Official NHA Assessment

Race 8: RACING240 FOR RACING. FOR YOU MIDDLE STAKES (For horses with nett rating of 101 and below)

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Line Horse
Tizona
Reference for assessment
Exact Matches
0 / 10
Calculated = Official
Close Matches
3 / 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    Scallywag            2    58.0    1    0.00     0.0   91    96           96    +5
2    Silent War           3    62.0    2    1.00     3.0   99    102          102   +3
3    Fostinovo            3    54.0    3    5.25     3.0   85    82           82    -3
4    Tizona               3    56.0    4    6.25     3.0   86    86           86    +0
5    Player               3    54.0    5    7.50     3.0   82    82           82    +0
6    Tirpitz              6    56.0    6    8.00     0.0   88    92           92    +4
7    Zuzan                3    58.0    7    8.50     3.0   101   90           91    -10
8    Total Surrender      5    54.0    8    10.50    0.0   85    88           88    +3
9    Tulip Tree           2    60.0    9    11.25    0.0   99    100          100   +1
10   Another Level        3    60.0    10   11.50    3.0   97    94           94    -3
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Scallywag 91 97 96 +1 0.0 -
2 Silent War 99 91 102 -11 3.0 -
3 Fostinovo 85 80 82 -2 3.0 -
4 Tizona Line 86 83 86 -3 3.0
5 Player 82 84 82 +2 3.0 -
6 Tirpitz 88 82 92 -10 0.0 -
7 Zuzan 101 98 91 +7 3.0 -
8 Total Surrender 85 74 88 -14 0.0 -
9 Tulip Tree 99 96 100 -4 0.0 -
10 Another Level 97 86 94 -8 3.0 -
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