Official NHA Assessment

Race 4: KING PELLES OPEN MAIDEN (For all Maidens)

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Line Horse
King Celtillus
Reference for assessment
Exact Matches
1 / 11
Calculated = Official
Close Matches
5 / 11
Within 2 points
Significant Diffs
5 / 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    Zara's Winter        2    54.5    1    0.00     0.0   77    76           76    -1
2    King Celtillus       3    58.5    2    3.60     10.0  67    67           67    +0
3    Carnival Park        3    60.5    3    8.10     10.0  71    68           68    -3
4    Irish Anthem         3    56.5    4    10.80    10.0  63    60           60    -3
5    Dynasty's Last       5    53.0    5    14.30    0.0   49    73           73    +24
6    She's All Mine       3    51.5    6    15.80    10.0  -     50           50    +50
7    Parliament Square    3    54.0    7    16.50    10.0  50    55           55    +5
8    Call Me Harriet      2    55.0    8    16.80    0.0   65    77           77    +12
9    Manz Knight          6    56.0    9    18.10    0.0   65    79           79    +14
10   Muzzle Flash         3    53.5    10   18.25    10.0  57    54           54    -3
11   Seattle Rain         3    53.0    11   23.15    10.0  55    53           53    -2
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Zara's Winter 77 84 76 +8 0.0 -
2 King Celtillus Line 67 70 67 +3 10.0
3 Carnival Park 71 66 68 -2 10.0 -
4 Irish Anthem 63 60 60 ✓ Match 10.0 -
5 Dynasty's Last 49 61 73 -12 0.0 -
6 She's All Mine - 79 50 +29 10.0 -
7 Parliament Square 50 53 55 -2 10.0 -
8 Call Me Harriet 65 63 77 -14 0.0 -
9 Manz Knight 65 60 79 -19 0.0 -
10 Muzzle Flash 57 55 54 +1 10.0 -
11 Seattle Rain 55 55 53 +2 10.0 -
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