Official NHA Assessment

Race 3: TAB TELEBET 0861 000 822 MR 99 OPEN HANDICAP (3 year olds) (3 year olds)

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Line Horse
Palace Prince
Reference for assessment
Exact Matches
2 / 6
Calculated = Official
Close Matches
4 / 6
Within 2 points
Significant Diffs
2 / 6
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    Speedman             3    57.5    1    0.00     3.5   94    92           94    +0
2    Palace Prince        2    62.5    2    5.75     2.5   104   104          104   +0
3    Stoneywood           3    54.5    3    8.75     3.5   88    86           86    -2
4    Blushing Bloom       2    49.0    4    13.15    2.5   84    77           77    -7
5    Titan Of The Turf    2    61.5    5    24.25    2.5   102   102          102   +0
99   Whispering Death     2    60.0    99   0.00     2.5   -     99           99    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Speedman 94 102 94 +8 3.5 -
2 Palace Prince Line 104 103 104 -1 2.5
3 Stoneywood 88 88 86 +2 3.5 -
4 Blushing Bloom 84 83 77 +6 2.5 -
5 Titan Of The Turf 102 102 102 ✓ Match 2.5 -
99 Whispering Death - 99 99 ✓ Match 2.5 -
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