Official NHA Assessment

Race 2: RACEHORSE OWNERS ASSOCIATION MAIDEN PLATE (F & M) (For Maiden F & M. R15 000 Win bonus ROA Members)

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Line Horse
Gotcha Buzz
Reference for assessment
Exact Matches
0 / 8
Calculated = Official
Close Matches
1 / 8
Within 2 points
Significant Diffs
4 / 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    Blueberry Blue       2    57.0    1    0.00     0.5   -     56           6     +6
2    Tune Again           6    60.0    2    1.25     0.0   49    63           63    +14
3    Gotcha Buzz          2    60.0    3    1.30     0.5   62    62           62    +0
4    Best Intentions      2    60.0    4    2.55     0.5   63    62           62    -1
5    Elusive Hunter       4    60.0    5    3.80     2.0   46    59           59    +13
6    Bella Attrice        2    60.0    6    5.05     0.5   62    62           62    +0
7    Natural Wonder       3    55.5    7    5.80     1.5   -     51           51    +51
8    Karoo Bokkie         2    57.0    8    8.05     0.5   -     56           56    +56
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Blueberry Blue - 75 6 +69 0.5 -
2 Tune Again 49 50 63 -13 0.0 -
3 Gotcha Buzz Line 62 61 62 -1 0.5
4 Best Intentions 63 67 62 +5 0.5 -
5 Elusive Hunter 46 50 59 -9 2.0 -
6 Bella Attrice 62 66 62 +4 0.5 -
7 Natural Wonder - 55 51 +4 1.5 -
8 Karoo Bokkie - 68 56 +12 0.5 -
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