Official NHA Assessment

Race 1: #THISISRACING WELCOMES YOU MAIDEN PLATE (For all Maidens)

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Line Horse
Pendragon
Reference for assessment
Exact Matches
0 / 11
Calculated = Official
Close Matches
0 / 11
Within 2 points
Significant Diffs
8 / 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    Mythical Dream       5    55.5    1    0.00     0.0   -     63           6     +6
2    Black Egret          3    58.0    2    1.00     9.5   -     49           49    +49
3    Wind Water           3    58.0    3    1.70     9.5   -     49           49    +49
4    Pendragon            5    58.0    4    3.10     0.0   68    68           68    +0
5    Walker Bay           3    60.0    5    4.50     9.5   50    53           53    +3
6    Circus Lights        5    58.0    6    5.50     0.0   -     68           68    +68
7    Smelting             7    57.5    7    6.60     0.0   50    67           67    +17
8    Stella Brillante     2    58.0    8    6.85     6.5   72    55           62    -10
9    United We Stand      3    55.5    9    8.25     9.5   -     44           44    +44
99   Joyous Jubilee (AUS  2    58.0    99   0.00     6.5   -     55           55    +0
99   Pontiac              3    58.0    99   0.00     9.5   -     49           49    +0
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Horse-by-Horse Comparison

Pos Horse Pre-Rating Official New Calculated Discrepancy WFA (kg) Line Horse Calculation
1 Mythical Dream - 88 6 +82 0.0 -
2 Black Egret - 90 49 +41 9.5 -
3 Wind Water - 89 49 +40 9.5 -
4 Pendragon Line 68 73 68 +5 0.0
5 Walker Bay 50 59 53 +6 9.5 -
6 Circus Lights - 64 68 -4 0.0 -
7 Smelting 50 52 67 -15 0.0 -
8 Stella Brillante 72 57 62 -5 6.5 -
9 United We Stand - 50 44 +6 9.5 -
99 Joyous Jubilee (AUS) - 61 55 +6 6.5 -
99 Pontiac - 79 49 +30 9.5 -
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