.0   67    62           67    +0
2    Bayview Express      5    60.0    2    1.60     0.0   66    66           66    +0
3    Safe Space           5    61.0    3    4.60     0.0   71    64           64    -7
4    Seattle Beat         4    57.5    4    8.00     0.5   61    55           55    -6
5    Ingakara             5    56.0    5    9.60     0.0   58    53           53    -5
6    Eye Catching         4    55.5    6    14.00    0.5   57    51           51    -6
99   Vengeance Forever    3    55.0    99   0.00     1.5   -     48           48    +0
99   Twice As Perfect     3    52.5    99   0.00     1.5   -     43           43    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 National Dream 67 68 67 +1 0.0 -
2 Bayview Express Line 66 62 66 -4 0.0
3 Safe Space 71 83 64 +19 0.0 -
4 Seattle Beat 61 55 55 ✓ Match 0.5 -
5 Ingakara 58 53 53 ✓ Match 0.0 -
6 Eye Catching 57 48 51 -3 0.5 -
99 Vengeance Forever - 51 48 +3 1.5 -
99 Twice As Perfect - 54 43 +11 1.5 -
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