Official NHA Assessment

Race 2: CELEBRATING CENTURION MEMBER GREG BLANK'S BIRTHDAY OPEN MAIDEN (F & M) (For all Fillies & Mares)

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Line Horse
Pocket Dial
Reference for assessment
Exact Matches
1 / 16
Calculated = Official
Close Matches
2 / 16
Within 2 points
Significant Diffs
13 / 16
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    My Only Weakness     3    58.0    1    0.00     8.0   78    73           73    -5
2    White Waters         2    54.0    2    0.10     0.0   73    81           81    +8
3    Pocket Dial          3    56.5    3    0.50     8.0   75    75           75    +0
4    Wedding Bells        2    55.5    4    2.25     0.0   58    87           87    +29
5    Little Lexi          3    54.0    5    2.55     8.0   55    67           67    +12
6    Blind Faith          4    54.0    6    3.80     5.0   52    72           72    +20
7    Analytic             2    61.0    7    5.05     0.0   69    95           95    +26
8    December Dawn        2    52.5    8    5.25     0.0   65    78           78    +13
9    Timeline             3    56.5    9    5.30     8.0   75    70           70    -5
10   Time In Paris        4    61.5    10   6.30     5.0   70    86           86    +16
11   Midwicket            3    57.5    11   8.05     8.0   -     72           72    +72
12   Di Rosa              4    54.5    12   8.45     5.0   56    72           72    +16
13   Expedition South     2    54.5    13   13.20    0.0   70    82           82    +12
99   Breakfast Run        2    52.5    99   0.00     0.0   -     78           78    +0
99   Sheets And Goggles   3    59.0    99   0.00     8.0   -     75           75    +0
99   Golden Ideal         3    57.5    99   0.00     8.0   -     72           72    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 My Only Weakness 78 84 73 +11 8.0 -
2 White Waters 73 73 81 -8 0.0 -
3 Pocket Dial Line 75 76 75 +1 8.0
4 Wedding Bells 58 52 87 -35 0.0 -
5 Little Lexi 55 59 67 -8 8.0 -
6 Blind Faith 52 52 72 -20 5.0 -
7 Analytic 69 54 95 -41 0.0 -
8 December Dawn 65 78 78 ✓ Match 0.0 -
9 Timeline 75 53 70 -17 8.0 -
10 Time In Paris 70 61 86 -25 5.0 -
11 Midwicket - 67 72 -5 8.0 -
12 Di Rosa 56 54 72 -18 5.0 -
13 Expedition South 70 61 82 -21 0.0 -
99 Breakfast Run - 48 78 -30 0.0 -
99 Sheets And Goggles - 63 75 -12 8.0 -
99 Golden Ideal - 56 72 -16 8.0 -
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