Official NHA Assessment

Race 6: WWW.TAB.CO.ZA PINNACLE STAKES (Open)

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Line Horse
Truth
Reference for assessment
Exact Matches
1 / 14
Calculated = Official
Close Matches
2 / 14
Within 2 points
Significant Diffs
7 / 14
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    Musical Score        3    52.0    1    0.00     1.5   108   102          102   -6
2    Fire 'N Flames       4    54.5    2    0.70     0.5   106   114          114   +8
3    Truth                2    56.0    3    1.30     0.0   116   116          116   +0
4    White Pearl          4    56.0    4    1.70     0.5   114   115          115   +1
5    Radicchio            5    52.0    5    2.50     0.0   103   107          107   +4
6    Purple Pitcher       4    62.0    6    2.70     0.5   123   126          126   +3
7    Natyam               5    52.0    7    4.45     0.0   102   105          105   +3
8    Gimmeanotherchance   4    54.0    8    4.55     0.5   108   108          108   +0
9    Hat Trick Or Treat   2    50.0    9    5.55     0.0   86    101          101   +15
10   Atticus Finch        5    60.0    10   6.05     0.0   121   121          121   +0
11   Savannah Storm       5    52.0    11   6.35     0.0   105   105          105   +0
12   Legend Of Arthur     3    56.0    12   6.95     1.5   117   110          110   -7
99   Main Defender        4    62.0    99   0.00     0.5   -     124          124   +0
99   Street Art           3    50.0    99   0.00     1.5   -     98           98    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Musical Score 108 107 102 +5 1.5 -
2 Fire 'N Flames 106 103 114 -11 0.5 -
3 Truth Line 116 120 116 +4 0.0
4 White Pearl 114 114 115 -1 0.5 -
5 Radicchio 103 100 107 -7 0.0 -
6 Purple Pitcher 123 121 126 -5 0.5 -
7 Natyam 102 102 105 -3 0.0 -
8 Gimmeanotherchance 108 96 108 -12 0.5 -
9 Hat Trick Or Treat 86 76 101 -25 0.0 -
10 Atticus Finch 121 127 121 +6 0.0 -
11 Savannah Storm 105 102 105 -3 0.0 -
12 Legend Of Arthur 117 110 110 ✓ Match 1.5 -
99 Main Defender - 130 124 +6 0.5 -
99 Street Art - 78 98 -20 1.5 -
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