Official NHA Assessment

Race 4: TAB TELEBET 0861 000 822 MAIDEN PLATE (For all Maidens)

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Line Horse
Alice May
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
11 / 11
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    Robert Burns         3    60.0    1    0.00     6.0   66    8            8     -58
2    Bowl First           3    59.0    2    1.25     6.0   -     10           10    +10
3    Silvano's Song       3    59.0    3    5.50     6.0   -     6            6     +6
4    Alice May            3    56.0    4    7.00     6.0   -     -            -     +0
5    Fiery Cliffs         3    56.0    5    10.50    6.0   -     -            -     +0
6    Pembroke             3    59.0    6    10.75    6.0   -     6            6     +6
7    Wolfram              3    59.0    7    11.50    6.0   43    6            33    -10
8    Big Dreamer          2    59.0    8    12.75    0.0   47    18           37    -10
9    Destinationunknown   3    57.5    9    99.99    6.0   -     3            3     +3
10   Carrisbrooke         3    60.0    10   99.99    6.0   -     8            8     +8
99   Wish For The Moon    3    59.0    99   0.00     6.0   -     6            6     +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Robert Burns 66 71 8 +63 6.0 -
2 Bowl First - 78 10 +68 6.0 -
3 Silvano's Song - 74 6 +68 6.0 -
4 Alice May Line - 60 - +60 6.0
5 Fiery Cliffs - 60 - +60 6.0 -
6 Pembroke - 79 6 +73 6.0 -
7 Wolfram 43 59 33 +26 6.0 -
8 Big Dreamer 47 52 37 +15 0.0 -
9 Destinationunknown - 46 3 +43 6.0 -
10 Carrisbrooke - - 8 -8 6.0 -
99 Wish For The Moon - - 6 -6 6.0 -
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