Official NHA Assessment

Race 3: HEAR THE DRUMS BAR AND TOTE OPENS EVERY SATURDAY FOR FEB OPEN MAIDEN (For Maidens)

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Line Horse
Atlantic Pearl
Reference for assessment
Exact Matches
1 / 12
Calculated = Official
Close Matches
3 / 12
Within 2 points
Significant Diffs
7 / 12
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    Iconic Winter        2    52.5    1    0.00     3.0   66    63           63    -3
2    Atlantic Pearl       2    54.5    2    3.25     3.0   67    67           67    +0
3    Star Trooper         3    53.0    3    5.25     4.5   53    61           61    +8
4    Laudium              3    54.0    4    5.50     4.5   61    63           63    +2
5    Timeline             3    55.0    5    7.25     4.5   62    65           65    +3
6    Elusive Bomba        3    52.0    6    7.75     4.5   55    59           59    +4
7    Endizayo             3    54.5    7    8.00     4.5   60    64           64    +4
8    Mme Huntress         3    59.0    8    9.00     4.5   77    73           73    -4
9    Indestructable       3    61.0    9    10.75    4.5   -     77           77    +77
10   In Process           3    59.0    10   12.00    4.5   -     73           73    +73
11   Five Star Magic      4    54.0    11   17.25    5.0   61    62           62    +1
12   Time For Dancing     3    56.5    12   20.25    4.5   -     68           68    +68
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Iconic Winter 66 68 63 +5 3.0 -
2 Atlantic Pearl Line 67 72 67 +5 3.0
3 Star Trooper 53 51 61 -10 4.5 -
4 Laudium 61 62 63 -1 4.5 -
5 Timeline 62 53 65 -12 4.5 -
6 Elusive Bomba 55 59 59 ✓ Match 4.5 -
7 Endizayo 60 56 64 -8 4.5 -
8 Mme Huntress 77 61 73 -12 4.5 -
9 Indestructable - - 77 -77 4.5 -
10 In Process - - 73 -73 4.5 -
11 Five Star Magic 61 61 62 -1 5.0 -
12 Time For Dancing - - 68 -68 4.5 -
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