Official NHA Assessment

Race 5: RACEHORSE OWNERS ASSOCIATION FM 80 HANDICAP (F & M) (For Fillies and Mares)

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Line Horse
Pretty In Pearls
Reference for assessment
Exact Matches
0 / 9
Calculated = Official
Close Matches
3 / 9
Within 2 points
Significant Diffs
4 / 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    Mount Etna           4    52.5    1    0.00     3.5   75    67           75    +0
2    Pretty In Pearls     3    55.5    2    2.25     7.0   71    71           71    +0
3    Avoontoast           5    58.0    3    5.75     0.0   77    85           85    +8
4    Be Real              2    52.0    4    9.25     0.0   78    73           73    -5
5    Ideal Future         6    54.5    5    12.50    0.0   68    78           78    +10
6    Kind Judy            4    58.0    6    15.00    3.5   76    78           78    +2
7    Soldier's Eye        4    60.0    7    19.00    3.5   97    82           87    -10
8    Midnight Crystal     2    55.0    8    20.00    0.0   74    79           79    +5
9    Burmese Tiara        4    52.0    9    40.00    3.5   64    66           66    +2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mount Etna 75 79 75 +4 3.5 -
2 Pretty In Pearls Line 71 56 71 -15 7.0
3 Avoontoast 77 86 85 +1 0.0 -
4 Be Real 78 71 73 -2 0.0 -
5 Ideal Future 68 72 78 -6 0.0 -
6 Kind Judy 76 73 78 -5 3.5 -
7 Soldier's Eye 97 94 87 +7 3.5 -
8 Midnight Crystal 74 66 79 -13 0.0 -
9 Burmese Tiara 64 68 66 +2 3.5 -
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