Official NHA Assessment

Race 3: WSB SpinaWina MR 98 DIVIDED HANDICAP (Open)

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Line Horse
Tarantino
Reference for assessment
Exact Matches
1 / 8
Calculated = Official
Close Matches
2 / 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    Pure Maverick        2    53.5    1    0.00     0.0   89    84           89    +0
2    Teatro               5    52.0    2    0.10     0.0   86    81           81    -5
3    Safe Return          3    61.5    3    0.85     1.5   101   101          101   +0
4    Tarantino            4    59.0    4    2.60     0.5   96    96           96    +0
5    Paris Rix            3    55.5    5    5.35     1.5   89    85           85    -4
6    Slings And Arrows    3    55.0    6    5.60     1.5   88    84           84    -4
7    Ferrari Ice          4    59.5    7    10.10    0.5   102   95           95    -7
8    Mhlabeni             7    57.5    8    26.35    0.0   93    92           92    -1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Pure Maverick 89 94 89 +5 0.0 -
2 Teatro 86 91 81 +10 0.0 -
3 Safe Return 101 83 101 -18 1.5 -
4 Tarantino Line 96 96 96 ✓ Match 0.5
5 Paris Rix 89 81 85 -4 1.5 -
6 Slings And Arrows 88 92 84 +8 1.5 -
7 Ferrari Ice 102 102 95 +7 0.5 -
8 Mhlabeni 93 90 92 -2 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