Official NHA Assessment

Race 7: TAB 4RACING APP PINNACLE STAKES (F & M) (For Fillies and Mares)

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Line Horse
Santa Therese
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
3 / 11
Within 2 points
Significant Diffs
8 / 11
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   103   103          103   +0
2    Belle Of Belize      4    61.0    2    0.75     0.5   96    105          105   +9
3    And We Danced        3    62.0    3    1.25     1.5   103   105          105   +2
4    Chroniclesofnania    5    53.5    4    2.50     0.0   78    89           89    +11
5    Eternity Ring        3    55.0    5    3.50     1.5   80    88           88    +8
6    Hazy Crazy Night     2    56.5    6    5.25     0.0   86    93           93    +7
7    Heartsease           3    55.0    7    6.00     1.5   78    87           87    +9
8    Wishful Girl Linn    5    58.0    8    6.10     0.0   88    96           96    +8
9    Twice To Heaven      3    56.5    9    6.35     1.5   85    90           90    +5
99   Willow Lane          4    53.5    99   0.00     0.5   -     86           86    +0
99   Monashada            3    59.5    99   0.00     1.5   -     96           96    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Santa Therese Line 103 103 103 ✓ Match 0.5
2 Belle Of Belize 96 96 105 -9 0.5 -
3 And We Danced 103 103 105 -2 1.5 -
4 Chroniclesofnania 78 60 89 -29 0.0 -
5 Eternity Ring 80 80 88 -8 1.5 -
6 Hazy Crazy Night 86 79 93 -14 0.0 -
7 Heartsease 78 73 87 -14 1.5 -
8 Wishful Girl Linn 88 85 96 -11 0.0 -
9 Twice To Heaven 85 72 90 -18 1.5 -
99 Willow Lane - 66 86 -20 0.5 -
99 Monashada - 94 96 -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