Official NHA Assessment

Race 6: WILGERBOSDRIFT GAUTENG FILLIES GUINEAS (Grade 2) (3yo Fillies (1st Leg Wilgerbosdrift SA Triple Tiara))

Back to Race
Line Horse
Perfect Witness
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
7 / 11
More than 5 points
Detailed Assessment
------------------------------------------------------------------------------------------------------------------------
Pos  Horse                Age  Weight  Fin  Lengths  WFA   Pre   Race Rating  New   Adj  
------------------------------------------------------------------------------------------------------------------------
1    Rain In Holland      3    60.0    1    0.00     4.0   109   103          103   -6
2    Sprinkles            3    60.0    2    2.50     4.0   107   105          105   -2
3    Desert Miracle       3    60.0    3    2.55     4.0   117   105          107   -10
4    Supreme Quest        3    60.0    4    3.00     4.0   102   105          105   +3
5    Clafoutis            3    60.0    5    4.25     4.0   103   104          104   +1
6    Eternity Ring        3    60.0    6    6.00     4.0   105   103          103   -2
7    Perfect Witness      3    60.0    7    6.05     4.0   103   103          103   +0
8    Bold Act             3    60.0    8    10.50    4.0   105   103          103   -2
9    Follow Me            3    60.0    9    13.50    4.0   102   103          103   +1
10   Maryah               3    60.0    10   22.50    4.0   102   103          103   +1
99   Hollywoodbound       3    60.0    99   0.00     4.0   -     103          103   +0
------------------------------------------------------------------------------------------------------------------------

Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rain In Holland 109 120 103 +17 4.0 -
2 Sprinkles 107 105 105 ✓ Match 4.0 -
3 Desert Miracle 117 124 107 +17 4.0 -
4 Supreme Quest 102 92 105 -13 4.0 -
5 Clafoutis 103 96 104 -8 4.0 -
6 Eternity Ring 105 80 103 -23 4.0 -
7 Perfect Witness Line 103 105 103 +2 4.0
8 Bold Act 105 77 103 -26 4.0 -
9 Follow Me 102 94 103 -9 4.0 -
10 Maryah 102 100 103 -3 4.0 -
99 Hollywoodbound - 101 103 -2 4.0 -
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