Official NHA Assessment

Race 4: www.caperacing.co.za MIDDLE STAKES (For horses with nett rating of 85 and below)

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Line Horse
High Moon
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
2 / 8
Within 2 points
Significant Diffs
5 / 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    Rex Union            4    58.0    1    0.00     2.0   74    73           73    -1
2    Exceeder             4    58.0    2    2.00     2.0   75    77           77    +2
3    Sunday Island (AUS)  3    58.0    3    2.75     5.0   86    70           76    -10
4    Fly Over             4    56.0    4    2.95     2.0   73    72           72    -1
5    High Moon            4    56.0    5    4.20     2.0   71    71           71    +0
6    Bel Punto            4    52.5    6    6.45     2.0   62    62           62    +0
7    Impact               3    52.0    7    99.99    5.0   65    55           55    -10
99   Warrior Bling        5    60.5    99   0.00     0.0   -     82           82    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Rex Union 74 97 73 +24 2.0 -
2 Exceeder 75 59 77 -18 2.0 -
3 Sunday Island (AUS) 86 86 76 +10 5.0 -
4 Fly Over 73 71 72 -1 2.0 -
5 High Moon Line 71 71 71 ✓ Match 2.0
6 Bel Punto 62 56 62 -6 2.0 -
7 Impact 65 65 55 +10 5.0 -
99 Warrior Bling - 87 82 +5 0.0 -
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