Official NHA Assessment

Race 7: TAB TELEBET 0861 000 822 MR 96 HANDICAP (Open)

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Line Horse
Naval Secret
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
4 / 11
Within 2 points
Significant Diffs
4 / 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    Captain Morisco      4    57.0    1    0.00     1.5   90    87           90    +0
2    Acorn                2    52.0    2    0.25     0.0   81    80           80    -1
3    Naval Secret         4    58.0    3    1.50     1.5   92    92           92    +0
4    Greenlighttoheaven   4    59.5    4    1.75     1.5   95    95           95    +0
5    Bold Resolve         4    60.0    5    2.50     1.5   96    95           95    -1
6    Vista Nova           4    55.0    6    3.50     1.5   86    84           84    -2
7    Sand Bank            2    53.0    7    4.25     0.0   88    83           83    -5
8    Captain Oupie        4    60.0    8    5.00     1.5   96    93           93    -3
9    Tarantino            4    60.0    9    7.75     1.5   96    93           93    -3
10   What A Winner        10   60.5    10   7.85     0.0   97    97           97    +0
99   Spring High          4    54.0    99   0.00     1.5   -     81           81    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Captain Morisco 90 92 90 +2 1.5 -
2 Acorn 81 89 80 +9 0.0 -
3 Naval Secret Line 92 91 92 -1 1.5
4 Greenlighttoheaven 95 83 95 -12 1.5 -
5 Bold Resolve 96 91 95 -4 1.5 -
6 Vista Nova 86 81 84 -3 1.5 -
7 Sand Bank 88 63 83 -20 0.0 -
8 Captain Oupie 96 94 93 +1 1.5 -
9 Tarantino 96 96 93 +3 1.5 -
10 What A Winner 97 75 97 -22 0.0 -
99 Spring High - 79 81 -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