Official NHA Assessment

Race 4: TAB TELEBET 0861 000 822 MR 96 HANDICAP (Open)

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Line Horse
European Summer
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
2 / 10
Within 2 points
Significant Diffs
5 / 10
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    Slim Jannie          2    54.5    1    0.00     0.5   84    87           84    +0
2    Teatro               5    56.5    2    0.25     0.0   90    92           92    +2
3    European Summer      3    55.5    3    4.00     1.5   87    87           87    +0
4    Spring Awakening     4    58.5    4    5.50     2.0   93    92           92    -1
5    Giacomo Puccini      4    52.5    5    9.00     2.0   81    80           80    -1
6    Stranger Danger      4    62.0    6    9.25     2.0   100   99           99    -1
7    What A Winner        10   60.0    7    12.75    0.0   96    99           99    +3
8    Area Fifty One       3    52.5    8    15.50    1.5   78    81           81    +3
9    Ledell's Echo        2    57.5    9    15.75    0.5   92    93           93    +1
10   Tipsy Tina           2    58.0    10   20.00    0.5   93    94           94    +1
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Slim Jannie 84 95 84 +11 0.5 -
2 Teatro 90 91 92 -1 0.0 -
3 European Summer Line 87 77 87 -10 1.5
4 Spring Awakening 93 91 92 -1 2.0 -
5 Giacomo Puccini 81 72 80 -8 2.0 -
6 Stranger Danger 100 93 99 -6 2.0 -
7 What A Winner 96 75 99 -24 0.0 -
8 Area Fifty One 78 78 81 -3 1.5 -
9 Ledell's Echo 92 88 93 -5 0.5 -
10 Tipsy Tina 93 91 94 -3 0.5 -
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