Official NHA Assessment

Race 1: DOWNLOAD THE RACE CARD ONLINE www.goldcircle.co.za MAIDEN PLATE (F & M) (For Maiden Fillies & Mares)

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Line Horse
Regina Bellissima
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
1 / 9
Within 2 points
Significant Diffs
7 / 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    Kian's Pride         2    58.0    1    0.00     6.5   79    60           60    -19
2    Le Premiere          4    58.0    2    1.50     11.0  -     51           51    +51
3    Vision To Achieve    4    58.0    3    1.80     11.0  80    51           70    -10
4    Regina Bellissima    2    60.0    4    3.30     6.5   64    64           64    +0
5    Arverni Princess     2    58.0    5    3.60     6.5   78    60           68    -10
6    Yougogirl            3    54.0    6    4.80     9.5   -     46           46    +46
7    Ladies Day           3    56.0    7    5.30     9.5   58    50           50    -8
8    Secret Winx          2    58.0    8    7.40     6.5   69    60           60    -9
9    Jane's Vision        2    56.5    9    8.45     6.5   78    57           68    -10
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Kian's Pride 79 81 60 +21 6.5 -
2 Le Premiere - 84 51 +33 11.0 -
3 Vision To Achieve 80 87 70 +17 11.0 -
4 Regina Bellissima Line 64 58 64 -6 6.5
5 Arverni Princess 78 67 68 -1 6.5 -
6 Yougogirl - 62 46 +16 9.5 -
7 Ladies Day 58 56 50 +6 9.5 -
8 Secret Winx 69 69 60 +9 6.5 -
9 Jane's Vision 78 65 68 -3 6.5 -
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