Official NHA Assessment

Race 6: TOYCO ENGINEERING FM 92 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Sabatini
Reference for assessment
Exact Matches
1 / 9
Calculated = Official
Close Matches
5 / 9
Within 2 points
Significant Diffs
3 / 9
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    Amarandi             3    54.5    1    0.00     3.5   81    84           81    +0
2    Sting Ray            3    52.0    2    2.50     3.5   74    79           79    +5
3    Sabatini             2    56.0    3    2.60     2.5   89    89           89    +0
4    Calulo               4    56.5    4    3.90     4.0   88    87           87    -1
5    Russian Doll         2    55.5    5    4.80     2.5   88    88           88    +0
6    Sweet Symphony       3    54.5    6    6.40     3.5   81    84           84    +3
7    Addiena              3    54.0    7    6.60     3.5   83    83           83    +0
99   Naarah               3    60.5    99   0.00     3.5   -     96           96    +0
99   Get In The Q         5    53.5    99   0.00     0.0   -     89           89    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Amarandi 81 91 81 +10 3.5 -
2 Sting Ray 74 73 79 -6 3.5 -
3 Sabatini Line 89 91 89 +2 2.5
4 Calulo 88 88 87 +1 4.0 -
5 Russian Doll 88 93 88 +5 2.5 -
6 Sweet Symphony 81 86 84 +2 3.5 -
7 Addiena 83 83 83 ✓ Match 3.5 -
99 Naarah - 87 96 -9 3.5 -
99 Get In The Q - 88 89 -1 0.0 -
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