Official NHA Assessment

Race 4: WSB RACING AT ITS BEST PINNACLE STAKES (F & M) (For Fillies and Mares)

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Line Horse
Fly My Flag
Reference for assessment
Exact Matches
0 / 13
Calculated = Official
Close Matches
4 / 13
Within 2 points
Significant Diffs
7 / 13
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    Santa Therese        4    62.0    1    0.00     0.5   106   102          102   -4
2    Fly My Flag          4    61.0    2    0.25     0.5   100   100          100   +0
3    Princess Kalisi      5    59.5    3    0.30     0.0   93    103          103   +10
4    Phoenix              4    58.0    4    1.30     0.5   86    97           97    +11
5    Afternoon Tea        4    55.0    5    1.80     0.5   85    91           91    +6
6    Europeana            3    58.0    6    1.90     1.5   92    95           95    +3
7    Major Attraction     4    62.0    7    1.95     0.5   103   105          105   +2
8    Step Lively          5    59.5    8    2.20     0.0   95    101          101   +6
9    Kiss Of Life         4    58.0    9    3.45     0.5   89    95           95    +6
10   Irish Willow         4    55.0    10   4.70     0.5   83    88           88    +5
11   Zambaq               3    58.0    11   6.45     1.5   90    92           92    +2
12   Pot Sox              3    59.5    12   99.99    1.5   95    95           95    +0
13   Maryah               3    61.0    13   99.99    1.5   100   98           98    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Santa Therese 106 103 102 +1 0.5 -
2 Fly My Flag Line 100 98 100 -2 0.5
3 Princess Kalisi 93 86 103 -17 0.0 -
4 Phoenix 86 78 97 -19 0.5 -
5 Afternoon Tea 85 72 91 -19 0.5 -
6 Europeana 92 92 95 -3 1.5 -
7 Major Attraction 103 103 105 -2 0.5 -
8 Step Lively 95 94 101 -7 0.0 -
9 Kiss Of Life 89 84 95 -11 0.5 -
10 Irish Willow 83 80 88 -8 0.5 -
11 Zambaq 90 81 92 -11 1.5 -
12 Pot Sox 95 92 95 -3 1.5 -
13 Maryah 100 100 98 +2 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